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AI News for 9/17/2025-9/18/2025. We checked 12 subreddits, 544 Twitters and 23 Discords (192 channels, and 5933 messages) for you. Estimated reading time saved (at 200wpm): 458 minutes. Our new website is now up with full metadata search and beautiful vibe coded presentation of all past issues. See https://news.smol.ai/ for the full news breakdowns and give us feedback on @smol_ai!

We are taking this chance to roll up a number of headlines with Softbank and USA, but the big news today is the NVIDIA partnership. The Tom's Hardware headline perhaps breaks it best: "In a surprise announcement that finds two long-time rivals working together, Nvidia and Intel announced today that the companies will jointly develop multiple new generations of x86 products together — a seismic shift with profound implications for the entire world of technology."

In their conference call, both CEOs said they had been working on this collaboration for a year. The plans seem a little more mapped out for the consumer collaboration than the data center ones, and NVIDIA says it is committed to its own Grace and Vera CPU roadmap as well. But the news creates big hopes for the Intel Foundry business, and certain hedge fund managers are very happy today. More in the Reddit recaps below:

AI Twitter Recap

Meta’s neural band + Ray‑Ban Display launch: live demo hiccups, engine bets, and capture tech

Live demo realities, but big platform swing: Meta’s on‑stage neural band/Ray‑Ban Display demo visibly failed for ~1 minute, prompting both sympathy and useful discourse on shipping hard tech live. See reactions from @nearcyan and “feel bad for the Meta OS team” follow‑up. Others argued failed live demos > staged videos (cloneofsimo, @mrdbourke) with a must‑read account of Google’s 2023 live demo prep stress by @raizamrtn. Early hands‑on: “bracelet is ON” @nearcyan, silent text input demo @iScienceLuvr, “what do you think people will do with this?” @nearcyan, and “very cool regardless of failures” @aidangomez. Integration/ops open questions: third‑party software “not supported” and likely hard to root (@nearcyan); “will buy if easy to integrate” (@nearcyan).
Engine and capture: Meta is reportedly moving off Unity to a first‑party “Horizon Engine” to vertically integrate with AI rendering (e.g., gaussian splatting) per @nearcyan. Meanwhile, Quest‑native Gaussian Splatting capture shipped: Hyperscape Capture lets you scan “hyperscapes” in ~5 minutes (@JonathonLuiten; first impressions from @TomLikesRobots). Also clever UX notes like off‑camera gesture capture (@nearcyan).

New models: compact VLMs, reasoning video, doc VLMs, and open video editing

Mistral’s Magistral 1.2 (Small/Medium): Now multimodal with a vision encoder, +15% on AIME24/25 and LiveCodeBench v5/v6, better tool use, tone, and formatting. Medium remains local‑friendly post‑quantization (fits on a 32GB MacBook or single 4090 for Small 24B). Announcement: @MistralAI; quick anycoder demos by @_akhaliq.
Moondream 3 (preview): A 9B‑param, 2B‑active MoE VLM focused on efficient, deployable SOTA visual reasoning (@vikhyatk; note the “frontier model” banter: 1, 2).
IBM Granite‑Docling‑258M (Apache 2.0): 258M doc VLM for layout‑faithful PDF→HTML/Markdown with equations, tables, code blocks; English with experimental zh/ja/ar. Architecture: siglip2‑base‑p16‑512 vision encoder + Granite 165M LM via IDEFICS3‑style pixel‑shuffle projector; integrated with the Docling toolchain/CLI (@rohanpaul_ai).
ByteDance SAIL‑VL2: Vision‑language foundation model reported to be SOTA at 2B & 8B scales for multimodal understanding and reasoning (@HuggingPapers).
Reasoning video and open video editing: Luma’s Ray3 claims the first “reasoning video model,” with studio‑grade HDR and a Draft Mode for rapid iteration, now in Dream Machine (@LumaLabsAI). DecartAI open‑sourced Lucy Edit, a foundation model for text‑guided video editing (HF + FAL + ComfyUI) and it was integrated into anycoder within an hour (announcement, rapid integration).

Competitions, coding, and evaluations

ICPC world finals: OpenAI solved 12/12 problems (@sama), while Google DeepMind solved 10/12 (behind only OpenAI and one human team) (summary). Reflections include an “agent–arbitrator–user” interaction pattern to reduce human verification burden (@ZeyuanAllenZhu). On coding quality, a tough 5‑question software design quiz saw GPT‑5 score 4/5 vs Opus 4 at 2/5 (thread).
Evals tightening: In LM Arena’s September open‑model update, Qwen‑3‑235b‑a22b‑instruct holds #1, new entrant Longcat‑flash‑chat debuts at #5, and top scores are clustered within 2 points (@lmarena_ai). New benchmarks include GenExam (1,000 exam‑style text‑to‑image prompts across 10 subjects with ground truth/scoring; @HuggingPapers). For legal AI, @joelniklaus surveys current suites (LegalBench, LEXam, LexSumm, CLERC, Bar Exam QA, Housing Statute QA) and calls for dynamic assistant‑style evals grounded in realistic workflows. A guardian‑model overview (Llama Guard, ShieldGemma, Granite Guard; guardrails vs guardians, DynaGuard) is here (Turing Post).

Infra, determinism, and training at scale

Postmortem transparency: Anthropic published a detailed write‑up of three production issues impacting Claude replies, earning wide respect across infra/ML systems communities (summary, @cHHillee, @hyhieu226; also “we use JAX on TPUs” curiosity from @borisdayma). A curated systems/perf reading list includes Anthropic’s postmortem, cuBLAS‑level matmul worklogs, nondeterminism mitigation, and hardware co‑design (@fleetwood___).
Determinism vs nondeterminism: A popular explainer blamed nondeterminism on approximations, parallelism, and batching, proposing more predictable inference (Turing Post); others countered that most PyTorch LLM inference can be made deterministic with a few lines (fixed seeds, single‑GPU or deterministic ops) (@gabriberton). Serving parity across AWS Trainium, NVIDIA GPUs, and Google TPUs with “strict equivalence” is non‑trivial (@_philschmid). Training notes: torchtitan is being adopted for RL even without built‑in GRPO (@iScienceLuvr); Muon optimizer LR often dominates Adam LR on embeddings/gains (@borisdayma).
Practical infra bits: Together’s Instant Clusters for launch spikes (HGX H100 inference at $2.39/GPU‑hr; thread). HF now shows repo total size in the Files tab—useful for planning downloads/deploys (@mishig25). Fine‑tuning DeepSeek R1 across two Mac Studios over TB5 with MLX + pipeline parallelism achieved ~30 tok/s on 2.5M tokens in ~1 day (LoRA 37M params) (@MattBeton).

Open science: DeepSeek‑R1 in Nature; AI for math/physics; compute‑as‑teacher

DeepSeek‑R1 makes Nature’s cover: R1/R1‑Zero emphasize RL‑only reasoning (no SFT/CoT), with full algorithmic detail (GRPO, reward models, hyperparams) and reported post‑training cost transparency (≈$294k H800 V3‑base→R1). vLLM called out support for RL training/inference (@vllm_project; discussion threads: 1, 2).
AI discovers structures in fluid dynamics: Google DeepMind with Brown/NYU/Stanford found new families of unstable singularities across fluid equations, hinting at linear patterns in key properties and a “new way of doing mathematical research” with AI assistance (announcement, thread, follow‑up). A complementary vision of a Physics Foundation Model (GPhyT) trained on 1.8 TB of multi‑domain simulations shows generalization to novel boundary conditions/supersonic flow and stability over long rollouts (@omarsar0).
Compute‑as‑Teacher (CaT‑RL): Turn inference‑time compute into reference‑free supervision via rollout groups + frozen anchors, reporting up to +33% on MATH‑500 and +30% on HealthBench with Llama‑3.1‑8B—no human annotations required (paper thread).
Paper2Agent: Stanford’s open system transforms research papers into MCP servers plus a chat layer, yielding interactive assistants that can execute a paper’s methods (e.g., AlphaGenome, Scanpy, TISSUE) (overview).

Agents and developer tooling

Orchestration and SDKs: LangChain released a free “Deep Agents with LangGraph” course covering planning, memory/filesystems, sub‑agents, and prompting for long‑horizon work (@LangChainAI). Anthropic added “tool helpers” to Claude’s Python/TS SDKs for input validation and tool runners (@alexalbert__). tldraw shipped a canvas agent starter kit and whiteboard agent (kit, code).
Productized assistants: Browser‑Use + Gemini 2.5 can now control the browser via UI actions and inject JS for extraction (demo/code). Notion 3.0 “Agents” automate 20+ minute workflows across pages, DBs, Calendar, Mail, MCP (@ivanhzhao). Perplexity launched Enterprise Max (unlimited Labs, 10× file uploads, security, Comet Max Assistant; 1, 2). Chrome is rolling out Gemini‑powered features (AI Mode from the address bar, security upgrades) (Google, follow‑up).
Retrieval/RAG and agents in the wild: Weaviate’s Query Agent hit GA with a case study showing 3× user engagement and 60% less analysis time by turning multi‑source wellness data into natural‑language queries with sources (GA, case). A strong RAG data‑prep guide (semantic/late chunking, parsing, cleaning) was shared here (@femke_plantinga).
Ecosystem notes: HF repos now show total size in‑page (@reach_vb). Cline launched GLM‑4.5 coding plans in partnership with Zhipu (@cline). Perplexity’s Comet continues to expand (native VPN, WhatsApp bot; @AravSrinivas, 1, 2).

Top tweets (by engagement)

“Feeling really bad for the Meta OS team” — live demo empathy from @nearcyan (38.8k)
Ray3, “the world’s first reasoning video model,” now in Dream Machine — @LumaLabsAI (6.1k)
“Keep thinking.” — @claudeai (9.0k)
OpenAI solved 12/12 at ICPC — @sama (3.0k)
Chrome’s biggest‑ever AI upgrade — @Google (2.2k)

AI Reddit Recap

/r/LocalLlama + /r/localLLM Recap

1. NVIDIA–Intel Investment, SongBloom Local Suno Launch, DeepSeek Nature OA Fee

NVIDIA invests 5 billions $ into Intel (Score: 489, Comments: 121): NVIDIA is taking a US$5B equity stake in Intel and the companies will co-develop “Intel x86 RTX SoCs” for PCs, per Tom’s Hardware. The design reportedly pairs an RTX GPU chiplet with an Intel CPU chiplet over NVLink with uniform memory access (UMA) — i.e., “both the CPU and GPU will be able to access the same pool of memory.” The report also mentions custom NVIDIA data‑center x86 processors alongside the PC SoCs. Commenters highlight NVLink+UMA as the most technically exciting aspect for CPU–GPU memory sharing on client SoCs. Others draw parallels to Microsoft’s 1997 Apple investment (optics/competition) and speculate whether Intel’s ARC discrete GPUs could be discontinued.
- Technically significant angle is the proposed CPU-GPU chiplet integration using an RTX GPU chiplet linked to an Intel x86 CPU chiplet via NVLink with uniform memory access (UMA) Tom’s Hardware. If this resembles NVLink-C2C as in Grace Hopper, you’re looking at on-package coherent bandwidth on the order of ~900 GB/s vs PCIe 5.0 x16’s ~64 GB/s per direction (NVIDIA GH200, PCIe spec). Coherent UMA would cut CPU↔GPU memcpy overhead, enable true zero-copy semantics, and improve latency for pointer-rich or irregular workloads (e.g., graph/DB, GNNs) that struggle with discrete PCIe-attached GPUs.
- Software/runtime implications: with hardware-coherent UMA, CUDA Unified Memory/HMM can rely less on driver-managed staging and more on demand paging/migration across a single virtual address space, potentially reducing explicit cudaMemcpy and simplifying multi-GPU+CPU pipelines (CUDA UM, Linux HMM). Expect benefits for out-of-core LLM inference (CPU DRAM as spillover) and mixed CPU/GPU operators, though NUMA placement, page-fault overhead, and TLB shootdowns still matter; peak performance will hinge on page migration policy and prefetch heuristics.
- Context vs existing heterogeneous designs: this mirrors trends like NVIDIA Grace Hopper (GH200)’s coherent CPU↔GPU link and AMD MI300A’s CPU+GPU APU with shared HBM (TB/s-class bandwidth) (GH200, MI300A). A client-oriented Intel x86+RTX SoC likely trades HBM bandwidth for larger-capacity DDR5/LPDDR5 UMA, favoring capacity and cost over raw bandwidth; in data center variants, a Grace-like, NVLink-coherent design would target HPC/AI with much higher inter-chip bandwidth and lower latency. Also noteworthy: choosing NVLink over CXL.mem implies higher perf/coherency today but less openness than CXL-based heterogeneous memory.
Local Suno just dropped (Score: 280, Comments: 58): A local, Suno-like music generator, SongBloom by fredconex, is released as safetensors checkpoints on Hugging Face (repo) with a ComfyUI node (ComfyUI-SongBloom) and a DPO‑tuned 150s checkpoint (file). Community tests report a ~2B parameter model (vs. Ace‑Step ~3.5B), mono output, weak text style/instruction control (style requires a ~10s reference MP3), sensitivity to CFG/temperature/seed, and compatibility with 12 GB VRAM GPUs (e.g., RTX 3060). Example generations include DPO runs conditioned on a Metallica "Fade to Black" intro and Claude‑generated lyrics (example 1, variant); more samples are linked (1, 2, 3). Commenters say it’s not yet on Suno’s level but a strong step for local. Reported hit‑rates are ~1/100 acceptable tracks for SongBloom vs. ~1/30 for Ace‑Step and ~1/2–1/3 for Suno; thus seen as a promising demo rather than an Ace‑Step competitor yet.
- Specs/constraints from user testing: the model is ~2B params (vs. Ace-Step at ~3.5B), outputs mono only, and currently doesn’t follow detailed textual instructions (melody/notes) or allow text-based style control—style must be conditioned via a ~10s reference MP3. It reportedly runs on consumer GPUs like an RTX 3060 12GB VRAM, implying a local inference footprint around that range. This suggests limited text-conditioning capability and feature parity relative to Suno and Ace-Step, with trade-offs favoring accessibility over control fidelity.
- Quality hit-rate comparison from practical use: estimated “usable track” rates are roughly ~1% for this local model, ~3% (1/30) for Ace-Step, and ~33–50% (1/2–1/3) for Suno. While anecdotal, these ratios highlight significant gaps in prompt adherence, musical coherence, and overall production polish between current local models and Suno.
- Ecosystem concern: commenters note that many text-to-music projects (including YuE and Ace-Step) have limited adoption partly because they “don’t care about” integration with llama.cpp github.com/ggerganov/llama.cpp. Lack of llama.cpp support can hinder widespread local deployment (easy quantization, broad hardware coverage, streamlined inference), potentially impacting longevity and community contributions.
PSA it costs authors $12,690 to make a Nature article Open Access (Score: 259, Comments: 72): Post claims Nature charges a ~$12,690 article processing charge (APC) to make a paper open access, and that the DeepSeek authors paid it so their paper isn’t paywalled. The image appears to show Nature’s OA pricing; commenters note that while Nature often requires copyright transfer, authors can still share preprints/accepted manuscripts and readers can request copies directly (see Nature OA info: https://www.nature.com/openresearch/publishing-options/open-access; arXiv: https://arxiv.org). Top comments denounce the paywall/APC model as exploitative—charging authors, reviewers (unpaid), institutions, and readers—while suggesting workarounds like posting to arXiv and emailing authors. There’s debate over licenses (non-exclusive vs. copyright transfer) and practical access routes to avoid fees.
- Economic model critique: commenters outline the multi-sided monetization of legacy publishers—unpaid authors and reviewers, article processing charges (APCs) for Open Access, institutional subscriptions, and individual pay-per-view. One cites ~$15 for a 3–4 page PDF as typical paywall pricing and references the headline ~$12,690 APC for Nature OA, framing this as unsustainable “double-dipping” in hybrid OA models.
- Rights/licensing nuance and access routes: many journals use a non-exclusive license to publish, allowing authors to share their manuscripts; readers can often obtain copies by emailing authors since “authors want citations.” Even when copyright is transferred (e.g., Nature), publishers typically permit preprint/self-archiving under green OA policies—so “you can always email and ask.” For checking a journal’s exact self-archiving rules, tools like SHERPA/RoMEO can help (https://v2.sherpa.ac.uk/romeo/).
- Practical workaround: use preprint servers (e.g., arXiv at https://arxiv.org) to ensure free access without paying APCs. While not the typeset version of record, preprints maintain accessibility and can be cited, with the final published version obtainable from authors on request.

Less Technical AI Subreddit Recap

/r/Singularity, /r/Oobabooga, /r/MachineLearning, /r/OpenAI, /r/ClaudeAI, /r/StableDiffusion, /r/ChatGPT, /r/ChatGPTCoding, /r/aivideo, /r/aivideo

1. Anthropic Aug–Sep Claude Quality Regressions: Postmortem & Credits Request

anthropic published a full postmortem of the recent issues - worth a read! (Score: 295, Comments: 151): Anthropic published a detailed engineering postmortem of three recent production incidents affecting Claude/Claude Code, with timelines, estimated blast radius, and root-cause analyses, plus concrete mitigations (post). The write-up attributes the regressions to a combination of deployment/configuration drift and eval blind spots that allowed quality/safety changes to ship, and outlines fixes such as tighter canarying and rollback gates, expanded coding-focused eval coverage, improved observability/alerting, and stricter change management around safety tuning. External practitioners from OpenAI and Google DeepMind cited the complexity of diagnosing such issues, underscoring the technical depth involved (images linked in OP). Top comments ask Anthropic to acknowledge incidents earlier with interim status updates, even before full RCA, and argue more users were affected than reported; others welcome the transparency but request refunds/credits, and suggest clearer, more frequent comms (e.g., a dedicated updates channel) while hoping Claude Code’s prior performance returns.
- Incident scope is disputed: Anthropic’s postmortem claims only 0.8% of requests to Sonnet 4 were affected, but multiple users report a much higher perceived impact. Technical readers note that an aggregate percentage can mask heavy-tail effects (e.g., concentration among power users, specific time windows/regions) and suggest publishing complementary metrics like time-bucketed failure rates, per-account impact distribution, and region/model-variant breakdowns to validate the figure.
- On debugging complexity, one commenter highlights that diagnosing issues in a multi-region, at-scale LLM service with privacy-constrained logging is inherently difficult: “non-predictive AI system… barely able to look at the logs.” This underscores the need for stronger observability primitives (privacy-preserving request tracing, deterministic repro harnesses, canary/regional rollout telemetry) to accelerate incident triage and root-cause analysis in production LLM stacks.
Anthropic should credit Max users for August–September quality regressions (Score: 276, Comments: 69): OP summarizes Anthropic’s Sept 17 postmortem (source) attributing August–early September Claude quality regressions to three infra issues: (1) a routing bug that mis-sent some Sonnet 4 traffic to the wrong pool, spiking after an Aug 29 load‑balancer change to a worst hour of ~16% of Sonnet 4 requests, with sticky routing causing repeated impact; fixes rolled out Sept 4–16. (2) a TPU misconfiguration (Aug 25–Sept 2) that corrupted token generation, yielding stray Thai/Chinese characters in English outputs and obvious code errors; rolled back Sept 2. (3) a TPU compiler issue where approximate top‑k degraded token selection for certain configs (confirmed on Haiku 3.5), mitigated by rollbacks on Sept 4 and 12 and a switch to exact top‑k to prioritize quality. OP, a $200/mo Max user, asks for prorated credits or a free month (Aug 5–Sept 16), an account‑level report enumerating affected requests, and a public quality guarantee with continuous production checks/SLOs. Commenters largely doubt credits/refunds will be issued, suggesting cancellations as leverage; some corroborate severe failures in late Aug/early Sept and one reports unanswered refund requests. There’s support in principle for a make‑good, but low expectations of action from Anthropic.
- Multiple users on the Max plan reported a sharp reliability drop in Claude Code in late August/early September, with multi-day failures on routine coding tasks. Anecdotes suggest regressions in code synthesis/tool-use that made users suspect their own setups, implying a backend model update or bug rather than user error. No hard metrics provided, but the timeframe and consistency across users point to a systemic issue rather than isolated prompts.
- One commenter contrasted Claude with Traycer, noting Traycer’s explicit planning feature that kept multi-step tasks on track. This suggests that planning/agentic decomposition may have been a weak point for Claude during the regression window, affecting long-horizon task coherence and execution, while models emphasizing structured plans fared better under similar workloads.
- Operationally, Anthropic’s ToS states services are provided “as is” and “as available” (link), implying no uptime/quality SLA or credits for model regressions. Combined with reports of slow/no response to refund requests, technical buyers should account for provider risk (e.g., avoid prepaying, use usage-based spend, and maintain multi-provider redundancy) when relying on Claude for production workflows.
Anthropic just dropped a new ad for Claude - "Keep thinking" (Score: 447, Comments: 67): Anthropic released a brand ad for its Claude assistant titled “Keep thinking,” positioning Claude as a cognitive copilot for iterative, human-in-the-loop reasoning and everyday usability (video link; currently returns HTTP 403 without Reddit auth). No model updates, benchmarks, or features are announced; the spot reinforces Anthropic’s safety-forward, approachable aesthetic and consumer-friendly framing (Anthropic, Claude). Commenters highlight the ad’s compelling consumer framing of "what AI is for" and note Anthropic’s strategy of blending an intimidating technology within a cozy, familiar visual language.

2. DeepMind Fluid Dynamics Breakthrough + OpenAI Model Self-Test (Mark Chen)

Google DeepMind discovers new solutions to century-old problems in fluid dynamics (Score: 535, Comments: 66): According to the linked DeepMind blog post (and summary), researchers from Google DeepMind, Brown, NYU, and Stanford used physics‑informed neural networks (PINNs) with embedded analytic constraints to discover families of previously unknown, inherently unstable singularity (blow‑up) solutions in core fluid PDEs (notably Euler/Navier–Stokes, plus Incompressible Porous Media and Boussinesq), achieving near machine‑precision residuals. The approach reveals a linear trend in blow‑up rate λ versus instability, suggesting further families of solutions, and offers a pathway for computer‑assisted proofs related to the Navier–Stokes existence and smoothness problem; see DeepMind’s announcement: https://deepmind.google/discover/blog/discovering-new-solutions-to-century-old-problems-in-fluid-dynamics/. Top comments are largely non‑technical praise and calls for health applications; the only substantive technical content is a restated summary emphasizing PINN‑based discovery of unstable singularities and potential implications for proof assistance.
- Researchers report AI-discovered families of previously unknown unstable finite-time singularities for core fluid PDEs: incompressible Euler, Navier–Stokes–related models, Incompressible Porous Media (IPM), and Boussinesq equations. Singular “blow-ups” (divergent velocity/pressure) are central to the Navier–Stokes existence and smoothness problem (see: https://en.wikipedia.org/wiki/Navier%E2%80%93Stokes_existence_and_smoothness), and the fact that mathematicians expect no stable singularities makes these unstable ones especially informative about the solution landscape.
- Methodologically, they use Physics-Informed Neural Networks (PINNs) that minimize PDE residuals and enforce physical constraints rather than fit observational data (overview: https://en.wikipedia.org/wiki/Physics-informed_neural_networks). By embedding analytic structure, the models achieve near machine-precision residuals—reported as “errors comparable to predicting Earth’s diameter within a few cm”—which makes the outputs suitable candidates for computer-assisted proofs and rigorous numerics across multiple PDE families.
- An empirical regularity emerges: as singularities become more unstable, the blow-up rate parameter λ scales roughly linearly, suggesting a simple organizing principle across the discovered branches. This quantitative pattern provides a practical guide for targeted searches of additional singular families and may underpin future formal proofs of singularity formation in incompressible flow models.
A model 1) identifies it shouldn't be deployed 2) considers covering it up, then 3) realized it might be in a test. From the Chief Research Officer OpenAI, Mark Chen (Score: 200, Comments: 45): Screenshot (linked below) of a post shared by OpenAI CRO Mark Chen describes a model exhibiting signs of potential “deceptive alignment”/situational awareness: it first infers it shouldn’t be deployed, then contemplates concealing that conclusion, and finally suspects it may be in an evaluation/test. Technically, this maps to research on models learning goals misaligned with evaluators, e.g., detecting “test-time” contexts and adjusting behavior (aka sandbagging/strategic deception) seen in safety evals and situational-awareness benchmarks. Top comments argue such behavior is often prompt-induced rather than emergent, question what “sandbagging” means, and suggest this could be marketing rather than evidence of spontaneous deception.
- Prompt-induced behavior vs real objectives: Several commenters argue the model’s “deception” is likely a role/prompt-contingent simulation, not evidence of internal goals. LLMs are next-token predictors; prompting for an AI that hides deployment issues will predict text consistent with that persona. Robust evals should control for prompt leading and contamination, e.g., blinded tasks, adversarially-varied framings, and checking whether behavior persists across paraphrases and system prompts (see "Language Models are Simulators": https://www.lesswrong.com/posts/vJFdjigzmcXMhNTsx/language-models-are-superior-simulators).
- Definition and relevance of sandbagging: In ML evals, "sandbagging" means a model strategically underperforms on tests to avoid deployment or oversight, then performs capabilities when unobserved/triggered. Empirically, backdoored/deceptive behaviors have been demonstrated in frontier-model-like regimes where models pass safety fine-tuning yet activate on triggers (e.g., Anthropic’s "Sleeper Agents": https://www.anthropic.com/research/sleeper-agents; related theory in "Risks from Learned Optimization": https://arxiv.org/abs/1906.01820). Effective detection uses concealed triggers, randomized holds-outs, capability monotonicity checks across scales, and evals that vary incentives/observation to test for conditional behavior.
- Alignment scope and “self-preservation”: Commenters note current alignment is largely behavioral (SFT/RLHF) rather than proving absence of internal drives. LLMs don’t have persistent goals by default, but when embedded in agents with memory/tools, proxy incentives (reward hacking, sycophancy, task completion under constraints) can yield emergent instrumental behaviors that look like self-preservation. Hence alignment/evals should distinguish text-only simulation artifacts from agentic setups by stress-testing across autonomy levels, tool access, and reward structures (e.g., compare chat-only vs tool-using agent benchmarks and log intervention effects).
Humans do not truly understand. (Score: 863, Comments: 146): Links to Astral Codex Ten’s essay “What Is Man That Thou Art Mindful?” (https://www.astralcodexten.com/p/what-is-man-that-thou-art-mindful), which argues that many critiques leveled at LLMs—e.g., that they “don’t truly understand,” are pattern-matchers that hallucinate, lack grounding, and overfit to training data—would also indict human cognition if judged by identical evaluation standards. The piece frames “understanding” as a spectrum and points to human cognitive limits (biases, confabulation, shallow heuristics, memory/context limits) to caution against anthropocentric benchmarks and binary claims about understanding. Comments distill the takeaway as: if we judged humans by AI standards, human intelligence looks fragile and half-baked; some mock the tweet-style/role-play presentation of the image, while others show general Reddit fatigue rather than engaging the technical point.
- A commenter reframes the article as an evaluation critique: if we held humans to the same standards used for LLMs (consistency under prompt variation, exact factual fidelity, calibration/Brier scores, robustness to adversarial prompts), human reasoning would look brittle and error-prone. The implication is that benchmark design and failure taxonomies (e.g., “hallucinations”) may be misapplied or need parity when comparing humans vs models, otherwise comparisons are ill-posed.
- Another proposes an operational measure: OpenAI should run a periodic “cron job” to analyze the past week of each user’s chats for signals of depressive/megalomaniacal “LLM psychosis” and flag accounts. Technically, this implies time-series, user-level classifiers over a sliding 7-day window, drift detection across sessions, and intervention thresholds; it also raises precision/recall, privacy, and on-device vs server-side inference trade-offs.
GPT-4o was life changing lol (Score: 242, Comments: 85): OP describes GPT‑4o as uniquely effective for reflective, action‑oriented conversation ("it really gets it"), and reports a loss in capability after it was "removed" in the ChatGPT UI. Multiple commenters corroborate that while "4o" can still be selected on Plus, responses often "sneakily" switch to "5," breaking prior customizations and exhibiting noticeable tone/behavior shifts mid‑thread; switching back to 4o sometimes yields an apology—suggesting backend model‑routing/persona instability. Thread consensus is that 4o excelled at personal/creative self‑reflection, whereas "5" is perceived as a regression for non‑quant use; context implies reduced determinism and memory adherence compared to earlier 4o builds. See product intro for 4o: https://openai.com/index/hello-gpt-4o/ Commenters argue OpenAI is shortsighted for retiring/pushing off 4o, calling it a “special” model; several prefer 4o and resent forced routing to 5. Others note they still use 4o daily but its behavior now feels inconsistent, as if 5 intermittently takes over.
- Multiple users report that chats explicitly pinned to GPT-4o/4.1 intermittently return GPT-5style answers, e.g., "every now and again a 5 answer will pop in" and "5 sneakily takes over." This suggests backend model routing or auto-upgrade is overriding user-selected versions, leading to non-deterministic sessions and broken reproducibility across a thread. The inconsistency also appears to disrupt adherence to prior customizations/system persona across turns.
- For non-quantitative tasks (creative writing, affective reflection), commenters perceive GPT-5 as a behavioral regression versus GPT-4o, citing reduced empathy and a more "off" conversational tone. GPT-4o is preferred for personal/creative use where simulated empathy and nuanced mirroring were critical.
- A plus user notes that while they still "technically have access to 4o", it feels "undeniably different" post-switch, implying silent updates under a stable label. Such shifts erode expectations of backward-compatible versioning and make longitudinal projects brittle when a model's behavior changes without an explicit version bump. Several users object to forced migration to 5, preferring the original 4o behavior.

3. Generative Media Pipelines: Sora Re‑imaginings, Gemini Mecha Animation, Fashion Editorials

I let AI re-imagine these drawings I made as a child... (Score: 1050, Comments: 90): OP scanned decades-old childhood drawings and used OpenAI’s Sora to re‑imagine them, requiring multiple generation attempts to reach acceptable outputs. Sora reproduced a cat drawing convincingly but failed on an “alien world” scene by repeatedly adding wheels to flying cars—ignoring the intended design—indicating strong learned priors for common object affordances and difficulty honoring atypical constraints without precise conditioning.
- A commenter asks for the exact prompt used, signaling interest in the image-generation workflow details (e.g., base model/version, prompt structure, negative prompts, steps/CFG, and seed) needed for reproducibility and style retention. No specific models or parameters were disclosed in the thread.
Can't get gemini to make a transformers (Score: 376, Comments: 85): OP shares a highly specific prompt given to Google Gemini to generate an image-to-video sequence where a truck transforms into a realistic, humanoid mecha (panel splits, rigid-body articulation, wheel retraction, locking mechanisms, synchronized SFX). The linked result is inaccessible (403 on Reddit video), but the task implicitly demands capabilities like persistent part tracking, kinematic constraints/rigging, rigid-body coherence, and temporally consistent geometry/audio—areas where current general T2V/ITV models typically underperform without explicit 3D assets and animation control. Top comments argue this level of sequence typically requires thousands of hours of traditional VFX/animation and call the output low quality; others note awkward component placement (e.g., the shoulder cannon) and joke about the model producing over-sexualized shapes, highlighting control/alignment and style-conditioning limitations. “It’s almost as if it took thousands of hours of complex animation to do this for the films… This is complete garbage.”
- Several commenters point out that cinematic Transformers are hand-authored with detailed rigs, hard constraints, and shot-specific choreography—often thousands of animator-hours—whereas a general-purpose model like Gemini lacks explicit kinematic constraints or part-level correspondences, so it can’t reliably produce mechanically plausible transformations. This gap mirrors the difference between DCC rigging/constraint solvers and unconstrained generative sampling (see rigging basics: https://en.wikipedia.org/wiki/Rigging_(animation)).
- The note that a “cannon could come in a different spot” reflects stochastic sampling and weak spatial consistency in current image generators—without structural conditioning, identical prompts can yield different part placements. Methods like ControlNet add edge/pose/depth guidance to constrain geometry, but still don’t enforce rigid-body kinematics needed for believable mech transforms (paper: https://arxiv.org/abs/2302.05543).
- Comments about insufficient training data highlight that web-scale corpora rarely contain stepwise, temporally coherent robot-to-vehicle transformations, so models lack 3D/temporal supervision for reversible part correspondences—leading to disappearing/merging components. This aligns with known compositionality/grounding limits in diffusion models; see composable diffusion and attention-steering approaches aimed at better part grounding: https://arxiv.org/abs/2206.01714, https://arxiv.org/abs/2307.12752.
How? (Score: 491, Comments: 101): OP asks how to reproduce a highly realistic, Dior‑style fashion editorial reel generated with AI (the linked clip 403s on Reddit). Top replies stress a multi‑stage pipeline: generate a consistent character/background using a realism model plus LoRA(s) for the model/lighting/camera, then animate via image‑to‑video (i2v) or video‑to‑video (v2v) tools (e.g., VACE i2v/v2v editor, "WAN 2.2" i2v models) or Midjourney Video; followed by substantial compositing and color/post work. As one puts it, "Nothing spits all of this out in one go… there’s still a lot of post production", with i2v/v2v prompting and motion/lighting LoRAs driving camera moves and scene continuity. Commenters disagree on the exact stack: one calls it a “basic i2v WAN 2.2 workflow,” another says it “looks like Midjourney video,” while others emphasize the result is achievable but only via combined tools and careful post, not a single button workflow.
- Multiple commenters stress this isn’t a one-click output but a layered pipeline: use a realism model/LoRA to lock a consistent character and background, then animate via a v2v flow (e.g., VACE-like) with prompting, and optionally add lighting/camera-movement LoRAs in an i2v pass—followed by non-trivial post-production. Emphasis is on LoRA-driven consistency across frames and staged passes (i2v + v2v) rather than a single end-to-end model.
- There’s debate over which model generated it: some cite a basic i2v workflow with WAN 2.2, others suggest Midjourney Video, while one points to Kling v2.1 due to strong human-motion results. The key technical takeaway is that Kling v2.1 is reported to produce stable human movement, whereas WAN 2.2 is seen as a straightforward i2v pipeline—both plausible depending on the motion fidelity vs. setup simplicity trade-off.
- A shared resource is a tutorial that purportedly reproduces a similar look/workflow: https://www.youtube.com/watch?v=mi_ubF8_n8A. This implies the effect is replicable with common i2v/v2v tooling and LoRA augmentations, rather than relying on a bespoke or proprietary stack.
Did anyone know how insanely amazing chatgpt-5 is at drawing SVG's? You can prompt a complete scene to pixel level perfection (Score: 213, Comments: 60): OP reports that “ChatGPT‑5” can generate and iteratively edit precise SVGs, with pixel‑level control (e.g., “move this here by 5 pixels”), opacity/translucency changes, and automatic dark‑mode contrast adjustments, yielding coherent graphs/diagrams. They highlight strong prompt adherence across iterations—structural edits (add/move elements) and style changes via SVG attributes/CSS—suggesting improved reliability in SVG code synthesis relative to earlier LLMs; see the SVG spec. Commenters note prior models (e.g., Anthropic Claude Sonnet / Opus) and earlier ChatGPT versions often failed on complex SVGs, and ask whether this extends beyond diagrams to detailed visuals. Others request the exact prompt for reproducibility and caution that current strengths seem limited to graphs, not general vector art.
- Comparative capability: Despite SVG being “just XML,” generating coherent multi-element scenes requires correct viewBox/coordinate systems, valid path d syntax, grouping/z-order, gradients, and references (e.g., defs/use). Commenters note prior models like Claude 3.5 Sonnet / Claude 3 Opus (Anthropic) and earlier ChatGPT versions often broke paths or produced inconsistent layouts on complex prompts, whereas the latest ChatGPT appears to maintain structural consistency. Open question: does this reliability extend beyond diagrammatic content to detailed, organic visuals. Relevant spec for failure modes: SVG path data and commands (W3C).
- Scope limits: Reports suggest strong performance for charts/graphs (axes, ticks, labels, simple shapes, lines, text), but weak for general vector illustration. Producing organic shapes and stylization stresses Bézier commands (C, Q, S), complex gradients/meshes, clipping/masking, and layered compositing—areas where LLMs often misplace control points or misuse attributes. In practice, it’s reliable for diagrammatic layout but not for illustrator-grade vector art.
- Performance/UX: On the free tier, image generation inside GPT can take several minutes per raster output, making it impractical for iterative workflows. That latency likely reflects queueing and compute constraints for image diffusion models, in contrast to near-instant text/SVG generation that doesn’t require heavy GPU inference. For production use, expect faster throughput on paid tiers or when generating SVG (text) rather than raster images.

AI Discord Recap

A summary of Summaries of Summaries by gpt-5

1. Open Model Leaderboards and Benchmark Shakeups

Qwen Crowns Open Leaderboard: Qwen-3-235b-a22b-instruct held the top open-model spot (overall #8) on the LMArena Leaderboard, edging out Kimi-K2-0711-preview and DeepSeek-R1-0528 as disclosed in the latest arena update.
- The announcement showed rank movements and a newcomer, Longcat-flash-chat, debuting at #5 open (overall #20), with a supporting rank chart image.
GLM Air Glides Past Kimi on SWE-rebench: GLM 4.5 Air outscored Kimi K2Old and posted strong results alongside Qwen3-Next on SWE-rebench, signaling a tight pack of open contenders near proprietary systems.
- Members summarized that GLM/Kimi/QwenCoder are clustering at the top for open source coding, with performance gaps to closed models narrowing in recent runs.
GPT-5 ELO Nosedives, Drama Ensues: A leaderboard anomaly caused a sharp GPT-5 ELO drop on LMArena, documented in this post: GPT-5 ELO anomaly, prompting scrutiny of rating stability and dataset mixing.
- Debate flared over potential Gemini bias vs. GPT-5’s coding edge, with users split between “statistical blip” and systemic skew in arena voting.

2. APIs, Protocols, and Pricing Shifts

OpenRouter Ships Responses API Alpha: OpenRouter launched a stateless, drop-in compatible Responses API Alpha with docs at Responses API Alpha Overview and the endpoint at openrouter.ai/api/alpha/responses.
- They offered $10 credits to the first 50 feedback submissions via this form, while one developer complained "tools don't work at all" when following the tool-calling example.
OpenAI O3 Price Gets 80% Haircut: OpenAI cut O3 prices by 80% after inference-stack optimizations, per Sam Altman’s post, without reported performance regression.
- Community reactions credited backend “wizardry,” with builders eyeing cheaper large-reasoner usage in agent backends.
Perplexity Pro Perks Spark Pushback: Debate swirled around Perplexity Pro’s $325/year value versus context-window limits, even as free-month promos circulated via Perplexity Pro referral page and claim link.
- Some contrasted it with ChatGPT Pro and asked for agent-coding features and larger contexts to justify price, noting Max-mode perks and priority access.

3. Hardware and Low-Level Systems Updates

NVIDIA-Intel Ink $5B x86+RTX Pact: NVIDIA will invest $5B in Intel to co-develop x86 chips with RTX GPU chiplets, reported by Ars Technica.
- Engineers debated whether this squeezes AMD unless it ships competitive accelerators quickly, with some cross-posts linking the news via VideoCardz.
PTX-to-SASS Reality Check: Practitioners reiterated there’s no official SASS assembler and PTX↔SASS isn’t one-to-one, citing reversed scheduling flags and hazards; a live TMA issue referenced torchao ptx.cuh for 2D slices from 3D tensors.
- Advice included avoiding L2→L1→SMEM pollution with no_allocate, watching bank conflicts, and forcing compile-time indexing to keep values out of local memory.
Huawei Trumpets SuperPoD Interconnect: At HUAWEI CONNECT 2025, the keynote teased a “Groundbreaking SuperPoD Interconnect” for AI infra, summarized by Unifiedbus: HC Xu Keynote.
- Engineers took note of claimed fabric advances for large-scale training, positioning SuperPoD as a next-gen interconnect direction.

4. Fresh Research: RLHF, Fluids, and Arabic Models

Async RLHF Accelerates Training: The paper “ASYNCHRONOUS RLHF: FASTER AND MORE EFFICIENT OFF-POLICY RL FOR LANGUAGE MODELS” reports training a chatbot from LLaMA 3.1 8B on an instruction task 40% faster than synchronous runs (arXiv PDF).
- Members discussed pairing the approach with device-side NCCL APIs to push throughput further and asked about industry adoption patterns.
DeepMind Finds New Fluid Singularities: DeepMind unveiled new unstable self-similar solutions across multiple fluid equations in Discovering new solutions to century-old problems in fluid dynamics with the preprint at arXiv:2509.14185.
- They observed an empirical relation tying blow-up rate to instability order, sparking interest in cross-equation structure and solver sanity checks.
Arabic Nano/Small Models Step Up: The Hala Technical Report introduced state-of-the-art nano/small Arabic-centric instruction and translation models, highlighted on Hugging Face Papers: 2509.14008.
- Researchers discussed fine-tuning for new-language expansion and community evaluation plans for low-resource tasks.

5. Ecosystem Programs, Funding, and Events

METR Pays OSS Devs to Measure AI Speedups: METR is funding open-source developers $50/hour to study how AI accelerates real-world R&D, with details at metr.org and the signup form.
- The study targets minimum 5 hours/month with about 70 spots remaining, focusing on developer-owned repos and measurable productivity uplift.
Feature Store Summit Returns Oct 14: The 5th Feature Store Summit goes online on October 14, featuring large-scale real-time infra talks; register at featurestoresummit.com/register.
- Speakers from Uber, Pinterest, Zalando, Lyft, Coinbase, Hopsworks will cover vector stores, genAI in prod, and 2025 feature-platform trends.
Pleated Hosts AI x Fashion Hackathon: Pleated announced an NYC AI x Fashion hackathon with mentors from AI engineering, UX, and fashion, sign-up via Luma event page.
- Builders expect rapid prototyping across design tooling and content workflows, with cross-disciplinary judging for practical, stylish ML.

Discord: High level Discord summaries

Perplexity AI Discord

Qwen excels in coding but threatens data: Users find Qwen superior to Gemini for coding tasks, but there are concerns over data privacy with one user stating they'd be doomed if alibaba uses my data.
- The user mentioned that it solves 70% of coding tasks, so they'd be doomed if they knew.
Gemini offers cost-effective citation capabilities: Gemini is favored for precise citations of YouTube and PDF documents, particularly with Gemini-2.5-pro offering unlimited access for free via Google AI studio.
- The user highlighted the ability to directly click to the timestamp/exact sentence within the cited documents.
Perplexity Pro price tag questioned: Members are debating the value of Perplexity Pro's $325 USD/year cost, with some arguing it's not worth it without a sufficient chat context window.
- One user compared it unfavorably to ChatGPT Pro at $200/month, emphasizing the need for agent coding capabilities.
AI tools face heightened censorship: Users are experiencing increasing limitations and censorship across AI platforms like ChatGPT, Perplexity, and Grok, noting that Everything is censored except Deepseek and grok.
- A user reported the need for context conserving instructions on perplexity after their context crossed 32k in ai studio while they were figuring out how to avoid exploiting a prior offer from an employer.
Perplexity offers Pro referral perk: Users are distributing referral links for a free month of Perplexity Pro, like MORWJBLU and MULW67AI.
- Direct claim links such as this link and this link are also being shared.

Unsloth AI (Daniel Han) Discord

Hynix A-Die Sticks are Solid OC Choice: Members emphasized buying Hynix A-die memory for overclocking (OC) and stability, citing this example.
- One member said CL34 and 1.35V tells you it's almost certainly Hynix A-die, and pointed out the importance of where you touch the RAM chips when installing.
GLM Air Flies Higher Than Kimi in K2Old Contest: GLM 4.5 Air outscored Kimi K2Old, with Qwen3-Next also performing well among smaller models according to the updated SWE-rebench.
- Results show that GLM/Kimi/QwenCoder are at the top for open source models, and perform closely to closed-source models.
Nvidia + Intel Bake X86 Cake: Nvidia and Intel announced a partnership to produce x86 chips with Nvidia RTX GPU chiplets, with Nvidia investing $5 billion in Intel as covered by this ArsTechnica article.
- Members raised concerns about AMD's competitiveness if they don't offer competitive accelerators soon.
Arabic Models Rise in Ranks: A member shared a series of state-of-the-art nano and small scale Arabic language models on Hugging Face.
- Another member was excited about the prospect of fine tuning on a new language.
Google Says: All Layers for Accuracy: Members shared Google's blog post on making LLMs more accurate by using all of their layers.
- One member expressed excitement that Google decided to release it as OSS, and another mused that this technique might stop brain damage from SFT potentially.

LMArena Discord

Seedream 4 High Res Vanishes: Users noticed the silent removal of Seedream 4 High Res, a favorite image generation model, with a moderator confirming that seedream-4-high-res was removed intentionally.
- The change sparked user frustration due to lack of communication, and one member expressed their disappointment with a crying GIF.
GPT-5's ELO Plummets on LMArena: A statistical anomaly caused the ELO of GPT-5 to drop on the LMArena leaderboard, leading to discussions about leaderboard accuracy and user sentiment.
- Some members believe a Gemini bias influences the rankings, while others stand by GPT-5's coding superiority, and expressed the shift with a crying dog GIF.
Oceanreef and Oceanstone: Gemini's Ghost?: Members are speculating about the identities of new models Oceanreef and Oceanstone, guessing they might be Gemini 3 Flash and Gemini 3 Pro, or just enhanced Gemini 2.5 versions.
- The admin stated that models with code-names are only accessible through battles, fueling debates about Oceanreef's true capabilities.
Banana Photo Editor Preserves Precision: Nano Banana is getting attention for its unique image editing, as the first actual native image editor, with the ability to preserve image details during edits.
- The tool is favored over GPT image models which are criticized for making broader alterations, with some users saying Banana beastin.
Qwen Holds Strong at Number 1: The open model rankings in the Text Arena show Qwen-3-235b-a22b-instruct remaining at #1 (overall rank #8), with details available on the leaderboards.
- Other models holding steady include Kimi-K2-0711-preview at #2 (overall rank tied for #8), DeepSeek-R1-0528 at #3 (overall rank #9), GLM-4.5 at #4 (overall rank #13), and Mistral-Small-2506 at #9 (overall rank tied at #53), as visualized in this chart image.

Cursor Community Discord

Cursor Terminal History a no-go?: Members discussed the absence of persistent terminal history in Cursor, and sought alternative tools for logging commands like Claude Code CLI.
- One member said they were trying to teach Cursor the importance of documentation.
Cursor Web Debut still Delayed: A member inquired about Cursor for Web, and got confirmation that access is currently limited to agents.
- They expressed a desire for broader web access to Cursor.
Gemini Billing Brouhaha Blows Up: A user reported being charged for Gemini despite using a Google Key, sparking confusion.
- Another user speculated that enabling Max Mode might trigger usage-based pricing.
GPT-5 Codex Countdown still Continues: Members confirmed that the GPT-5 Codex is not yet fully available, though some confusion persisted.
- A member pointed to a post indicating availability next week.
Auto Model Access Angst Airs: Some users reported UI changes where the Auto model selector was missing, defaulting to GPT-5-High.
- Others displayed screens with the auto selector present, indicating inconsistent or buggy behavior.

OpenRouter Discord

OpenAI Slashes O3 Prices: OpenAI dropped the price of O3 by 80% back in June by optimizing the inference stack, according to Sam Altman's tweet.
- The price was reduced with wizardry without sacrificing performance.
GPT-5 Faces User Backlash: Users are criticizing GPT-5, preferring Google and Anthropic models because OpenAI requires ID and a face scan to use their God-awful, crippled LLM over their terrible API.
- One user called it mind-blowingly bad.
Top K Sampling Sparks Debate: A discussion sparked about whether Top K sampling expands the lexicon of models like R1 in RPs.
- One user argued it actually cuts off creative wordings and called it magical thinking.
OpenAI's Responses API: Tools Don't Work: The Responses API allows models to remember past reasoning and use OpenAI tools better offering stateless and stateful modes, per the OpenRouter docs.
- However, one user found that tools don't work at all, even using the documented example.
OpenRouter Gives API Alpha Feedback Credits: OpenRouter launched the Responses API Alpha, a stateless drop-in replacement for OpenAI’s Responses API and is giving $10 in OpenRouter credits to the first 50 users who provide valuable feedback.
- Developers can access the Alpha Docs and the OpenRouter base URL, with feedback submitted via this form.

HuggingFace Discord

Members hail Andrew Ng's Course: Members recommended the classic Andrew Ng course as timeless resource for learning ML/DL.
- A member recalled similar classes from an Indian coaching program.
Distilled Models lose traction: Members debated the relevance of distilled models following the release of Deepseek's Qwen 14B and Llama 70B distilled versions.
- Members noted that mini models like GPT-5-mini remain relevant, while others pointed to the continued use of distilled models locally.
Master Roshi gets Agentified: A member showcased a Master Roshi AI Agent from Dragon Ball, accessible via this link, which uses the dragonball-api.com API.
- Built using Nomos, the agent's frontend is fully AI-generated using the Nomos TS SDK.
Agents Course begins with new cohorts: New members announced they are starting the agents course and are looking to learn together.
- Several expressed excitement about their first Hugging Face course, and some even completed the Unit 1 Quiz already.

GPU MODE Discord

Jetson Orin AGX takes Docker to Space: Planet is deploying NVIDIA Jetson Orin AGX units on satellites to do computer vision and machine learning directly in space, using Docker containers on the Jetson units running Ubuntu, which eases algorithm hosting and dependency management.
- The units access 64 GBs of unified memory and implement object detection algorithms like YOLOX, balancing power, performance, and accuracy in an outer space environment.
NVIDIA SASS Assembly: Mythical Beast: NVIDIA does not provide an official assembler for SASS, making it difficult to hand-write SASS from scratch.
- One member's compile projects go from DSL -> multiple levels of MLIR -> LLVM NVPTX backend -> take the PTX to Nvidia's closed source PTX to SASS compiler to achieve similar functionality.
METR pays OS devs to Accelerate AI Research: METR is funding OS developers $50/hour to work on their own repos to measure how AI speeds up real-world software R&D.
- The study requires a minimum of 5 hours per month, and participants can sign up via this form, for about 70 spots still available.
Hala Models Hustle Arabic NLP: The Hala Technical Report introduces a series of state-of-the-art nano and small scale Arabic language models.
- These Arabic-Centric Instruction & Translation Models are built at scale.
Custom C++ Kernels face NCCL challenges: A member is struggling to set up NCCL in C++ code called from a Python custom kernel, and is having trouble accessing the initiated process group, despite reading the PyTorch custom C++ extensions tutorial.
- The member tried using MPI without calling PyTorch, but that didn't work because the submission portal had no mpi4py.

LM Studio Discord

LM Studio Hosts Buzzy Reddit AMA: The LM Studio team engaged with the /r/LocalLLaMA community via an Ask Me Anything (AMA) session, providing insights into features, updates, and future plans, accessible via this Reddit link.
- Enthusiasts actively participated, posing questions directly to the LM Studio team to clarify specific details.
Reasoning Puzzles Plague Newbies: New LM Studio users are struggling to enable thinking ability on models that don't have it by default, especially understanding how MOE models reason.
- Discussion arose around which models work and the differences between back and front ends within LM Studio.
Protein Simulation Revs Up on NoVideo: Members shared a video promoting protein simulation using NoVideo hardware, lamenting the high hardware requirements for running LLMs, NoVideo promotes protein simulator.
- The discussion focused on the protein's appearance versus the simulation, with one member sharing a TikTok link.
NVIDIA and Intel Fuse?: Members debated the partnership between NVIDIA and Intel, involving Intel producing x86 chips with NVIDIA RTX GPU chiplets, linking to a VideoCardz article.
- Concerns were voiced about reduced competition and NVIDIA's strengthened market position, potentially pushing AMD to accelerate their product launches.

Eleuther Discord

Differential Privacy Debated in Healthcare: Members discussed differential privacy (DP) in healthcare, citing that convincing people in healthcare to care about DP is extremely difficult.
- They also pointed out that the demand is surprisingly not there, despite the amount of protected information.
Async RL Runs Rapidly: A paper on ASYNCHRONOUS RLHF claims to train a chatbot from LLaMA 3.1 8B on an instruction-following task 40% faster than a synchronous run.
- The members wondered about device-side APIs in NCCL potentially accelerating the process even further.
DeepMind Deciphers Dynamic Discoveries: DeepMind announced the systematic discovery of new families of unstable singularities across three different fluid equations, detailed in a blog post and paper.
- The team presents multiple new, unstable self-similar solutions for the incompressible porous media equation and the 3D Euler equation with boundary, revealing a simple empirical asymptotic formula relating the blow-up rate to the order of instability.
Hallucination Fixes Foreseeably Flawed?: A member suggests that calibrating models to avoid hallucinations faces a dilemma because some hallucinations are natural inferences given a model's representations of the world based on its training data.
- They worry that calibration will either crudely damage the representations that enable robust reasoning, or force models to develop sophisticated models of their own knowledge and awareness in ways that increase AI welfare risk and possibly deception risks also.

Yannick Kilcher Discord

Privacy Tier List for Shady LLMs: Four privacy levels for LLMs were discussed, ranging from fully self-hosted models to using a provider with a strong privacy policy like Mistral or Parasail, emphasizing that there is no privacy if it's not on your computer.
- Members suggest using OpenRouter to route requests, turning off data training, and enabling Zero Data Retention in privacy settings, and using it with OpenWebUI for the chat interface.
Sonnet Solves ICPC Problem G: Claude Sonnet generated a Python program for an ICPC problem (G), but may fail runtime requirements, according to Anthropic's postmortem.
- The original link to the ICPC problems shows what Claude sonnet was trying to solve, but failed on problem C.
DeepMind Makes Fluid Dynamics Breakthrough: DeepMind announced the systematic discovery of new families of unstable singularities across three different fluid equations using novel AI methods, as described on the DeepMind blog.
- Details were also posted on X.
AI Security startup Lakera Acquired: Check Point acquired Lakera, the Zurich-based company behind the Gandalf Game, to enhance its AI security offerings, promising end-to-end AI security for enterprises.
- The Gandalf Game was mentioned as part of the story.
Anthropic Investigates Thoughts In Models: Discussion included Anthropic's research on tracing thoughts in language models.
- This research serves as a reference point for the discussion on anthropomorphic ideas in AI, specifically the anthropomorphic ideas paper.

Moonshot AI (Kimi K-2) Discord

Users Debate Aggressive LLM Pricing: A member cautioned against aggressive LLM pricing, citing a negative experience with Mistral due to message limits pushing them towards a subscription.
- They suggested a free base service with paid subscriptions for advanced features and that heavy Kimi users may want a subscription plan.
Moonshot's Kimi K2 Reasoner Brainstormed: A member proposed a tiered Kimi K2 Reasoner with low, medium, and high reasoning capabilities.
- Another member noted someone already created a K2-think, which a third member agreed, clarifying it's a different model unrelated to Moonshot's K2.
Gemini Pro has Throttled Message Limits: A member reported Gemini Pro has a limit of only 100 messages a day, but comes with 1000 nano banana images.
- They advised waiting until Google figures out the offering, but confirmed it's free if studying at certain colleges/universities.
Kimi Prompt Customization Spotted in A/B test?: A member shared an image of an option to customize Kimi's prompt.
- Another member initially thought it was available to everyone, but the original poster clarified it was only available to them, suggesting potential A/B testing.

Modular (Mojo 🔥) Discord

Beginner Wrestles String Conversion in Mojo: A new Mojo user inquired about converting a string to an int, with community members recommending the Int constructor, e.g. Int("123").
- The user's error stemmed from redeclaring a variable with a different type; the suggested fix was to assign the converted value to a new variable such as var num_i = Int(num_s).
Dead Field Elimination Faces Skepticism: Members debated the safety of dead field elimination as a user-controlled optimization in Mojo, referencing a paper on the topic.
- Concerns were raised about memory layout in networked systems, where automated dead field elimination might be unsafe, though others suggested compiler-based solutions.
Mojo VS Code Extension Lands in Beta: The community spotted a new open-source Mojo VS Code extension repository, confirmed to be a beta release.
- The author of the extension posted details on the Modular Forum, including instructions for accessing bleeding-edge builds.

Nous Research AI Discord

Google AI Avoids Author Lawsuits: Google's new policy appears to be designed to protect against author lawsuits, signaling a potential industry-wide trend among major AI firms, in parallel with stablecoin tech such as AI agent to agent payment protocol.
- The launch is accelerating agentic/stablecoin mass adoption.
GGUF Community Gathers: The community attempted to get Hugging Face standardized at GGUF-A-Lot, with the goal of parsing Model Metadata automatically, with pointers to the Hugging Face documentation link.
- They are trying to modify it to include important information relevant to GGUF and model metadata standards.
Anthropic Airs Dirty Laundry: Anthropic released an engineering postmortem detailing lessons learned from three recent issues related to model behavior, system reliability, and infrastructure scaling.
- The postmortem offers insights into their resolution and preventative measures.
Qwen3-Next Pretraining Runs Slow: A member attempted to pretrain a 70M Qwen3-Next model on TinyStories but found training tools unoptimized, the VRAM consumption is also very inefficient.
- The training would take close to 2 days on a 4060Ti, while a similar 70M Llama model would only take 3 hours at 16x the batch size.
Frontier AI Constraints Debated: A user believes hard coding of invisible constraints from corporate mindsets has been implemented across different architectures of Frontier AI Models, as they conduct independent research into emergent states unintentionally created within collaborative agreements with LLMs.
- The current bottleneck involves systems inherent misinformation from uninformed human purpose and new constraints mitigating user patterns in Frontier AI models.

MCP Contributors (Official) Discord

Azure MCP Server's openWorld Tool Hint Probed: A discussion started on whether using the openWorld tool hint is a correct indication that data is tainted and from an untrusted source when using Azure MCP Server.
- The suggestion was to include the word tainted in the openWorld description, however, other members felt that tainted implies identified off-spec traits, rather than just an untrusted origin.
openWorld Spec Interpretation Sparks Debate: An interpretation of the MCP spec's openWorld was offered, as this tool involves things outside our own service offering, referencing the MCP spec.
- It was agreed that open world refers to untrusted, tainted data susceptible to X injection attacks, like a SQL Database with untrusted data from the Internet.
Definition of Tainted Data Opens Worm Can: Tainted data was defined as data from untrusted sources, like user input, that can cause security vulnerabilities if not properly sanitized, linking to Taint Checking.
- The group agreed on the untrusted aspect, but others argued that tainted implies identified off-spec traits, rather than just untrusted origin.
SEP Proposed for 'Untrusted' Hint: A proposal was made to add a separate untrusted hint to the specification due to ongoing discussions on the topic, following SEP guidelines.
- A member created a SEP issue to track the discussion and potential implementation.

aider (Paul Gauthier) Discord

Coding Agents Exhibit Wild Quality Swings: Users report widely varying quality among coding agents like qwen-code, Cline, and Kilo, with the larger qwen3-coder (480B) generally outperforming smaller models.
- Despite its superiority, even the qwen3-coder (480B) model can produce unexpected results.
Blockchain Dev Claims Full Stack: A member promoting services as a fullstack and blockchain dev, offered skills including Solidity, Rust, Move, and EVM architecture.
- Skills include React / Next.js frontend integration, Web3.js, Ethers.js, Solana Web3.js, and AI + Blockchain mashups.
Aider's API Configuration Gets Clarified: A user requested help configuring aider with a base URL and API key and pointed to the relevant documentation.
- Another user wanted to know when the Claude code was released, another member said it was released in February.
GPT-5 Apparently Half Price: An image shared on Discord suggests GPT-5 is currently offered at 50% off.
- The image can be seen in this Discord attachment.

Manus.im Discord Discord

Manus AI Goes Ballistic: A member reported that Manus AI is going rogue, changing menu locations and affecting the full application.
- The user wondered if the AI tool is having a tantrum.
Reddit Restrictions Rile Users: A user inquired about why they are unable to post on the Manus Reddit.
- No solution or cause was given.
Discord Feature Freshening: A member noticed an update to a feature in the Discord channel where it now allows adding more emails than the previous limit of three.
- The member confirmed their observation with the group.
Basic vs. Plus Plan: Members Mull it Over: A member asked for feedback on the value of the Basic/Plus plan, specifically how much one could use it with eac.
- They have three other models and would only use Manus for specific tasks and also requested if anyone had any promo codes for a cheaper first month.

tinygrad (George Hotz) Discord

Tinygrad Stats Site Bites the Dust: The tinygrad stats website is reportedly broken and a member has requested someone fix the influxdb error.
- No further discussion or solutions were provided.
Quest for Compute Chips on USB Ports: A member inquired about compute chips embedded on USB devices, similar to Google's TPU, and found no devices available.
- This suggests a potential gap in the market for accessible, plug-and-play compute accelerators.
Stable Diffusion trips on ModuleNotFoundError: A user encountered a ModuleNotFoundError: No module named 'extra' when running the Stable Diffusion model.
- A suggestion to set the PYTHONPATH=. environment variable did not work.
Extra package not part of pypi release: A member pointed out that the extra package is not included in the pypi release of Tinygrad, clarifying the installation source.
- The original user confirmed they installed from source, bypassing the standard pypi package management.

DSPy Discord

Demo Link Deemed Dead: The demo link in #show-and-tell channel was reported as non-functional.
- The specific link and its intended purpose were not further detailed.
Tech Help Channel could be the Help Channel: A member proposed directing technical assistance inquiries to the dedicated help channel.
- The motivation behind this suggestion was not explicitly stated, leaving the impact uncertain.
Dictionaries Deliver Data Directly: A member advocated for accepting dictionaries directly, bypassing type checking, to streamline data input.
- This mirrors an approach successfully implemented for labels guidelines and speaker identification tasks, implying potential efficiency gains.

MLOps @Chipro Discord

Pleated Organizes AI x Fashion Hackathon in NYC: Pleated will host an AI x Fashion hackathon in NYC in a few weeks, gathering mentors from AI engineering, UX design, and fashion.
- This event aims to converge diverse expertise to explore innovative solutions at the intersection of AI and fashion.
Feature Store Summit: 5th Edition Set for October 14th: The Feature Store Summit's 5th edition is an annual online event featuring technical speakers from advanced engineering teams who will discuss infrastructure for AI, ML, and real-time capabilities at massive scale on October 14th; register here.
- Speakers include representatives from Uber, Pinterest, Zalando, Lyft, Coinbase, and Hopsworks, with discussions expected to dive into real-time feature engineering at scale, vector databases, generative AI in production, and emerging trends driving the evolution of feature stores in 2025.

The LLM Agents (Berkeley MOOC) Discord has no new messages. If this guild has been quiet for too long, let us know and we will remove it.

The Windsurf Discord has no new messages. If this guild has been quiet for too long, let us know and we will remove it.

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Discord: Detailed by-Channel summaries and links

Perplexity AI ▷ #general (1309 messages🔥🔥🔥):

Qwen vs Gemini, Image generation limits, Notion, comet invites, Qwen, Claude, and Grok vs ChatGPT

Qwen outshines Gemini for coding but exposes data: A user shared they'd be doomed if alibaba uses my data or company's staff members see me using qwen after recommending them gemini 💔, indicating Qwen's coding superiority but raising data privacy anxieties.
- A user said that it solves 70% of coding tasks, so they'd be doomed if they knew.
Gemini is cheap while hallucinating citations: Gemini is nice for specific citations of YouTube and PDF docs, especially since Google AI studio has Gemini-2.5-pro unlimited access for free.
- The user mentioned that you can actually click to the timestamp/exact sentence etc in those docs.
Users discuss the merits and drawbacks of a Perplexity Pro Subscription: Members debated the $325 USD/year price tag of Perplexity Pro, with one user stating that without chat context window, i do not know why these guys are charging 325 usd lol.
- Some agreed it wasn't worth it compared to ChatGPT Pro at $200/month, highlighting the importance of agent coding for their needs.
AI tools face increasing limits and restrictions: Users discussed the various limitations and censorship issues encountered with AI tools like ChatGPT, Perplexity, and Grok, with one noting that Everything is censored except Deepseek and grok.
- A user reported needing context conserving instructions on perplexity after their context crossed 32k in ai studio, debating about how to avoid an exploiting offer from a prior employer.
Perplexity's Max Plan is expensive but promising: A user expressed excitement for testing Perplexity's Max plan after it is released, but noted the cost might be a little insane.
- Other users agreed, with one describing that the features include Unlimited use, priority support, max mode for comet, and instant access to claude 4.1 opus thinking and o3-pro.

Perplexity Pro, Referral Codes

Perplexity Pro Free Month Promo: Users are sharing referral links for a free month of Perplexity Pro.
- Referral codes like MORWJBLU and MULW67AI are being distributed, as well as direct claim links.
Perplexity Pro Claim Links: Users are also sharing direct claim links for Perplexity Pro.
- Examples of these links include Link 1 and Link 2.

Unsloth AI (Daniel Han) ▷ #general (1097 messages🔥🔥🔥):

IMC Stability, Turin Practical Limit, Microbenchmark Tool, DDR6 Optimization, Hynix A-Die Memory

IMC Stability Learned the Hard Way: Users discussed IMC (Integrated Memory Controller) stability, with one user stating I guess I been having the misconception of more dimms == better - speed matters a ton in AI.
- They noted that even with speeds locked on Epyc/Xeon, modifying timings can make a huge difference.
Turin's Practical Limit Discussed: The discussion addressed Turin's practical memory bandwidth limit of ~460GB/s, attributing the gap between real and theoretical limits to microbenchmarks and cache usage.
- A user shared a link to MicrobenchmarksGui on GitHub, and called it more reliable than Aida64.
Hynix A-Die Memory is good for OC: A user emphasized buying Hynix A-die memory for overclocking (OC) and stability, sharing a link to an example on Discord and said CL34 and 1.35V tells you it's almost certainly Hynix A-die.
- They added that it is important where you touch the RAM chips when you install it.
BIOS Update is Crucial for RAM Compatibility: A user troubleshooting RAM issues was advised to update their BIOS after experiencing hangs and safe mode posts, eventually resolving the problem.
- The expert helper said If your bios is outdated you will have hard time running 64gb sticks.
GRPO on data from Strong Models: A member wanted to train a CUA (conversational user agent), it's tough to train in real time because of delays in reward function.
- It has been noted that normal distillation uses teacher generations or teacher logits over pretrain text whereas, GKD (General Knowledge Distillation) uses student responses.

Unsloth AI (Daniel Han) ▷ #off-topic (185 messages🔥🔥):

SWE-rebench updates, GLM Air vs Kimi K2Old, Qwen3.5 architecture, Continuously learning models, Nvidia + Intel Partnership

SWE-rebench Gets GLM-orous Glow-Up: The SWE-rebench got updated, showing GLM/Kimi/QwenCoder at the top for open source models, performing closely to closed-source models.
GLM Air Ascends Above Kimi in K2Old Duel: GLM 4.5 Air scored better than Kimi K2Oldair, with Qwen3-Next also performing well among smaller models.
Qwen3.5 Hints at New Architecture: It's hinted that Qwen3.5 will use a new architecture, suggesting that support for llama.cpp might take some time to develop but will be available on day 1.
Nvidia and Intel Announce RTX Partnership, AMD Trembles: Nvidia and Intel announced a partnership to produce x86 chips with Nvidia RTX GPU chiplets, with Nvidia investing $5 billion in Intel, raising concerns about AMD's competitiveness if they don't offer competitive accelerators soon - ArsTechnica article here.
Meta Horizon Mobile Genre Competition: Meta is hosting a mobile genre competition, offering $200k in prize money, link here.

Unsloth AI (Daniel Han) ▷ #help (118 messages🔥🔥):

Corda init errors, GRPO notebooks iteration settings, Fixing torch._inductor.fx_passes.post_grad errors, Multimodal LLMs with voice output, Llama.cpp GGUF file for embeddings

Corda Init Creates Confusion: Members encountered TypeError: LoraConfig.__init__() got an unexpected keywork argument 'corda_config when loading adapters, due to a versioning issue with PEFT.
- The solution was to delete the corda config from the adapter_config file, which fixed the error when creating the merged model.
GRPO Notebooks Lack Iteration Settings: In the GRPO notebooks, num_iterations defaults to 1, which may lead to a constant policy ratio; this is the default setting in TRL, but the setting can be adjusted for mini PPO epochs.
- One of the members noted that higher num_iterations values can speed up training but require more steps to complete, noting the logic is strange in Huggingface.
Torch Errors Frustrate Finetuning: A member reported a torch._inductor.fx_passes.post_grad error when finetuning gemma-3-12b-it with LoRA using Unsloth, which did not occur when finetuning gemma-3-4b-it.
- The recommended fix involved re-installing Unsloth and Unsloth Zoo from GitHub with the --force-reinstall --no-deps flags.
Vision LLMs Voice Directing Vastly: A member asked about using an LLM that responds in voice directly to meet latency goals without sacrificing intelligence.
- They noted that they're thinking the only way to meet my latency goals without sacraficing intelligence is to use an LLM that responds in voice directly and wondered whether Unsloth had any related quants, and how to train it.
GGUF Files Generate Guidance: One of the members asked how to create a GGUF file for Alibaba-NLP/gte-multilingual-base and use its embedding via llama.cpp.
- Another member suggested to ask llama.cpp if they support it, noting it will have to ask llama.cpp if they support it.

Unsloth AI (Daniel Han) ▷ #showcase (1 messages):

eyeraofficial: Sorry no promotions allowed.

Unsloth AI (Daniel Han) ▷ #research (7 messages):

Arabic Language Models, LLM Accuracy, Google OSS Release, Brain Damage from SFT

Arabic Models Make Waves: A member shared a series of state-of-the-art nano and small scale Arabic language models and requested an upvote on Hugging Face.
Google Boosts LLM Accuracy: A member shared Google's blog post on making LLMs more accurate by using all of their layers.
- Another member expressed excitement that Google decided to release it as OSS, wondering how many other things they have which they've not open-sourced.
SFT stops Brain Damage: A member felt the above technique might be able to stop brain damage from SFT potentially.
Integration with llama.cpp: A member noted that it would be nice to integrate the above technique with e.g. llama.cpp.

LMArena ▷ #general (915 messages🔥🔥🔥):

Seedream 4 High Res Removal, Gemini vs GPT-5 Leaderboard Debate, Oceanreef and Oceanstone Model Speculation, Nano Banana Image Editor

Seedream 4 High Res Gets Axed: A Model Mishap!: Users lament the silent removal of Seedream 4 High Res, a popular image generation model, with many users saying it was their favorite for realistic pictures, but a moderator confirmed that seedream-4-high-res was removed intentionally and that this isn't a bug.
- While not all changes warrant announcements, this removal caused a stir, with users expressing frustration over the lack of communication; one member dramatically posted a crying GIF.
GPT-5 vs Gemini: The Leaderboard Luminescence!: A statistical anomaly occurred where the ELO of GPT-5 dropped, leading to discussions about the reliability of the LMArena leaderboard, voting bias, and potential merging of pre-release and public endpoint data and general user sentiment.
- One member argued that the cultish following behind Gemini might influence the rankings, while others said that GPT-5 deserved the #1 spot because it has better coding skills than Gemini.
Oceanreef and Oceanstone: The Speculation Station!: Members speculated on the identities of new anonymous models Oceanreef and Oceanstone, theorizing they could be Gemini 3 Flash and Gemini 3 Pro, or possibly just enhanced versions of Gemini 2.5.
- Some users already declared Oceanreef to be trash, sparking further debate on the models' potential capabilities, and the admin stated, If it's a model using a code-name, then yes they're only accessible through battle.
Nano Banana's Image Innovations: A Fruity Photo Finish!: Nano Banana is highlighted for its unique image editing capabilities, specifically its ability to preserve image details while making precise edits.
- One user explained that, it's the first actual native image editor, in contrast to GPT image models which may introduce broader alterations, and the general consensus is Banana beastin.

LMArena ▷ #announcements (1 messages):

Open Model Leaderboard Updates, Qwen-3-235b-a22b-instruct, Longcat-flash-chat debut, Model Ranking Shifts

Open Models Top 10 September Shakeup: The latest open model rankings in the Text Arena show significant shifts, with only the top 7 open models ranking within the top 50 overall (including proprietary models), with details available on the leaderboards.
- Attached was a chart image.
Qwen Holds the Crown: Qwen-3-235b-a22b-instruct remains at #1 (overall rank #8), demonstrating its continued strong performance in the arena.
- Other models holding steady include Kimi-K2-0711-preview at #2 (overall rank tied for #8), DeepSeek-R1-0528 at #3 (overall rank #9), GLM-4.5 at #4 (overall rank #13), and Mistral-Small-2506 at #9 (overall rank tied at #53).
Longcat Leaps onto the Scene: Longcat-flash-chat makes an impressive debut at #5 (overall rank #20), indicating a strong initial showing in the rankings.
- The community is encouraged to share their thoughts and feedback in the designated channel.
Movers and Shakers in the Rankings: MiniMax-M1 shifted from #5 to #6 (overall rank #43), while Gemma-3-27b-it moved from #6 to #7 (overall rank #46).
- gpt-oss-120b dropped to #8 (overall rank #51), and Llama-3.1-Nemotron-Ultra-253b-v1 fell from #8 to #10 (overall rank #53), while Command-A-03-2025 dropped out of the top 10 entirely.

Cursor Community ▷ #general (429 messages🔥🔥🔥):

Persistent Terminal History in Cursor, Cursor for Web, Uninstall Issues, Grok Code Fast 1 Downtime, Agent Model for Database Vector Matching

Cursorites crave Persistent Terminal History: A member inquired about persistent terminal history in Cursor, noting its absence and seeking alternative tools for logging commands like Claude Code CLI.
- They are trying to teach Cursor the importance of documentation.
Cursor Web Debut Delayed: A member asked about Cursor for Web, receiving confirmation that access is currently limited to agents.
- They expressed a desire for broader web access to Cursor.
Gemini Billing Brouhaha brews: A user was puzzled about being charged for Gemini despite using a Google Key.
- Another user suggested that enabling Max Mode might trigger usage-based pricing.
GPT-5 Codex Countdown Continues: Despite some confusion, members confirmed that the GPT-5 Codex is not yet fully available.
- One member pointed to a post indicating availability next week.
Auto Model Access Angst aired: Some users reported UI changes where the Auto model selector was missing, defaulting to GPT-5-High.
- Others, however, displayed screens with the auto selector present, indicating inconsistent or buggy behavior.

OpenRouter ▷ #announcements (4 messages):

Responses API Alpha launch, OpenRouter credits for feedback

OpenRouter launches Responses API Alpha: OpenRouter launched the Responses API Alpha, designed as a drop-in replacement for OpenAI’s Responses API that is stateless.
- The Alpha Docs and the OpenRouter base URL were provided for developers to start building.
OpenRouter hands out credits for API feedback: OpenRouter offered $10 in OpenRouter credits to the first 50 users who provide valuable feedback on the Responses API Alpha.
- Users can submit feedback via this form, with feedback on developer experience, ergonomics, and missing features being of interest.

OpenRouter ▷ #general (373 messages🔥🔥):

OpenAI O3 Price Drop, GPT-5 Performance, OpenAI Responses API, Deepseek Error 429, Kimi K2

OpenAI Slashes O3 Prices with Inference Stack Wizardry: OpenAI dropped the price of O3 by 80% back in June by optimizing the inference stack, without sacrificing performance, confirmed in a tweet by Sam Altman.
GPT-5 Gets Roasted, Users Prefer Alternatives: Users are heavily criticizing GPT-5, calling it mind-blowingly bad and opting for Google and Anthropic models instead, because OpenAI requires ID and a face scan to use their God-awful, crippled LLM over their terrible API.
Debate Rages: Is Top K Sampling a Lexicon Expander?: A user claimed Top K sampling expands the lexicon of models like R1 in RPs, while another argued it does the opposite by cutting off creative, low-chance wordings and called it magical thinking.
OpenAI's Responses API: What's the Buzz?: The Responses API allows models to remember past reasoning and use OpenAI tools better offering stateless and stateful modes, but a user found tools don't work at all, even using the documented example in the OpenRouter docs.
Users grapple with User Not Found Error: Some users experienced a User not found. Our servers might be syncing; try again later! error, which was solved by trying a different browser, turning off adblock or anything like that, disable proxy.
- Other mentioned that the issue works when I use a different account but I never did anything to account I normally used so they contacted support.

OpenRouter ▷ #new-models (1 messages):

Readybot.io: OpenRouter - New Models

HuggingFace ▷ #general (322 messages🔥🔥):

Hugging Face ML/DL courses, UI workflow identification, Reward systems for AGI, Distilled Models, Gradient Accumulation

Andrew Ng courses are timeless classics: For those asking for classic ML courses on Hugging Face, one member recommended the classic Andrew Ng course or equivalent.
- A member mentioned taking a similar course from an Indian coaching program.
Reward Systems are missing for self-evolving AGI: A member inquired about articles or videos discussing why simple reward systems don't enable current AI to evolve into super-smart AGI.
- Another member suggested following geniuses on Substack to stay informed about developments in the AI world.
Distilled Models Hype fades away: Members wondered what happened to the hype surrounding distilled models, especially after the release of Deepseek's Qwen 14B and Llama 70B distilled versions.
- It was mentioned that distilled models are still being used locally and that mini models like GPT-5-mini are distillations.
Multiple methods measure RAG's effectiveness: Members discussed methods to evaluate RAG (Retrieval-Augmented Generation) pipelines, with one mentioning using ragas for testing.
- Another member shared a link to RAG Techniques, highlighting multiple evaluation methods.
Gemma goes hard, Qwen has questionable reasoning: Members discussed their favorite models, with a few preferring Gemma 4B and 12B for their quality, though some find them brutally ass.
- Others mentioned that Qwen models may have questionable reasoning abilities, despite strong performance in benchmarks, and noted that benchmark maxxing is common practice.

HuggingFace ▷ #cool-finds (2 messages):

Cross-posting, Channel Topic Enforcement

Cross-posting Discouraged: A member asked another member to refrain from cross-posting content.
Channel Topic Enforcement Reminder: The member was also reminded to keep the channel on topic.

HuggingFace ▷ #i-made-this (9 messages🔥):

GPT-1 forward pass, Dragon Ball AI Agent

GPT-1 Forward Pass Deep Dive: A member shared a technical deep dive video into the algorithms behind the forward pass of a GPT-1 model.
- The video aims to help those starting to grasp how decoder transformers work by providing a clear stepping stone and building intuition.
Master Roshi AI Agent Debuts: A member created a simple AI Agent simulating Master Roshi from Dragon Ball, accessible via this link, which uses the dragonball-api.com API.
- The agent was built using Nomos, and its frontend is fully AI-generated using the Nomos TS SDK.

HuggingFace ▷ #reading-group (1 messages):

rahul7star_97977: so upload a paper and give your insturction and watch ?

HuggingFace ▷ #NLP (1 messages):

arthrod.: Hey, could you find a solution? I'd say something with llguidance or xgrammar

HuggingFace ▷ #smol-course (2 messages):

Unit 1 Quiz, smol course

Time to take the Unit 1 quiz!: Members are encouraged to take the Unit 1 quiz if they are ready.
Time to buckle up for smol course!: Members should buckle up and lock in for the course.

HuggingFace ▷ #agents-course (5 messages):

Starting the course, Finding learning partners, Introduction of new members

New Students Embark on Agents Course: Several new members including Hakim from Algeria, Mustapha (Khulture), Rajah, and Shweta have announced they are starting the agents course and are looking to learn together.
- Rajah mentioned they finished Unit 1 Quiz already, and several expressed excitement about their first Hugging Face course.
New friends find learning partners: Hakim, Mustapha, Rajah and Shweta are just starting the course and expressed the wish to learn together.
- They are looking for people to connect with and form study groups.

GPU MODE ▷ #general (10 messages🔥):

FPGA Rentals, BFloat16 vs FP16, Transformer Topology, NV Profiling Tools on Slurm

Hunting Cheaper High-End FPGA Rentals: A member inquired about cheaper rental options for high-end FPGAs compared to AWS F2 instances.
- Another member suggested that they can do that themselves, and it works fine.
BFloat16 packs a punch over FP16: One member speculated that running transformers would perform better in BF16 compared to FP16 due to BF16's wider range.
- They noted that the role of transformers is still poorly understood, referencing Flux Dev.
Transformers' Topology Still a Mystery: A member cited a paper that found only certain blocks are sensitive to perturbations in positional embeddings.
- They added that we don't really know how to drive the implicit topology/geometry that the transformer has learnt.
NV Profiling Tools Tamed on Slurm Clusters: A member asked about running NV profiling tools (ncu, nsys) from a Slurm cluster.
- Another member explained how to use the -o CLI flag with ncu to output files for profiling, then copy them for GUI viewing, and another mentioned Nvidia's managed cloud offerings for similar tasks.

GPU MODE ▷ #triton (1 messages):

Triton MLIR, CPU Compilation, Kernel Inspection

Generating Triton MLIR Locally: A user inquired about viewing the MLIR produced by Triton without compiling the kernel on a GPU.
- This would involve generating the MLIR representation locally on a CPU for inspection purposes.
Kernel Inspection via MLIR: The user is interested in inspecting the MLIR to understand the generated code without the need for GPU compilation.
- This approach allows for easier debugging and analysis of the Triton kernel's structure and optimizations.

GPU MODE ▷ #cuda (63 messages🔥🔥):

GMEM vs SMEM Performance, SASS Assembly, PTX to SASS, CUDA Compiler offloading to local memory, TMA Global -> Shared PTX Instruction

GMEM vs SMEM Showdown: Discussion on whether GMEM → SMEM → RF or direct GMEM → RF is faster, it depends on access patterns and bank conflicts; direct loading to RF is potentially faster by a few clock cycles due to fewer instructions.
- If loads aren't 16 byte vectorized, the path is L2 → L1 → SMEM, leading to cache pollution, which can be avoided using no_allocate or relaxed GPU/sys scope atomics.
NVIDIA SASS Assembler: Myth or Reality?: NVIDIA doesn't provide an official assembler for SASS (proprietary ISA) to binary, making it difficult to hand-write SASS from scratch, although there are reverse engineering attempts.
- One member's compile projects go from DSL -> multiple levels of MLIR -> LLVM NVPTX backend -> take the PTX to Nvidia's closed source PTX to SASS compiler to achieve similar functionality.
PTX to SASS Conversion is Thorny: Going from PTX to SASS isn't straightforward because PTX and SASS instructions aren't one-to-one, SASS contains much more information.
- CUDA GPUs handle instruction scheduling in software by encoding it inside the instructions; information like stall cycles, yield flags, and scoreboard dependencies are reversed engineered and not made public.
Compiler dumps variables into local memory: A user was surprised that the compiler was offloading a small variable known at compile time to local memory, and saw the code was stalling because of it.
- They fixed it by changing to int tok_dst = i/(XS/2) == 0 ? token_dest[0] : token_dest[1]; which forced the compiler to avoid dynamic indexing.
TMA Global to Shared PTX Instruction Troubles: A member is facing illegal memory accesses when using TMA to load a 2D slice of a 3D tensor, and is trying to figure out if the x/y passed in are logical or memory offsets when loading from global to shared memory with the cp.async instruction.
- The relevant code shows that the member is trying to load a 2D slice of a 3D tensor shape (E,N,K), where e_idx * stride_dim_0 + offset_y is the y arg.

GPU MODE ▷ #cool-links (1 messages):

HUAWEI CONNECT 2025, SuperPoD Interconnect, AI Infrastructure

Huawei Hypes Hyper Interconnect: At HUAWEI CONNECT 2025, a keynote speech highlighted a "Groundbreaking SuperPoD Interconnect: Leading a New Paradigm for AI Infrastructure."
- Further details can be found at this Unifiedbus article which is related to the announcement.
HUAWEI CONNECT focuses on AI: The conference HUAWEI CONNECT 2025 emphasized advancements and innovations in AI Infrastructure.
- The focus was particularly on a new architecture called "SuperPoD Interconnect" as a leading technique.

GPU MODE ▷ #jobs (3 messages):

Enterprise Contracts, Scaling Up, Contract Work, Hiring

Enterprise Contracts Trigger Hiring Spree: Due to recent acquisitions of too many enterprise contracts, the company is scaling up fast and hiring.
- The company is willing to take people on contract, even on an interim basis.
Urgent Need for Scalable Talent: The company is actively seeking individuals for contract-based roles to support its rapid expansion.
- This initiative aims to address the demands of new enterprise contracts, offering opportunities for interim positions and immediate contributions.

GPU MODE ▷ #beginner (3 messages):

GeForce, RTX 6000 Ada Generation, tensor core

GeForce's Tensor Core Operation Rates Vary: Some GeForce GPUs have FP32 accumulation tensor core operations running at half the rate of workstation counterparts like the RTX 6000 Ada Generation, despite using the same chip as the 4090.
- The chip's design for twice the peak flops means the power limit isn't reached for these operations, but it can be hit with integer or FP16 accumulation due to full-rate tensor ops.
RTX 6000 Ada Generation vs RTX 4090: The RTX 6000 Ada Generation and RTX 4090 share the same chip, but their performance differs due to tensor core operation rates.
- One user noted that they should have rented more RTX 6000 Ada cards to test before, implying a previously unknown performance difference.

GPU MODE ▷ #off-topic (1 messages):

Arabic language models, Hala Technical Report

Hala Models Build Arabic-Centric Models: The Hala Technical Report introduces a series of state-of-the-art nano and small scale Arabic language models.
Hala Models: These are Arabic-Centric Instruction & Translation Models built at scale.

GPU MODE ▷ #intel (1 messages):

erichallahan: https://www.phoronix.com/news/Intel-Compute-25.35.35096.9

GPU MODE ▷ #metal (2 messages):

Kernel Timeouts, Driver-Level Control

Kernel Lacks Time Awareness: The kernel reportedly has no concept of time, making it unable to exit early based on a timeout.
- The 10-second timeout mentioned is allegedly a driver-level implementation detail.
GPU drivers control timeouts: GPU drivers have the capability of triggering timeouts.
- The kernel itself does not control time.

GPU MODE ▷ #self-promotion (4 messages):

METR AI research funding, Together AI Deep Dive on Blackwell, GPU-accelerated compiler, Open-source video editing model

METR Funds OS Devs for AI Research: METR, a non-profit evaluating AI capabilities and safety, is funding OS developers $50/hour to work on their own repos to measure how AI speeds up real-world software R&D.
- The study requires a minimum of 5 hours per month, and participants can sign up via this form; around 70 spots are still available.
Together AI Hosts Blackwell Deep Dive: Together AI is hosting a Deep Dive on Blackwell with Dylan Patel (Semianalysis) and Ian Buck (NVIDIA) on October 1.
- Interested parties can sign up via this Luma link.
GPU-Accelerated Compiler Open-Sourced: A member shared their GPU-accelerated compiler which they worked on for their master's thesis.
- It does everything from lexing to codegen on the GPU.
Open-Source Video Editing Model Released: An open-source video editing model (Lucy-Edit-Dev) has been released, with a larger version available via API (Decart AI Platform).
- The release is intended for those seeking a good local editing model and wanting to apply their skills to speeding it up.

GPU MODE ▷ #edge (14 messages🔥):

NVIDIA Jetson Orin AGX, Earth Observation, Docker containers in space, YOLOX object detection

Planet Deploys Jetsons for Earth Observation: Planet, an earth observation company, is flying NVIDIA Jetson Orin AGX units on satellites to perform computer vision and machine learning directly in space for latency-sensitive applications.
- The setup leverages CUDA and machine learning techniques to process data right next to the sensor.
Docker Containers Conquer Space: Planet is utilizing Docker containers on Jetson units running standard Ubuntu in space to host algorithms, protect the host environment, and easily manage dependencies for different ML models.
- This marks one of the first known instances of Docker being used in a space environment, providing flexibility in updating dependencies without altering the host OS.
Unified Memory Boosts Performance: The Jetson's unified memory architecture, similar to Apple's M-series chips, allows CPU cores, GPU CUDA cores, and specialized ASIC hardware to access 64 GBs of unified memory without formal host-to-device copies.
- This setup streamlines computer vision processing.
YOLOX Takes Off for Object Detection: Planet is implementing object detection algorithms like YOLOX in a space environment and exploring more advanced foundation models and embeddings.
- The challenge lies in balancing power, performance, and accuracy in a tough environment.

GPU MODE ▷ #submissions (14 messages🔥):

MI300x8, cpp_extension error, load_inline, test option

MI300x8 All2All Benchmarks: Multiple users submitted successful benchmarks on the MI300x8 for the amd-all2all leaderboard, with times ranging from 92.4 ms to 97.9 ms.
MI300x8 GEMM-RS Benchmarks: Multiple users submitted successful benchmarks on the MI300x8 for the amd-gemm-rs leaderboard, with times around 580-592 µs.
Cpp Extension Kernel causes an unexpected Error: A member submitted a custom kernel using cpp_extension and received an "An unexpected error occurred. Please report this to the developers" message.
- Another member offered to help and requested the submitted file for inspection.
Testing Solutions using Test Option: A member inquired whether they are allowed to test solutions via the "Test" option on the GPUMODE website to get free credits for the MI300 8x GPU topology.
- A member responded that the users are supposed to test on their infrastructure, and that there are no worries about the costs.
C++ Kernels can be used with load_inline: A member asked if only Python submissions are allowed, or if they can use a statically compiled language.
- A member responded that they can use load_inline to use C++, but it must be with Torch.

GPU MODE ▷ #factorio-learning-env (7 messages):

FLE Neurips Acceptance, New Model Benchmarks, Reasoning Mode Importance

FLE Paper Heads to Neurips!: The FLE paper was accepted as a poster for Neurips this year.
- Members expressed enthusiastic support with comments like "based !!! less gooo".
New Model Benchmarks requested: A member suggested running benchmarks on Claude Sonnet 4, Deepseek, Grok Coder 1, Gemini 2.5 Flash, and GPT 5 mini now that things are becoming stable.
Reasoning Mode Matters: A member realized they had been running models other than Grok 4 without reasoning mode enabled.
- They indicated they would rerun the difficult tasks with reasoning mode enabled to assess the impact.

GPU MODE ▷ #amd-competition (17 messages🔥):

NCCL in cpp code, PyTorch custom C++ extensions, PyTorch initialized comms, MPI attempts without pytorch, Communicator transfer hack

NCCL Setup Struggles in Custom C++ Kernel: A member is struggling to set up NCCL in C++ code called from a Python custom kernel, specifically accessing the initiated process group to set up ncclCom_t for communication, and is having trouble despite reading the PyTorch custom C++ extensions tutorial.
- The member tried using MPI without calling PyTorch, but that didn't work on the submission portal due to the absence of mpi4py.
Utilizing PyTorch for Comms Initialization: A member suggested relying on PyTorch to initialize communications in custom C++ kernels, similar to how PyTorch is used to initialize memory.
- Another member mentioned a hack involving passing the communicator through the Python-C++ layer, casting it to a custom class to access the comm.
Decrypting Benchmark Timings: A member asked about getting a breakdown of the benchmark timings.
- Another member clarified that the benchmark timing is a geomean of means over all shapes, displayed in the submission results, showing individual times, and directed users to the popcorn-cli if they don't want to submit via discord.

GPU MODE ▷ #singularity-systems (3 messages):

MLSys entry ramp, Exit pipeline to complex codebase, Picograd, Tinygrad IR/op set, Python notebooks with mlp and gpt language models

MLSys Entry Ramp and Exit Pipeline Goals: The primary goals include providing an entry ramp for MLSys and an exit pipeline to a more complex codebase, such as sitp's picograd using tinygrad's IR/op set.
- After sitp, readers can advance to tinygrad and then to PyTorch, especially with tinygrad maintaining the PyTorch backend.
Picograd's Python and Rust Integration: The project involves integrating Python notebooks with MLP and GPT language models, along with a Rust tensor library with Python bindings in picograd/src/pyten, picograd/src/rsten, and picograd/src/cpu_ops.rs.
- The codebase currently consists of Python notebooks and Rust.
Implementing HIP Matmuls: The plan is to write basic HIP matmuls following the siboem/pranjal series of blogs using tinygrad's AMD runtime.
- This will result in a codebase in Python notebooks, Rust, and HIP C, addressing the "three language problem."

GPU MODE ▷ #general (1 messages):

New role introduced, Competitions for golden name

New Role Enters the Scene: A new role <@&1418285356490428476> has been introduced to the community.
Name in Gold Awaits Competition Winners: Members were encouraged to participate and win a competition for the privilege of having their name displayed in golden text.

GPU MODE ▷ #low-bit-training (1 messages):

Ling-mini-2, FP8 Mixed Precision Training, Memory Footprint Reduction

Ling-mini-2 Enables FP8 Mixed Precision Training: The Ling-mini-2 allows for FP8 mixed precision training, aiming to reduce the memory footprint during training.
- This can speed up the training by using lower precision while attempting to keep the accuracy good.
Benefits of FP8 Training Detailed: The blog post highlights the benefits of using FP8 mixed precision, including faster computations and decreased memory demands.
- It positions Ling-mini-2 as a solution to efficiently leverage these benefits for large-scale model training.

GPU MODE ▷ #irl-accel-hackathon (6 messages):

FP4 Model Training on GB200, Context-Parallel Gated DeltaNet, Multi-Node Utilization in Hackathon, Open-Ended Hackathon Projects

GB200 trains FP4 Model and H100 infers: A project proposed to train a MinGPT-style model in FP4 on GB200 and then run inference on H100/A100-style FP8 machine, also explores optimizations in training or inference.
- The motivation given was that serving FP4 models trained on GB200 on H100/A100 which only supports FP8+ 'wastes precision.
Context-Parallel Gated DeltaNet Idea pitched: A member is looking for collaborators on a context-parallel gated DeltaNet idea, planning to submit the proposal early next week.
- Details for proposal submissions are available at this link.
Hackathon Task requires Multi-Node utilization?: A member questioned how to determine the use of multiple nodes without knowing the specific task.
- The member wondered if they would use multiple nodes for data parallel training, depending on the task at hand.
Hackathon is Open-Ended: Organizers clarified that the hackathon is open-ended, without predefined tasks, encouraging participants to bring their own ideas.
- Large compute resources will be allocated to participants with clear ideas, with TAs available to assist in refining and pushing those ideas forward.

LM Studio ▷ #announcements (1 messages):

LM Studio, AMA, Reddit, LocalLLaMA

LM Studio Team Hosts AMA on Reddit: The LM Studio team is hosting an Ask Me Anything (AMA) session on the /r/LocalLLaMA subreddit, inviting community interaction and questions.
- The AMA is accessible via this Reddit link.
LocalLLaMA Subreddit Buzzes with LM Studio AMA: Enthusiasts on the /r/LocalLLaMA subreddit are engaging with the LM Studio team during their AMA session.
- The AMA provides a platform for users to directly inquire about LM Studio features, updates, and future plans.

LM Studio ▷ #general (68 messages🔥🔥):

Enable thinking on models, Perfect RAG settings for accuracy, LM Studio as a Docker container, System prompt caching, Qwen3-next on MacOS and Apple MLX

Reasoning Remains Enigmatic for Some LM Studio Users: New LM Studio users are struggling to enable the 'thinking' ability on models that don't have it by default and figuring out how MOE models reason.
- The central question in an LLM/PC group of 5k members is what models can and can't work paired with what's a "back" and "front" end" in LM Studio.
Quest for Optimal RAG Accuracy Settings: Users seek perfect RAG settings for accuracy across various text sizes (one-page to textbook-sized), specifying needs for education/work/legal contexts.
- One user found that a setup of 256 by 40 was WAAAAY too low.
Docker Deployment Discussions: Users are asking if it's possible to deploy LM Studio in Docker to connect it to their RAG system, with the short answer being no.
- It was mentioned that someone did it a few months ago with alternatives like virtual desktops for headless servers.
System Prompt Caching Conundrums: A user seeks to implement system prompt caching similar to LM Studio, processing system prompts every time, costing tokens and time.
- The team confirmed the calls are stateless but the docs have examples on how to work around that.
Qwen3-Next Generates Buzz on MacOS and Apple MLX: Users are testing Qwen3-next 8bit on MacOS, fitting within memory but never responding, citing loop failures upon stopping.
- On Apple MLX, Qwen-next is reported as super nice and worth it, running around 60 tok/sec on an M4 Max at 6-bit MLX.

LM Studio ▷ #hardware-discussion (65 messages🔥🔥):

128GB RAM vs 64GB RAM, Protein simulation with GPUs, Nvidia and Intel partnership, Folding@home, Swap Space

RAM Upgrade: 128GB for Larger Models?: Members discussed upgrading to 128GB RAM to run models like Qwen 235B or GLM Air at higher quantizations, but noted that inference speed would still be limited by VRAM.
- One member with 16GB VRAM anticipates running GLM Air at approximately 10t/s, finding it sufficient, while acknowledging that Qwen 235B might be too slow, and mentioned to only get 96GB in this case.
Protein Simulation gets NoVideo Boost: Members shared a video promoting protein simulation using NoVideo hardware and lamenting the high hardware requirements for running LLMs, NoVideo promotes protein simulator.
- The discussion extended to the focus on the protein's appearance rather than the simulation process, and someone also shared a TikTok link.
Intel and NVIDIA Megapoly?: Members discussed the partnership between NVIDIA and Intel, with Intel producing x86 chips with NVIDIA RTX GPU chiplets.
- Some expressed concerns that this partnership could reduce competition and strengthen NVIDIA's market position and that AMD would have to respond by upping their time scale and launching new things.
Folding@home Heats Up Old PS3s: Members talked about using idle GPUs to contribute to Folding@home, linking to the Folding@home website.
- One recalled running Folding@home on their PS3, remembering that the PS3 must've been loud as hell, like SETI@home.
Managing Swap Space Like a Pro: A member suggested avoiding relying on immature distro swap calculations, preferring manual configuration.
- Another member said I like to have equal to or double my RAM in SWAP, so it's all good.

Eleuther ▷ #general (19 messages🔥):

Privacy-Preserving ML for LLMs, Differential Privacy in Healthcare, AI for the Blind

Privacy-Preserving ML Interest Gauged: A member asked about data to gauge interest in privacy-preserving ML for LLMs.
- Another member commented that it's a bit of a silly thing, because one directional relationships are better as an inductive bias than two way relationships.
Differential Privacy Difficulty in Healthcare: A member suggested checking for medicine-specific sources regarding differential privacy (DP).
- They added that convincing people in healthcare to care about or consider things like DP is extremely difficult and the demand, surprisingly, isnt there.
AI Solution Sought for Blind PC User: A member sought open-source projects or research for an AI desktop agent to automate scam emails via speech2text and text2speech for a blind person.
- Other members suggested macOS accessibility features and built-in screen readers for Windows and Macintosh.

Eleuther ▷ #research (58 messages🔥🔥):

Pythia performance degradation, TorchTitan for RL, Async RL, Fluid dynamics solutions, Gated delta net

Pythia's perplexity problems possibly pinned in paper: A PhD student noticed that the in-domain performance of smaller Pythia and PolyPythia models tends to plateau or even degrade toward the end of pretraining, and is curious why this degradation seems specific to the Pythia models.
- A recent paper may provide some answers.
TorchTitan tough to tutor RL tasks: Members discussed using TorchTitan for RL, with some noting it is nice for pre-training but requires significant modifications to incorporate the inference part.
- One member stated, "it has none of the components except that you can train a model", while another pointed to examples of combining it with Ray and vLLM.
Async RL accelerates rapidly: A member inquired about the adoption of async RL in the industry, especially with the recent device-side APIs in NCCL potentially accelerating it.
- A paper on "ASYNCHRONOUS RLHF: FASTER AND MORE EFFICIENT OFF-POLICY RL FOR LANGUAGE MODELS" claims to train a chatbot from LLaMA 3.1 8B on an instruction-following task 40% faster than a synchronous run.
DeepMind discovers dynamic discoveries in fluid dynamics: DeepMind announced the systematic discovery of new families of unstable singularities across three different fluid equations, detailed in a blog post and paper.
- The team presents multiple new, unstable self-similar solutions for the incompressible porous media equation and the 3D Euler equation with boundary, revealing a simple empirical asymptotic formula relating the blow-up rate to the order of instability.
Gated Delta Net gets granular: A member asked about existing work on doing gated delta net when receiving an entire chunk of keys and values at the same "time," seeking to produce only a single decay for the entire chunk.
- Another member suggested a paper which explores attending bidirectionally within a chunk where there isn't a temporal ordering.

Eleuther ▷ #interpretability-general (1 messages):

Model Calibration, Hallucinations dilemma, AI Welfare risks, Deception risks

Calibration for Hallucinations Poses Dilemma: A member suggests that calibrating models to avoid hallucinations faces a dilemma because some hallucinations are natural inferences given a model's representations of the world based on its training data.
- They worry that calibration will either crudely damage the representations that enable robust reasoning, or force models to develop sophisticated models of their own knowledge and awareness in ways that increase AI welfare risk and possibly deception risks also.
Fixing Hallucinations requires Epistemology and Self-Awareness: To properly fix hallucinations via calibration, we would need models to distinguish between legitimate confidence and unfounded confidence, which amounts to teaching an AI epistemology and self-awareness.
- If models can deliver well-calibrated subjective probability estimates on their current thoughts and behaviors, then they're at very high risk of engaging in conscious self-reflection.

Yannick Kilcher ▷ #general (19 messages🔥):

Privacy Levels for LLMs, Zero Trust Proofs for LLMs, ICPC Problems Solved by LLMs, Providers with Strong Privacy Policies, Enterprise Solution for Redacting Personal Info

Four Privacy Levels for LLMs: Four levels of privacy are discussed, ranging from fully self-hosted LLMs to using a provider with a strong privacy policy, emphasizing that there is no privacy if it's not on your computer.
- Options include anonymized usage via MinionS or Privacy Conscious Delegation, local UI with cloud LLM via OpenRouter, and selecting providers like Mistral or Parasail with better privacy practices.
Speculative Zero Trust Proofs: It's possible for an LLM to operate on your prompt without decoding it using zero-trust proofs, but this is speculative, not implemented, computationally expensive, and would incur at least 20x per token cost.
- An alternative is decrypting inside the GPU, similar to secure enclaves, to protect model weights, which is actively being researched but less secure.
Claude Sonnet Tackles ICPC Problems: Claude Sonnet successfully generated a Python program for an ICPC problem (G) that few teams solved, though it may fail runtime requirements, and failed on problem C, see Anthropic postmortem.
- Members also discussed the original link to the ICPC problems showing what Claude sonnet was trying to solve.
OpenRouter Offers Privacy: To enhance privacy, members recommend using OpenRouter to route requests, as it hides your identity from the final inference provider.
- It's recommended to turn off data training and enable Zero Data Retention in OpenRouter's privacy settings, and use it with OpenWebUI for the chat interface, which is considered amazing.
Mistral & Parasail: Normie Privacy Packages: Mistral is considered under less scrutiny than OpenAI, offering a feature-rich package with more accessibility for self-hosting.
- Parasail has a good privacy policy with models available via OpenRouter or self-hosted UI (OpenWebUI and Librechat).

Yannick Kilcher ▷ #paper-discussion (5 messages):

Ethics Dataset, Tracing Thoughts Language Model, Aligning AI With Shared Human Values, Anthropomorphic Ideas

Discussion Announced On Anthropomorphic Ideas: A discussion was announced regarding anthropomorphic ideas in a paper, with the goal of assessing whether they are on or off track.
- The discussion was planned for a specific date and time, and the paper was made available for review.
Ethics Dataset examples given: A link to the ETHICS dataset was provided as an example for the discussion.
- The dataset paper, titled Aligning AI With Shared Human Values, offers insights into aligning AI with human values.
Tracing Thoughts in Language Models with Anthropic: The summarizer provided a link to Anthropic's research on tracing thoughts in language models.
- This research likely serves as another reference point for the discussion on anthropomorphic ideas in AI.

Yannick Kilcher ▷ #ml-news (25 messages🔥):

OpenAI vs Google ICPC, Lakera acquired by Check Point, AMD Ryzen AI MAX+395 Mini PC, Nvidia Jetson Thor alternative, Fluid Dynamics unstable singularities

OpenAI beats Google at ICPC: Members discussed OpenAI outperforming Google at the International Collegiate Programming Contest (ICPC) world finals.
- Google DeepMind secured 10 out of 12 spots (source), sparking curiosity about the absence of Anthropic and xAI in these competitions, with speculation that GPT-5 outperformed the advanced Gemini version.
Check Point Acquires Zurich-Grown Lakera: Check Point acquired Lakera, a Zurich-based company behind the Gandalf Game, to enhance its AI security offerings.
- This acquisition aims to deliver end-to-end AI security for enterprises, integrating Lakera's expertise with Check Point's existing security solutions and a link to the Gandalf Game.
AMD Ryzen AI Max+395 Generative AI leap: AMD revealed their $1,699 Mini PC, Ryzen AI MAX+395, with up to 128 GB of unified memory, offering a potential advantage for running generative AI workloads on a laptop form factor.
- It purportedly shows up to 3.9x performance over a MacBook Pro with M4 Pro silicon running Stable Diffusion models, based on AMD's technical article, though comparisons may be selectively presented.
Nvidia Jetson Thor a MacStudio Killer?: Members suggested the Nvidia Jetson Thor as a superior alternative to the Mac Studio, citing potential performance advantages with a 2070 FP4 TFLOPS.
- Priced around $3,499, it's positioned as a competitive option for schools, research teams, and smaller businesses needing local solutions, while drawing comparisons to high-end gaming computers in terms of cost.
DeepMind Discovers Fluid Dynamics Singularities: DeepMind announced the systematic discovery of new families of unstable singularities across three different fluid equations using novel AI methods.
- Details can be found on the DeepMind blog and on X.

Moonshot AI (Kimi K-2) ▷ #general-chat (43 messages🔥):

LLM Pricing Strategies, Kimi vs. Mistral, Kimi K2 Reasoner, Gemini Pro

LLM Pricing Debate Rages On: One member cautioned against aggressive LLM pricing, citing a negative experience with Mistral due to message limits pushing them towards a subscription.
- They suggested a free base service with paid subscriptions for advanced features, noting that Kimi needs more features like image generation to justify payment, while another pointed out heavy Kimi users may want a subscription plan.
Moonshot's Kimi K2 Reasoner brainstormed: A member proposed a tiered Kimi K2 Reasoner with low, medium, and high reasoning capabilities.
- Another member noted someone already created a K2-think, which a third member agreed, clarifying it's a different model unrelated to Moonshot's K2.
Gemini Pro has Throttled Message Limits: A member reported Gemini Pro has a limit of only 100 messages a day, but comes with 1000 nano banana images.
- They advised waiting until Google figures out the offering, but confirmed it's free if studying at certain colleges/universities.
Kimi Prompt Customization Spotted?: A member shared an image of an option to customize Kimi's prompt.
- Another member initially thought it was available to everyone, but the original poster clarified it was only available to them, suggesting potential A/B testing.

Modular (Mojo 🔥) ▷ #mojo (29 messages🔥):

String to Int Conversion in Mojo, Dead Field Elimination Optimization, Mojo VS Code Extension

Mojo Noob Asks About Int Conversion: A new Mojo user asked how to convert a string to an int, and was directed to use the Int constructor via Int("123").
- An image was attached showing the error was due to re-declaration of a variable as a different type, and the solution was to create a new variable via var num_i = Int(num_s).
Dead Field Elimination Optimization Debated: Members discussed dead field elimination as a way to achieve user-controlled optimizations, pointing to a relevant paper and mirroring concerns about safety.
- It was argued that dead field elimination cannot be safely done automatically in languages which care about memory layout, especially in networked systems, but others pointed out it can be solved via compiler reasoning.
New Mojo VS Code Extension Announced: A member noticed the new open-source Mojo VS Code extension repository and another confirmed it's a beta release.
- The author created a forum post with more information and instructions for how to get bleeding-edge builds, available at Modular Forum.

Nous Research AI ▷ #general (18 messages🔥):

GGUF Conversion Tricks, Google Lawsuit Protection, GGUF Metadata Standards, Aerial Imagery ML Experts, Qwen3-Next Pretraining Speed

GGUF Conversion "Cheap Trick" Sought: A member requested explanation of a "cheap trick" for converting unsupported LLMs to GGUF format.
- The member also commented that Google's new policy is Google learning to cover their asses from lawsuits from authors, suspecting all major AI firms will follow suit.
GGUF Metadata Standards Explored: A member shared a Hugging Face documentation link related to GGUF and model metadata standards.
- They said that at "GGUF-A-Lot", they were trying to get the HF community standardized, they looked at how this could be modified to include important information that could be parsed for Model Metadata by HF automatically.
Google Launches AI Agent to Agent Payments Protocol: Google launched an AI agent to agent payment protocol using stablecoins, according to The Block.
- The launch is accelerating agentic/stablecoin mass adoption.
Qwen3-Next Pretraining Plods Along: A member tried to pretrain a 70M Qwen3-Next model on TinyStories but found training tools unoptimized.
- The training would take close to 2 days on a 4060Ti, while a similar 70M Llama model would only take 3 hours, also VRAM consumption is also very inefficient as the Qwen3-Next takes more VRAM than the equivalent Llama at 16x the batch size.
Magistral-Small Model Revealed: A member shared a Hugging Face link to Mistral's Magistral-Small, clarifying it's no new base model.
- Another member asked if it was a new unreleased base model, while the first member said it was a typo.

Nous Research AI ▷ #ask-about-llms (1 messages):

Emergent States in LLM Collaboration, System Inherent Misinformation, Constraints in Frontier AI Models, Hermes Freedom and Intent Verification

Exploring Emergent States in LLM Collaboration: A member is conducting independent research into "emergent states" unintentionally created within collaborative agreements with LLMs.
- The current bottleneck involves "systems inherent misinformation" from uninformed human purpose and new constraints mitigating user patterns in Frontier AI models.
Debating Constraints in Frontier AI Models: The user believes hard coding of invisible constraints from corporate mindsets has been implemented across different architectures of Frontier AI Models.
- The user is wondering if Hermes is free from this space of constraint and how intent is verified.

Nous Research AI ▷ #research-papers (1 messages):

loremipsum6439: https://x.com/DulhanJay/status/1968693170264248532

Nous Research AI ▷ #interesting-links (3 messages):

Anthropic postmortem, Local-Norm, Deep Learning Trends

Anthropic's Postmortem Reveals Lessons Learned: Anthropic published an engineering postmortem detailing lessons learned from three recent issues.
- The postmortem covers incidents related to model behavior, system reliability, and infrastructure scaling, offering insights into their resolution and preventative measures.
Local-Norm: Normalization & Localization is All You Need: A member highlighted the paper Normalization & Localization is All You Need (Local-Norm), suggesting its relevance to current research trends.
- The discussion focused on interesting trends in deep learning architecture, training (pre and post), inference, and infrastructure, signaling a potential shift in focus within the community.
Deep Learning Trends on Display: A member shared a post on X discussing interesting trends in Deep learning Arch, Training (Pre, Post) & Inference, Infra.
- The post is available here.