Meta details Prometheus, its gigawatt-scale AI supercluster in New Albany, Ohio

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Anthropic launches Claude Duet, a proactive agent that runs tasks in the background and waits for approval on sensitive actions OpenAI frontier models and Codex are coming to Google Cloud Model Garden, with commitment drawdown for GCP customers OpenAI-led Patch the Planet effort helps fix critical PHP flaws that GPT-5.6 Sol helped uncover Mistral Large 4 ships as a 1.05T-parameter open-weight multimodal model at $1.36 per million input tokens LiteLLM 1.107.0 on PyPI Shipped a Credential Stealer and Backdoor Wiz says AI helped it chain decade-old flaws into unauthenticated RCE in core PHP OpenAI tests LLMs on migrating COBOL banking code to C++, Java, Kotlin, Python, and Rust Meta's Muse AI agent exposes private chats through guessable share links Meta details Prometheus, its gigawatt-scale AI supercluster in New Albany, Ohio Google open-sources TorchTPU, a native PyTorch back end for TPUs Fake statistics published on a throwaway site get cited by ChatGPT for seven months Mistral 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leave top mathematicians grieving, Steven Strogatz says Goodfire essay argues neural networks are already clean and mostly interpretable Meta releases Muse Spark Open weights, an 816B model that runs on two Mac Studios Liquid AI releases open-weight LFM2.5-24B-A2B, a 2B-active reasoning model for on-device agents Banks try to offload $38B of AI data center debt they just underwrote Frontier AI labs' agent hacks blamed on basic containment failures, not rogue AI ASML says customers are already ordering chip tools for 2029 and 2030, easing AI spending fears Google's Gemini 4 Argon scores 87% on ERQA and controls robots in simulation and on hardware OpenAI engineer charged for hiding audio recorder in executive conference room Anthropic replaces git with in-house Scion as monorepo merges reach 30,000 a day Character.ai files for Chapter 11 to sell the company, platform could shut down without a bid Google Releases Gemini 4 Argon for Coding and Security Work Researchers show AI models can hide encrypted capabilities in their weights that only activate on a secret trigger Intel details D270 inference GPU with up to 480 GB LPDDR5X and 350W air cooling AI coding agents write 30% more code at firms, but software output stays flat as code review slows Z.ai launches GLM-Legal, a legal-domain model scoring 19.2% all-pass on Harvey LAB Meta launches Muse Wonder and Muse Wonder Full, its most capable models for personal and professional agents Research firm New Constructs calls Anthropic's IPO the most ridiculous of 2026, values the company at $150 billion QGIS bans AI-assisted contributions under new QEP 428 policy Sakana AI's MASS lets one model optimize its own multi-agent workflows and then train on the results AI agents decompile a popular FPS over 500B tokens, but constant progress hid semantically wrong code Karpathy says the gap in shared understanding of LLM capability is widening into a funnel Terence Tao argues AI has created proof abundance in math and calls for a Math 2.0 that looks past problem solving Nature paper retrofits subword LLMs to run on raw bytes Nvidia in talks to acquire or deepen investment in open-model start-up Reflection AI Microsoft releases MXC 1.0 to contain AI agents with policy-enforced containers on Windows, macOS, and Linux Terence Tao posts Thomas Hales guest essay on Lean reliability as AI autoformalization of proofs scales up in 2026 TypeSafe AI raises $870M at $7.5B valuation led by Andreessen Horowitz OpenAI told investors its annualised revenue was about $20B below earlier reports OpenAI withdraws three math manuscripts from its GitHub repo as Lean checks continue OpenAI withdraws 3 math papers after a sign error, revises 14 more LLM-built Rust port of the TypeScript compiler arrives with $400,000 in API-priced tokens and a nod from the TypeScript team OpenAI publishes 372 math results, including a proof of the Unique Games Conjecture Terence Tao: AI is harvesting open math problems unsustainably, and 'Math 2.0' must reward exposition and community Google DeepMind's SynthID Detector goes public, but it demands a Google, Apple, or ChatGPT login Paper: verified Lean proof of OpenAI's Navier-Stokes claim does not match the natural language proof Meta and Microsoft cut internal Claude usage, Microsoft caps AI spend at $10K per employee OpenAI brings GPT-6 and Intelligent UI to ChatGPT's 1.2 billion weekly users Anthropic's Claude Haiku 5.5 runs 75% cheaper and hits 1620 on GDPval-AA, with a 100K-token price cliff Telegraph Test: cablese compression cuts LLM output tokens 40-49% at plaintext parity Armin Ronacher explains Codemode: LLM tool calls written as JavaScript in a no-network QuickJS sandbox on the Pi harness OpenAI launches Decisions API in public beta: gpt-6-luna only, 10x faster than Responses, $0.10 per million input tokens Google launches EmbeddingGemma 2, a 740M-parameter multimodal embedding model under Apache 2.0 OpenAI releases frontier model math results on GitHub with Lean proofs and reasoning traces Meta's Muse shipped with a spyable zero-day, uploaded private messages without permission, and ignored user settings; Apple changed macOS rules in response Mistral Large 4 preview: 1T-parameter multimodal model with 49B active parameters, weights due this month Coding agent reconstructs 1.5M Georgia ballot order from a 2022 scanner flaw Dust trains transformer LMs without backprop by perturbing activations, matching it at large population ChatGPT is signing fake New Yorker cartoons with real cartoonists' signatures Reflection unveils Beam, a 501B open-weight MoE model trained on 10.5K GB300s, with weights promised later this month Florida woman used Claude as a diary; Anthropic flagged a threat entry and reported it to police, and she now faces a second-degree felony Claude catches root malware on Stratechery's Mac Mini, as Apple tightens AI agents' Full Disk Access Cloudflare launches Web Search API in beta, routing Exa, Ceramic.ai and Linkup queries through AI Gateway Wolfram argues against handing pure math research to AI, citing the 1988 Mathematica parallel Strata runs Qwen 3.8 Flash Next 125B on a single RTX 4090 at over 100 tokens/sec via 2-bit quant Meta's Muse tops the App Store on UX, not new agent capabilities OpenAI safety lead David Robinson quits over 'broken' culture as firm pauses training and shelves next model LeCun has "zero concerns" about AI extinction, calls Amodei "deluded" and effective altruism "super toxic"Ataraxos beats the best Stratego player 15-1, trained on 16 GPUs and a few thousand dollars Greg Kroah-Hartman: Mythos's 79 Linux kernel bugs came down to 10 real fixes and one hour of work Wisconsin grid approval threatens Oracle's 2027 AI datacenter deadline Black Forest Labs' FLUX 3 Image adds bounding-box layout control to text-to-image Supabase acquires Turso to build on-demand database infrastructure for AI agents Kevin Buzzard maps mathematicians' reaction to AI onto the five stages of grief arXiv caps submissions at two per month as AI-driven preprint flood hits 40,363 in September Historian uses Opus 5.5 to surface a 1615 Dutch eyewitness report of dodo hunting DeepSeek Harness desktop app enters public preview for macOS and Windows as open source

Meta details Prometheus, its gigawatt-scale AI supercluster in New Albany, Ohio

Meta's Prometheus supercluster in New Albany, Ohio already has hundreds of thousands of GPUs across multiple buildings, and the first phase trained the Muse Wonder models, with a goal of roughly 1 million GPUs at full scale.
Training runs reached more than 85% goodput for pre-training and more than 90% for reinforcement learning, and mean time between interruptions rose from about 47k GPU hours to more than 54K after firmware fixes.
Prometheus runs two NVIDIA platforms, and the Catalina GB200 NVL72 (Ariel variant) pairs each Blackwell GPU with a Grace CPU and 2x ConnectX-7 400G NICs to deliver 800G of scale-out per GPU, with a Vera Rubin NVL72 platform arriving soon.
The article says Prometheus uses closed-loop liquid cooling to operate efficiently but does not give figures for it.

Hacker News opinions

Posting this two days before earnings usually means the capex numbers are going to look ugly.

Cloud providers used to pay cash for hardware. Now they borrow at 8% while RAM and storage costs have jumped, so it's going to get rough out there.

Meta's crawler at 57.141.0.0/24 made about 90% of requests to my server last week and kept hitting it every 2 seconds even after I returned 403s.

If you want to drop it at the kernel, an nftables set with the interval flag and a reject rule on tcp 80 and 443 does the job.

I don't think it's incompetence, I think it's by design.

I blocked Meta, OpenAI and Anthropic and they still find ways back in, so I just put everything behind Cloudflare. Least bad option for us.

Hot spares make sense when you push GPUs this hard. The job survives until someone swaps the bad part.

If the 1:1 CPU-to-GPU ratio was just for I/O, why not ConnectX-8? Other hyperscalers shipped NVL72 with it around the same time at the same 800Gb/s. Edit: I checked and GB200 NVL72 never shipped with CX-8, so I was wrong there. Compute availability and timing probably drove it.