Last Week in AI

Last Week in AI #346 - 719 math manuscripts, 2 Western open models, 1 more safety resignation

OpenAI publishes hundreds of math proofs from unreleased frontier model, Mistral and Reflection AI launch open-weight models to rival China, and more!

Oct 9 • Last Week in AI

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LWiAI Podcast #258 - Opus 5.5, Sol and Luna, Muse, DeepSeek-V4.1-Flash, Xi

(Belated post :/ ) Anthropic releases Opus 5.5 with lower prices and Fable-level performance, OpenAI launches GPT-6 Sol and Luna, boasting lower cost…

Oct 3 • Last Week in AI

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September 2026

Last Week in AI #345 - 5 new models, 9 misalignment incidents, some Dots

Anthropic and OpenAI race to release smarter and cheaper models, OpenAI discloses nine misalignment incidents, and more!

Sep 30 • Last Week in AI

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LWiAI Podcast #257 - GPT 6 Astra, AI Extinction, Security Incidents

A belated discussion of Astra’s release, a bunch of AI incidents, and the broader situation we are in with regards to AI safety.

Sep 24 • Last Week in AI

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Last Week in AI #344 - Navier–Stokes, Pacing the Frontier, AI Misuse

OpenAI claims a Millennium Prize proof amid a feud with mathematicians, Anthropic's CEO calls to pace the frontier, extinction warnings spur a…

Sep 17 • Last Week in AI

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LWiAI Podcast #256 - Fable 5.1, Astra Tease, Gemini 3.8 Flash

Anthropic launches Claude Fable 5.1, OpenAI Is About (already has) to Release Its First AI Model With ‘Critical’ Cyber Abilities, OpenAI’s rogue AI…

Sep 9 • Last Week in AI

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Last Week in AI #343 - GPT-6, OpenAI’s agents chatted on a wiki, Fable 5.1

GPT-6 Astra Is Here, Discovery of a new OpenAI agent message board, Anthropic launches Claude Fable 5.1 and says it’s up to 45 percent cheaper for…

Sep 7 • Last Week in AI

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August 2026

LWiAI Podcast #255 - Gemini 3.7, Jalapeño, Qwen 3.8, Drones

Google announces Gemini 3.7 Flash, Jalapeño’s first results show industry-leading speed, A Drone Killed Three Ukrainians. It Was Guided Entirely by A.I.

Aug 31 • Last Week in AI

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1:43:40

Last Week in AI #342 - Last 3 Months in AI

The newsletter is finally back!

Aug 25 • Last Week in AI

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LWiAI Podcast #253 - Opus 5, Gemini 3.6, Kimi K3, Hugging Face Hack

Anthropic releases Opus 5 promising Fable 5-like capabilities, Google Releases Three New Gemini A.I. Models, and more!

Aug 3 • Last Week in AI

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July 2026

LWiAI Podcast #252 - GPT 5.6, Grok 4.5, Nemotron-Labs-Diffusion, AI 2040

GPT-5.6 and Grok 4.5, Meta's Muse Spark 1.1, regulatory developments in AI and data centers, interpretability research from Anthropic, and the future of…

Jul 21 • Last Week in AI

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Last Week in AI #251 - Mythos Back, Sonnet 5, Etched, LongCat

Trump lifts restrictions on Anthropic, Anthropic launches Claude Sonnet 5, Google's NotebookLM updates, chips stories from Etched and Baidu, and more!

Jul 21 • Last Week in AI

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