Last Week in AI

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

OpenAI claims a Millennium Prize proof amid a feud with mathematicians, Anthropic's CEO calls to pace the frontier, extinction warnings spur a regulation push, and more!

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 model incident was worse than we thought

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.

The newsletter is finally back!

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

OpenAI publicly rolled out GPT-5.6 and rebranded its desktop coding product as ChatGPT Work; SpaceX AI launched Grok 4.5 as a low-cost coding model; Meta introduced Muse Spark 1.1, previewed Muse Video/Image (later backtracked); Chinese open-source models gained market share; Anthropic published interpretability research; infrastructure and policy updates including US energy regulator actions, China's potential model access restrictions, and the AI 2040 proposal for US-China coordination.

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

Anthropic's AI treaty discussions, US government's influence on AI model releases, OpenAI's processor development, memory market impacts, and more!

Exploring the Fable 5 ban, SpaceX’s strategic acquisition, and a burst of open source advancements

This episode covers Anthropic's Claude Fable 5 and its safety controversies, Apple's Siri AI announcement at WWDC, Google's Gemini 3.5 Live Translate and pricing changes, the IPO race among OpenAI, Anthropic, and SpaceX, Prometheus raising $12B, DeepSeek's funding, Huawei's post-training of DeepSeek models, Google paying SpaceX for GPUs, open-source releases Gemma 4 and DiffusionGemma, AI safety policy developments, and more.

This episode covers Anthropic's Claude Opus 4.8, Microsoft's MAI models, Anthropic's IPO filing, and the impressive Minimax-M3 model among other AI news.

This week's top AI news includes Elon Musk losing his $150 billion lawsuit against OpenAI, Google unveiling major AI updates at I/O 2026, OpenAI's AI solving an 80-year-old math problem, the Take It Down Act enforcement, and SpaceX planning to acquire coding startup Cursor after its IPO.

Google unveils Gemini 3.5 and Gemini Spark agent, plus Gemini Omni multimodal video generation; Elon Musk loses OpenAI lawsuit on statute of limitations; Anthropic agrees to $30B funding at $900B valuation; AI solves 80-year-old Erdős geometry problem.

This episode covers OpenAI's new voice intelligence API features, Thinking Machines' highly responsive real-time interaction model, Anthropic's Claude for Legal, Sam Altman's testimony, and other AI news from the past week.

The first week of the Musk v. Altman trial concluded with Musk's testimony dominating; OpenAI and Microsoft renegotiate their partnership, ending exclusivity; DeepSeek previews V4 models that narrow the gap with frontier models; Google DeepMind introduces Vision Banana, a unified model for image generation and visual understanding.

Our 243rd episode with a summary and discussion of last week’s big AI news, including OpenAI's GPT-5.5, xAI's Grok Voice Think Fast 1.0, DeepSeek V4 open source, Google's massive investment in Anthropic, and safety research on sabotage and document corruption.

A summary and discussion of last week's big AI news, including OpenAI's new image model, Alibaba's Qwen 3.6 Max, SpaceX-Cursor deal, and more.

OpenAI ships GPT-5.4 mini and nano with 400k context windows, faster but up to 4x pricier; Mistral open-sources Small 4 model; Meta’s Manus launches Mac agent; Nvidia unveils DLSS 5 and NeMo sandboxed runtime; plus safety and research updates.

DLSS 5 looks like a real-time generative AI filter for video games; OpenAI reportedly pivoting to a focus on business and productivity only; and more.

A summary and discussion of last week’s big AI news, including Perplexity's Personal Computer, Anthropic's code review tool, ChatGPT interactive visuals, Nvidia's Natron Free Super model, H200 halt for China, xAI cofounder departures, Anthropic lawsuit against Pentagon, and more.

Anthropic sues Trump administration over AI dispute with Pentagon; Musk's xAI restarts again; AI-generated fakes about war with Iran cause chaos online.

This episode covers OpenAI's release of GPT-5.4 Pro and GPT-5.3 Instant, Google's Gemini 3.1 Flash Lite, Luma's unified multimodal models, and the escalating controversy over Anthropic being labeled a defense supply chain risk.

The U.S. Department of Defense designates Anthropic as a supply chain risk, while OpenAI's military deal sparks a 'cancel ChatGPT' movement. Also, ChatGPT 5.4 is hinted.

The 235th episode of Last Week in AI covers Anthropic's Sonnet 4.6 with 1M context and strong ARC-AGI-2 results, Google's Gemini 3.1 Pro, xAI's Grok 4.2 beta, and various tool updates. Business news includes Meta's up-to-$100B AMD chip deal, MatX raising $500M, World Labs $1B, and Simile $100M. Research highlights deep-thinking tokens, masking updates, and LLM attractor states. Policy discussions focus on Anthropic's stance on Pentagon contracts and distillation attacks.