OpenAI CEO Sam Altman says advanced models are paused due to compute limits, with “trillions” in future data center plans and hints at a Chrome acquisition. GPT-5 outperforms doctors on complex exams with a warmer personality. Anthropic added safety to Claude Opus 4/4.1, letting it “hang up” on harmful chats. Google launched Gemma 3 270M for efficient on-device AI, and a leak suggests OpenAI is building a Chromium browser with ChatGPT Agent mode.

A brief introduction to the AI Deep Dive podcast.