Last Week in AI Last Week in AI

#251 - Mythos Back, Sonnet 5, Etched, LongCat

Jul 9, 2026 · 1h 30m

Summary

Hosts Andrei Kurenkov and Jeremy Harris discuss the US government lifting restrictions on Anthropic’s Fable 5 model after new safety classifiers were added, while OpenAI’s GPT 5.6 remains delayed. They analyze Anthropic’s new Claude Sonnet 5, Etched’s successful chip tape-out, and Baidu’s AI chip unit targeting a massive IPO. The episode also covers Agility Robotics’ SPAC merger and DeepSeek’s significant hiring expansion in China.

Topics discussed

Intro, hosts, and Cisco sponsorship on AI safety Trump lifts Anthropic restrictions and US AI policy Anthropic Claude Sonnet 5 release and benchmarks Etched AI chip startup and infrastructure news Chinese AI IPOs: Biren, Agility Robotics, and DeepSeek DeepSeek V3 technical deep dive and sparse attention Pricing pressure from Chinese models on Western AI New benchmarks for AI agents and coding tasks Supermicro indictment and AI chip export controls Synthetic data generation and reinforcement learning AI in film, music streaming, and episode wrap-up
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