Last Week in AI Last Week in AI

#244 - GPT-5.5 Instant, Grok 4.3, OpenAI vs Musk

May 11, 2026

Summary

Hosts Andrei Kurenkov and Jeremy Harris discuss Anthropic’s Mythos, defending its impact against skeptics while warning of future cyber and bio risks. They cover OpenAI’s GPT-5.5 Instant, analyzing its improved capabilities and the quirky "goblin" training anomaly. The episode also reviews new releases from xAI’s Grok and Mistral, plus Anthropic’s agent updates featuring self-improving "dreaming" and multi-agent orchestration.

Topics discussed

Intro ads and podcast welcome Anthropic's Mythos release and AI progress skepticism ChatGPT 5.5 capabilities and the 'gremlin' training bug New models: Grok 3, Mistral, and agent orchestration Elon Musk vs OpenAI drama and Siobhan Zilis interview Anthropic/SpaceX deal, valuation, and data center financing DeepSeek funding, Anthropic interpretability, and OpenAI MRC US Gov AI policy, DoD deployment, and Microsoft security Safety adapters, recursive transformers, and Connect4 AI
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