Fable 5 Lands and Then Gets Pulled, Plus Deeper Sub-Agent Trees

Claude Fable 5 was available for three days before a US export directive forced Anthropic to suspend access. Sub-agents can now nest five levels deep, a new safe mode flag helps isolate config problems, and the New York Times, Wall Street Journal, and Axios all cover the export story from different angles. In this episode: (00:00) Introduction (00:45) Claude Code Updates (03:22) Under the Hood (04:25) In the News Further reading: Claude Fable 5 and Claude Mythos 5 (Anthropic News) Statement on the US government directive to suspend access to Fable 5 and Mythos 5 (Anthropic News) Classifier fallback cookbook (Anthropic Cookbooks) U.S. Bars Foreigners From Using Anthropic's Most Advanced A.I. Models (New York Times) Amazon CEO's Talks With U.S. Officials Triggered Crackdown on Anthropic Models (Wall Street Journal) The AI Price War Is Here, Piling Pressure on OpenAI and Anthropic (Wall Street Journal) Anthropic Says Mythos can turn software patches into exploits in minutes (Axios) Claude Notes Brief is a weekly podcast covering Claude Code updates and Anthropic news. Subscribe at claudenotes.co.