Claude Fable 5 Shutdown: Why the US Government Suspended It for 19 Days
For 19 days, one of the world's most advanced AI models simply didn't exist for anyone outside a handful of approved US organizations — and most users had no idea why. Claude Fable 5 , Anthropic's flagship model, went dark on June 12, 2026, after the US government slapped export controls on it just three days after launch. It came back online on July 1. In between, an entire industry watched an AI company get treated like a defense contractor overnight. So what actually happened here, and why should anyone outside Anthropic's engineering team care?