US Orders Anthropic to Globally Shutdown Fable 5 and Mythos 5: AI Export Control Escalates
On June 22, 2026, the US government ordered Anthropic to globally shut down its most advanced models, Fable 5 and Mythos 5, citing their autonomous cyberattack capability (ExploitBench 78.0%). This extends export controls from hardware to model weights, marking a new era of sovereign AI governance.
