U.S. Clears Anthropic’s Flagship AI Models After Security Pause

The U.S. government has lifted restrictions on Anthropic’s Fable 5 and Mythos 5 models, ending a brief national-security shutdown. After a partial reopening for select U.S. organizations, Washington’s latest decision allows wider commercial use, following new safeguards that aim to prevent misuse while preserving the strategic value of frontier artificial intelligence.