Dario Amodei, the CEO of Anthropic, received a letter from Commerce Secretary Howard Lutnick on Friday, June 12th. By that evening, Anthropic had pulled Anthropic's most advanced AI models were pulled offline after a government directive cited vague national security concerns.

Anthropic disabled access to its Fable 5 and Mythos 5 models to comply with a government export control directive citing "national security authorities."

The government's abrupt removal of the AI models stunned the industry