The Commerce Department letter dated Friday doesn’t mention any change to its restrictions on use of the Fable 5 model.

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

The US government on Friday allowed Anthropic to release its powerful Claude Mythos 5 AI model to some "trusted partners", according to a Commerce Department letter seen by…

Anthropic's Mythos 5 AI model gains US approval for broader use after addressing national security concerns, easing previous restrictions.

Anthropic had abruptly disabled its most advanced AI models - Mythos 5 and Fable 5 - for all users after the government's June 12 export control order.