The US government has ordered Anthropic to halt access for foreign nationals to its Fable 5 and Mythos 5 artificial intelligence models. This directive stems from national security concerns. Anthropic believes there may be a misunderstanding and is working to restore access. Other Anthropic models remain unaffected by this order.

Anthropic said it received a government directive banning all foreign nationals, even those working at Anthropic, from accessing Fable 5 and Mythos 5 over national security…

Anthropic said it disabled access to its Fable 5 and Mythos 5 models to comply with an export control directive from the U.S. government.