The US government restrictions cite national security concerns over the AI models Fable 5 and Mythos 5.

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…

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…