Anthropic said Friday it has suspended access to two powerful AI models, Fable 5 and Mythos 5, to comply with a US national security order.

The U.S. government ordered Anthropic to pull Fable 5 and Mythos 5 over national security concerns just days after its CEO called for exactly this kind of oversight.

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…