The administration ordered Anthropic to block any foreign nationals, whether inside or outside the U.S., from using its latest models, Fable 5 and Mythos 5, the company said in a blog post on Friday. In response, Anthropic said it would disable access to the models globally.

The company said it received the export control directive on Friday from the government.

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…