The government is using export control law to force Anthropic to cut access to its most powerful models. The legal authority is plausible but the facts remain murky.

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…