The US government's order for Anthropic to withdraw its most powerful artificial intelligence models has sparked a wave of criticism from both advocates and opponents of AI regulation.

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 suspended global access to Mythos 5 and Fable 5 AI models after a US Commerce Department directive citing national security cybersecurity risks.