The U.S. government instructed Anthropic to prevent any foreign national from accessing the AI company’s latest and most powerful models Friday evening, according to the company. Anthropic, the company behind the popular Claude chatbot, said this directive forced it to disable access to Fable 5 and Mythos 5 for all customers — not just foreign nationals — to comply with the directive. “The US government, citing national security authorities, has issued an export control directive to suspend all