The AI Export War: How the US Blocked Anthropic's Most Powerful Models

The Announcement

On June 12, at 5:21 PM ET, Anthropic received a letter from the U.S. Department of Commerce. The directive was simple and brutal: immediately suspend all access to your newest, most powerful AI models—Claude Fable 5 and Claude Mythos 5—for any foreign national, anywhere in the world. That included paying enterprise customers, partners, and even Anthropic’s own non-U.S. employees. Faced with a choice between partial compliance and shutting everything down, Anthropic chose the...