Anthropic said it plans to disable access to its latest top AI models, Fable 5 and Mythos 5 , following a government export control that would bar foreign individuals and entities from using the products. The company said in a blog post on Friday evening that it had received a letter from the US government at around 5:21 p.m. ET, citing national security concerns regarding Anthropic's models. Anthropic said the government's order included any foreign national inside or outside the US, "