"Anthropic said on Friday it will 'abruptly disable' its most advanced AI models for all users,"
reports Reuters, "after the U.S. government ordered it to suspend access to the models for foreign nationals, citing national security concerns. The company received the export control directive to suspend access to Fable 5 and Mythos 5 for all foreign nationals, without being given specific details of its national security concern, Anthropic said in a statement."

Anthropic's blog post writes that the directive applies to foreign nationals "whether inside or outside the United States, including foreign national Anthropic employees. The net effect of this order is that we must abruptly disable ...