U.S. Government Broadens Scrutiny of Advanced AI Models

The U.S. government issued export-control directives forcing Anthropic to take its latest models offline and prompting OpenAI to postpone GPT-5.6's release after White House officials raised security concerns. The actions expand U.S. export and model-access controls with international and talent-policy consequences.

AP reports that the U.S. government issued export-control directives that forced Anthropic to take its latest models Fable 5 and Mythos 5 offline to prevent foreign-nationals' access. Fortune and the Wall Street Journal report the escalation began after Amazon researchers found a documented jailbreak and Amazon CEO Andy Jassy raised the finding with White House officials. Gizmodo, citing The Information, reports OpenAI postponed a general release of GPT-5.6 after requests from the Office of National Cyber Director Sean Cairncross and the Office of Science and Technology Policy led by Michael Kratsios ; Gizmodo also reports an internal memo from Sam Altman saying the government will vet access "customer by customer" during a staggered rollout. Industry coverage frames these moves as a broader expansion of U.S. export and model-access controls with international and talent-policy consequences.