U.S. lifts export controls on Anthropics Fable 5 and Mythos 5 AI models

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U.S. lifts export controls on Anthropics Fable 5 and Mythos 5 AI models
Trump administration lifts ban on Anthropics AI model for trusted US firms
The Trump administration lifted export controls on Anthropic’s most advanced AI models, Fable 5 and Mythos 5, on Wednesday, ending a weeks-long freeze that had blocked global access to the systems. The U.S. Department of Commerce confirmed the move, allowing Anthropic to restore full availability of the models to all users, including foreign nationals, effective immediately . The decision reverses a June 12 directive that had restricted access under national security grounds, a policy that had forced Anthropic to suspend service for international users .
Anthropic announced it would begin reinstating access to Fable 5 and Mythos 5 on July 1, following the Commerce Department’s announcement. The company had previously restricted access to the models after the White House ordered a halt to foreign use, citing concerns over potential misuse of advanced AI capabilities . The reversal comes just days after reports suggested the administration was preparing to ease restrictions, with Politico noting the change would enable Fable 5 to return to general users .
The models, which Anthropic describes as among the most powerful in the industry, have been compared to “digital nuclear weapons” by CIA Director John Ratcliffe, who warned of their potential for misuse in a rare public statement . The lifting of controls follows intense debate within U.S. intelligence agencies, where some officials had resisted a White House plan to compile a centralized list of foreign espionage threats, citing risks of leaks and national security breaches .
Anthropic also used the moment to unveil Claude Science, a new product designed to autonomously support scientific research, positioning itself as a leader in both cutting-edge AI and applied innovation . The company’s rapid pivot from restriction to expansion underscores the volatile landscape of AI governance, where geopolitical tensions and technological ambition collide. With the models now back online, researchers, developers, and enterprises worldwide can resume work with tools that were, until recently, off-limits.
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