on june 12 at 5:21pm eastern the us government cited national security and issued an export control directive ordering anthropic to suspend all access to its fable 5 and mythos 5 models by any foreign national; anthropic disabled both globally to comply. reporting then attributed the trigger to amazon's ceo, who personally contacted the treasury secretary with his own researchers' claims that fable 5 posed security risks — unusual because amazon is a major investor in anthropic, meaning a backer's chief executive set in motion a state shutdown of the company's frontier models.