How Trump officials pushed Anthropic to shut down the world’s most powerful AI models

Anthropic says it was forced to shut down access to its new Claude Fable 5 and Claude Mythos 5 AI models after the Trump administration issued a broad warning against use of the models by foreign nationals. The warning, from the Commerce Department, would have banned even many of Anthropic’s own employees from using or working on the models. That dramatic result came after a multiday back-and-forth involving numerous administration officials and input from tech industry leaders. The effects of the government’s effectively shutting off access to one company’s AI models could have profound implications for future AI policy. What follows is a timeline of the events that led to the effective ban on Anthropic’s Mythos-class models. Thursday night (June 11) Thursday evening: Amazon raises concerns with Trump administration officials Amazon, Anthropic’s biggest investor, contacted senior White House and administration officials, saying its researchers had identified what they believed was a way to coerce, or “jailbreak,” the Fable 5 and Mythos 5 models into assisting users with risky cybersecurity questions. Anthropic released the models with safeguards designed to prevent responses to such queries. Axios reported that at least five other tech companies raised similar concerns with administration officials around the same time. Late Thursday night: Administration begins treating the issue as urgent White House and Commerce Department officials took Amazon’s concerns seriously, worrying that foreign bad actors might bypass Anthropic’s security guardrails and use the models to identify and exploit software vulnerabilities, Axios reported. The White House began trying to contact Anthropic, asking for an immediate reply. Friday morning (June 12) Friday morning: White House and Commerce officials engage Anthropic Administration officials reportedly spent hours Friday trying to convince Anthropic to voluntarily shut off access to the Fable 5 and Mythos 5 models. It’s uncle