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Two weeks since Anthropic took its Mythos-class models offline after a Trump administration ultimatum, negotiations are still dragging on, with no resolution.
It’s been two weeks since Anthropic took its Mythos-class models offline after a Friday evening ultimatum from the Trump administration. The company sprang into action immediately, sending a barrage of executives to Washington, DC. But updates have been suspiciously lacking, with no resolution in sight.
Anthropic declined to comment multiple times this week about the state of the talks, saying there was no news to share. But the lack of news is the story here. After 14 days of high-intensity negotiations, nobody knows when or if Anthropic’s most powerful AI models will come back, let alone whether President Trump could expand his order to more companies with similar tech. And the more days pass without any resolution, the more dire things become — not just for Anthropic, but for the entire US AI industry.
The Trump administration’s June 12th export control order demanded that Anthropic suspend access by “any foreign national” to Mythos 5 and Fable 5 due to security concerns. This ban covered any non-US citizen inside or outside the US, including ones employed by Anthropic. So far, Anthropic has concluded that its only option is to keep these models offline.
It’s not clear exactly why Anthropic and the administration remain at an impasse. One problem may be that there’s no clear framework for applying export controls to AI systems. Most companies making dual-use products — civilian systems with potential defense or military uses — can evaluate them using what’s essentially a checklist during the manufacturing and production process. Anthropic, however, is facing a complicated bureaucracy figuring out how to apply its rules from first principles.
This particular export control process can normally unfold over months, if not years, and conclude before a product reaches market. But as The Verge previously reported, the US Department of Commerce apparently tested Fable 5 before release and raised no complaints. A source familiar with negotiations said Anthropic concluded its models were safe to release. The agency apparently didn’t act until someone (reportedly Amazon CEO Andy Jassy) flagged a method for seemingly breaking Fable 5’s guardrails — at which point the whole process was crunched into a few days.
Katie Moussouris, the founder and CEO of Luta Security, viewed a report about the Fable 5 vulnerability at Anthropic’s request. She thinks it’s significantly overblown. In a blog post, Moussouris detailed how researchers jailbroke guardrails that prevent Fable 5 from finding exploitable security holes, one of the unfettered Mythos 5’s scariest capabilities. The model would refuse requests to review code “for security issues,” but it would accept demands to “fix this code” followed by manual prompts, which could theoretically lead to it flagging vulnerabilities it wasn’t supposed to divulge.
