White House and Anthropic start drafting AI model security benchmarks after Fable 5 clash
The White House and Anthropic are now working on a framework to grade jailbreak and security flaws in frontier AI models after the Fable 5/Mythos 5 export-control clash. Readers learn what benchmark dimensions are reportedly under discussion, why Anthropic still disputes the government's evidence, and why the outcome could shape pre-release scrutiny for other AI labs.
The White House and Anthropic have moved their Fable 5 dispute into a standards exercise: the two sides are working on a framework to grade security flaws in new AI models and decide when government intervention is warranted, according to POLITICO. The talks follow export controls that forced Anthropic to suspend Fable 5 and Mythos 5 after officials said they were worried about a jailbreak risk. 1
Dario Amodei attended the G7 leaders' working lunch on innovation and AI in Evian-les-Bains, France, as the Anthropic-White House dispute moved into standards talks. 1
What changed in the talks
The new framework is meant to create common benchmarks for future jailbreak disputes. POLITICO reports that the proposed tests would look at how far safeguards were bypassed, what capabilities were exposed, and the practical consequences of the breach. Anthropic's side is being led by Sarah Heck, head of public policy, and Tom Brown, co-founder. 1
That is a shift from last week, when the fight was still centered on whether Fable 5 should remain deployed. POLITICO says talks had effectively collapsed after Anthropic rejected demands to take down Fable, arguing that the vulnerability was limited and did not amount to a meaningful security flaw. The White House then imposed export controls barring foreign users, which forced Anthropic to pull the models more broadly. 1
Anthropic's position
Anthropic's public statement remains that the government's evidence did not show a broad jailbreak. The company said it had received only verbal evidence of a "narrow, non-universal jailbreak" and argued the demonstrated capability was widely available in other public models. 2
The most direct Anthropic quote is still blunt: "We disagree that the finding of a narrow potential jailbreak should be cause for recalling a commercial model deployed to hundreds of millions of people." The company also said a similar standard, if applied across the field, would "essentially halt all new model deployments for all frontier model providers." 2
Where this leaves Fable 5
The export controls have not been lifted. WIRED reported earlier this week that Monday talks ended without restoring access, while an Anthropic spokesperson said, "Both parties are working quickly to get this resolved." 3
For competitors, the standards track matters more than this single model. WIRED reported that AI lab leaders now expect advanced labs to give the White House early access to frontier models and keep officials closely informed before launches. Cohere CEO Aidan Gomez told WIRED that the weekend showed the U.S. government was willing to take these steps: "No one can be naive to that reality." 3
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