Fetching from the wire…
Policy2026-09-21 · source-backed
Politico's account has the government testing Fable and Treasury approving release, then Amazon finding a jailbreak two days after launch, after which officials ordered Dario Amodei to fix it or take the model down. Amodei refused, the administration issued an export control, and the order lifted June 30 with Fable returning worldwide July 1. The resolution is the part builders should note: both sides ended up building a shared framework for grading jailbreak severity, with the administration conceding no model can be made completely jailbreak-proof. Severity grading beats binary pass/fail for the same reason the eval story above does.
Each link below shares sources, entities, or timing with this story.
Day 9 of the blackout, and the reporting finally caught up to the politics. According to Tom's Hardware, the export-control shutdown of Claude Fable 5 and Mythos 5 wasn't a cold bureaucratic move. White House AI adviser David Sacks says the administration asked Dario Amodei to...
Willison's August 2 roundup lays out "Open Weights and American AI Leadership" (July 24, Microsoft-shepherded, now 235 signatory companies including NVIDIA, Amazon, Y Combinator, the Linux Foundation, and OpenAI after initially abstaining); Anthropic's separate July 27 rebutta...
New reporting (June 17-18, via WIRED/Washington Post coverage) details the standoff behind the June 12 Claude Fable 5 / Mythos 5 suspension: SK Telecom's access was revoked, then an Amazon-filed vulnerability report triggered the global export ban. The administration, via Davi...
Simon Willison mapped them: Microsoft's "Open Weights and American AI Leadership" (July 24, 235 companies including NVIDIA, Amazon, Y Combinator and the Linux Foundation, with OpenAI signing later, explicitly endorsing distillation as legitimate); Anthropic's "Our Position on...
After a June 12 US export-control order pulled Fable 5 and Mythos 5 offline for nearly three weeks, Anthropic brought Fable 5 back once the order lifted. The order followed an Amazon report that Fable 5's safeguards could be bypassed to surface software vulnerabilities. Anthro...
paddo.dev makes the most contrarian read: the letter's substance isn't openness but paragraph nine, defending distillation as "a widely used technique for model improvement" and urging policymakers against "conflating legitimate model development techniques with misappropriati...
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