Trump Lifts Export Controls on Anthropic's Fable 5
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- Trump administration lifted export controls on Anthropic's Claude Fable 5 AI model Tuesday evening, with customer access returning Wednesday after an 18-day freeze.
- Fable 5 was pulled after officials flagged a jailbreak vulnerability; Anthropic says its new safeguard now blocks that jailbreak 99% of the time, with Commerce's Center for AI Standards and Innovation testing both the old and new defenses.
- Commerce Secretary Howard Lutnick said his office "worked closely with Anthropic to analyze and approve Fable 5" to "ensure alignment across the US Government and strengthen America's leadership in AI."
- White House chief of staff Susie Wiles wrote on X that the government and private sector had "worked together in a way we have never seen before," calling the arrangement a foundation of "America First."
- OpenAI's GPT-5.6 was rolled out last week only to a small set of approved customers after a U.S. government request, mirroring the same pre-release coordination now applied to Anthropic's Mythos 5.
- China is producing its own Mythos-class competitor — with 360 Security claiming it has developed matching tools — while continuing to release open-weight models like GLM 5.2 that rival Anthropic's Claude Opus 4.8.
- An August executive-order deadline forces the Trump administration to create standardized benchmarks for evaluating frontier AI security risks, the piece notes — the next test of whether the ad hoc approach becomes permanent.
Why it matters: AI developers regain access to Fable 5 after an 18-day freeze, but the gatekeeping model — also now applied to OpenAI's GPT-5.6 and Anthropic's Mythos 5 — means U.S. frontier releases remain dependent on case-by-case government approval until an August executive-order deadline forces a standardized framework, even as China's 360 Security claims to match Mythos-class capability.
