Technology & Science

U.S. Reverses June Export Ban, Restores Anthropic’s Fable 5 & Mythos 5 AI Models

Commerce withdrew its 12 June export-control order on 30 June, letting Anthropic relaunch Fable 5 to the public and Mythos 5 to vetted U.S. users beginning 1 July 2026.

By Underlines Team

Focusing Facts

  1. The suspension lasted 18 days, during which Anthropic completely disabled both models worldwide because it could not screen foreign nationals in real time.
  2. Secretary of Commerce Howard Lutnick’s 30 June letter conditions the reversal on Anthropic’s new jailbreak classifier and mandates ongoing reporting, with the department reserving the right to re-impose a license at any time.
  3. Mythos 5 access remains restricted to roughly 100 pre-approved U.S. critical-infrastructure organizations, while Fable 5 returns to general subscribers under usage caps until 7 July.

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