Anthropic’s long-sidelined Fable 5 is greenlit to return

After weeks of negotiating with the Trump administration, Anthropic is finally going to be able to bring Claude Fable 5 back online. In a post on X, Anthropic said it plans to begin restoring access tomorrow.

We’ve received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5.

We’ll begin restoring access tomorrow, and will share an update soon.

We’re grateful to our users for their patience, and to everyone who worked with us on redeploying the models.

In early June, Anthropic sidelined Fable 5 — its consumer-facing model built the same underlying technology as Anthropic’s Mythos 5, but with more safeguards — after a Friday evening ultimatum from the Trump administration. Due to concerns over potential jailbreaks of the technology, the government had slapped Anthropic with an export control directive, disallowing any foreign national (including non-US members of enterprise client companies and even many of Anthropic’s own employees) from using either Mythos 5 or Fable 5, i.e., both the models that Anthropic had spent the last week hyping.

The Trump administration recently greenlit the return of Mythos 5, but to a pre-approved list of organizations only. Non-US members of those organizations, as well as Anthropic’s own foreign national employees, are now allowed to access the model. The decision came shortly after OpenAI unveiled GPT-5.6, which the Trump administration only allowed to debut under similar rules: a staggered rollout, initially to only a pre-approved list of organizations and government departments.

The initial export control directive by the Trump administration came at an inopportune time for Anthropic, as it’s preparing for an IPO and has been feuding with the government for months over a supply chain risk designation.