Trump admin lifts export controls on Anthropic's Claude Fable 5
The Trump administration has lifted export controls on Anthropic's Claude Fable 5 and Mythos 5 AI models, Anthropic said Tuesday evening. The Department of Commerce decision ends a standoff that froze two of the company's most advanced systems and clears the way for Anthropic to begin restoring access starting Wednesday.
Anthropic confirmed the news in a statement: "We've received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5." The company added it would "begin restoring access tomorrow, and will share an update soon."
Key Takeaways
- The U.S. Department of Commerce lifted export controls on Claude Fable 5 and Mythos 5 on Tuesday, June 30.
- Anthropic disabled both models in mid-June after a national-security directive barred access by any foreign national.
- Commerce Secretary Howard Lutnick said the government worked with Anthropic for two weeks to approve Fable 5.
- Mythos 5 access was partially restored last week for select government-approved partners before the full lift.
- Tech executives warned the export crackdown may have given Chinese open-source AI developers more time to catch up.
Why did the Trump admin lift export controls on Fable 5?
The announcement capped weeks of negotiations between Anthropic and the Trump administration. Commerce Secretary Howard Lutnick posted on X shortly before Anthropic's statement, saying his office had "worked closely with Anthropic to analyze and approve Fable 5 to ensure alignment across the US Government and strengthen America's leadership in AI."
Anthropic thanked users for their patience in a post on X and said it was grateful to everyone who helped redeploy the models. The move follows a June 26 decision that let Anthropic release Mythos 5 to a select group of companies and federal agencies that Lutnick described as "trusted partners" with "appropriate safeguards" in place, according to CNBC.
What forced Anthropic to disable Fable 5 in June?
Anthropic pulled Fable 5 and Mythos 5 offline in mid-June to comply with a Commerce Department export control directive citing "national security authorities." The company said it was ordered to suspend all access "by any foreign national, whether inside or outside the United States, including foreign national Anthropic employees."
Because Anthropic could not verify user nationality in real time, it disabled customer access to both models entirely. CNN reported that the ban followed a finding from a trusted partner, which it identified as Amazon, that a jailbreak could bypass Fable's guardrails. Anthropic said at the time that the jailbreaks were "simple" and that "other publicly-available models" had similar work-arounds.
What is Claude Fable 5 and why does it matter?
Fable is a consumer-ready version of Anthropic's Mythos-class AI model, built with extra guardrails for public use. Mythos has drawn attention for advanced cybersecurity capabilities, and experts say it can exploit software vulnerabilities at an unprecedented pace. Anthropic initially limited Mythos releases to key partners to help secure critical software.
The export ban and negotiations highlighted ongoing regulatory uncertainty around frontier AI, even as models advance faster than existing rules. For more on how AI policy and innovation are colliding, see our Future Tech & AI Wonders coverage.
What happens next for Claude Fable 5 users?
Anthropic said it would begin restoring access to Fable 5 on Wednesday, July 1, with further updates to come. Neither Anthropic nor the Commerce Department publicly detailed what specific changes cleared Fable 5 for release.
CNBC reported that Anthropic co-founder Tom Brown led negotiations with the administration after the company received the June 12 directive. The episode has raised broader questions across the AI industry about how the government will evaluate frontier models before wide release.