The U.S. government has authorized Anthropic to provide its Mythos 5 model to a limited group of around 100 companies and federal agencies, easing restrictions imposed earlier this month on the company’s most advanced AI systems.
Commerce Department Eases Restrictions On Mythos 5
According to a letter seen by CNBC, U.S. Commerce Secretary Howard Lutnick said “appropriate safeguards are in place” to allow selected trusted partners to access Claude Mythos 5.
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The decision follows two weeks of discussions between Anthropic and the Trump administration over access to the company’s latest models, Mythos 5 and Fable 5.
For now, the authorization applies only to Mythos 5. Restrictions on Fable 5 remain in place.
A Narrow Opening, Not A Full Reversal
Addressed to Anthropic co-founder Tom Brown, the letter follows reports that he has led discussions with the White House after CEO Dario Amodei stepped back from direct negotiations.
Earlier this month, Anthropic suspended access to both models after receiving an export-control directive requiring the company to block access for all foreign nationals, including its own employees, regardless of whether they were inside or outside the United States.
Those restrictions came shortly after Anthropic introduced the two models. At launch, the company described them as state-of-the-art across multiple industry benchmarks, with Fable 5 including additional safeguards for high-risk applications.
OpenAI Moves Faster On Broader Rollout
On the same day, OpenAI introduced three new AI models, saying access would initially be limited to a small group of trusted partners in line with a request from the U.S. government.
The company said it plans to make GPT-5.6 Sol, Terra and Luna more broadly available in the coming weeks and confirmed that government officials had been briefed on the models before their release.
Anthropic’s Tense Relationship With Washington
Relations between Anthropic and the Trump administration have become increasingly strained this year.
Earlier, the Department of Defense designated the company a supply chain risk following disagreements over the use of its AI models, preventing certain defense contractors from using Claude models in military-related work.
Anthropic is challenging that designation in court, and the case remains ongoing.
