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Trump Administration Allows Anthropic to Release Mythos to Select US Organizations
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The Trump administration has eased restrictions on Anthropic's advanced AI model Claude Mythos 5, allowing the company to grant access to over 100 US organizations including large corporations and government agencies. The partial reinstatement, announced in a letter from US Commerce Secretary Howard Lutnick to Anthropic cofounder Tom Brown, marks a shift from the earlier directive that halted broader availability. However, the government stopped short of permitting a full rollout and did not address the fate of Claude Fable 5, the consumer-focused version.
The decision comes roughly two weeks after the White House sent an export control directive requiring Anthropic to limit foreign nationals from accessing Mythos and Fable 5, prompting the company to disable access entirely. The Trump administration grew concerned after learning Anthropic had granted access to a South Korean telecommunications firm believed to have ties to China. Amazon and the National Security Agency separately raised concerns that Fable 5 could be jailbroken, leading officials to take action. In response, Anthropic sent senior cybersecurity and AI safety team members to Washington to meet with administration officials.
In his letter, Lutnick wrote that "appropriate safeguards are in place," noting that Anthropic has worked with the US government to address risks and "yielded significant progress." Approved organizations may now allow foreign national employees to access Mythos, and Anthropic may do the same for its own employees. Despite this, other requirements from the June 12 directive remain in effect, indicating ongoing oversight.
The partial reinstatement of Mythos 5 is a promising step but raises broader questions about US AI policy direction. Anthropic's spokesperson Eduardo Maia Silva expressed pleasure at the progress, stating the company is working to restore access to approved providers as quickly as possible. The company remains in discussions with the White House about restoring access to Fable 5, with talks expected to continue over the weekend. Both parties are hopeful that resolution of this incident will help inform a lasting policy framework.
Industry observers note that the episode signals a shift in government oversight of frontier AI models. Dean Ball, head of strategic futures at OpenAI and a former White House AI adviser, noted in a blog post that developers now "need an explicit green light from the government." This development underscores the growing tension between rapid AI advancement and national security concerns.
Looking ahead, the outcome of these discussions may set a precedent for how the US government regulates cutting-edge AI technologies. Already, OpenAI announced it was delaying the release of GPT 5.6 in response to a request from the Trump administration. Anthropic's battles with the White House have been costly for the young company, but getting Mythos 5 back online marks a promising step forward. The saga highlights the evolving relationship between AI developers and government regulators in an era of heightened geopolitical concerns.
