Mythos will get around.
Back in March, news arose that the US Donald J. Trump administration had ‘blacklisted’ AI Anthropic for being a National Security risk.
Later in May, the administration moved to forbid Anthropic’s plan to expand the Mythos AI Tool for the same reason.
Today, the US has partially scrapped its export ban on Anthropic’s most advanced artificial intelligence model.
Politico reported:
“The release clears the way for a select group of more than 100 companies and agencies to gain access to the Mythos 5 model, two weeks after the administration imposed restrictions, amid fears that the software could be used to launch cyberattacks. But a second advanced Anthropic model, called Fable 5, remains blocked.
Meanwhile, pressure from the White House led Anthropic’s leading competitor, OpenAI, to limit the release of its most advanced model this week because of similar cyber concerns.”
Since June 12, we’ve been working closely with the US government to restore access to Claude Mythos 5 and Fable 5. Today, the government notified us that Mythos 5, our strongest cybersecurity model, can be redeployed to a set of US organizations that operate and defend critical…
— Anthropic (@AnthropicAI) June 27, 2026
Trump signed an executive order rejecting mandatory federal controls on AI, asking tech companies to submit new models to a voluntary government review before making them available.
“Conversations between Anthropic and the administration are expected to continue through the weekend on restoring access to Fable, according to a person who was granted anonymity to describe the private discussions.”
“The conversations have also focused on determining a standardized framework to evaluate cases of suspected security bypasses in the future, the person said, beyond just addressing the recent episode.”
Read more from June 13th:
U.S. Orders Anthropic to Disable Its Latest AI Model for Foreign Users Over Security Concerns
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