The AI giant Anthropic said Tuesday it will soon begin restoring global access to its most powerful artificial intelligence models, Fable 5 and Mythos 5, after the U.S. government lifted a restriction on where they could be released.

Over the past couple of weeks, the Trump administration has invoked national security concerns to limit the ability of major U.S. tech companies to release advanced models, including those from Anthropic, which some researchers feared could be exploited to bypass cybersecurity measures.

"We've received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5," Anthropic posted on X. "We'll begin restoring access tomorrow."

Just four days ago, the company said it had received authorization from the government to allow a small group of American cybersecurity firms to access Mythos 5.

Secretary of Commerce Howard Lutnick said in a June 26 letter to the company that "Anthropic has worked with the U.S. government to address risks associated with the Covered Models," Politico reported.