Dario Amodei, chief government officer of Anthropic, on the AI Affect Summit in New Delhi, India, on Thursday, Feb. 19, 2026.
Ruhani Kaur | Bloomberg | Getty Photos
Anthropic on Friday introduced it is disabled entry to its Fable 5 and Mythos 5 synthetic intelligence fashions to adjust to an export management directive from the U.S. authorities that cited “nationwide safety authorities.”
The corporate stated it obtained an order at 5:21 p.m. ET, instructing it to droop all entry to the fashions “by any overseas nationwide, whether or not inside or exterior the US, together with overseas nationwide Anthropic staff.”
Anthropic abruptly disabled the fashions for all of its prospects with the intention to guarantee compliance, however stated all of its different fashions won’t be affected.
The sudden transfer comes simply days after Anthropic introduced Fable 5 and Mythos 5, two highly effective fashions that the corporate touted as state-of-the-art throughout a lot of totally different trade benchmarks. Fable 5, particularly, marked the primary time that Anthropic launched such a sophisticated providing to the general public, because of new safeguards that block responses in particular high-risk areas.
The fashions constructed on the discharge of Claude Mythos Preview, which captivated Wall Road and authorities officers with its superior cybersecurity capabilities in April. The corporate stated it didn’t plan to make the mannequin typically obtainable, and it has restricted the rollout to a choose group of corporations as a part of a cybersecurity initiative referred to as Venture Glasswing.
In its assertion on Friday, Anthropic stated the federal government didn’t present particular particulars about its nationwide safety concern. The corporate apologized to its prospects for the disruption.
“As we’ve got said publicly, we consider the federal government ought to have the power to dam unsafe deployments, as a part of a statutory course of that’s clear, honest, clear, and grounded in technical information,” Anthropic stated. “This motion doesn’t adhere to these rules.”

