Dario Amodei, chief govt officer of Anthropic, on the AI Influence Summit in New Delhi, India, on Thursday, Feb. 19, 2026.
Ruhani Kaur | Bloomberg | Getty Photographs
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 acquired an order at 5:21 p.m. ET, instructing it to droop all entry to the fashions “by any international nationwide, whether or not inside or outdoors the USA, together with international nationwide Anthropic workers.”
Anthropic abruptly disabled the fashions for all of its clients with a purpose to guarantee compliance, however stated all of its different fashions won’t be affected.
The surprising 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 various completely different business benchmarks. Fable 5, specifically, marked the primary time that Anthropic launched such a sophisticated providing to the general public, due to new safeguards that block responses in particular high-risk areas.
The fashions constructed on the discharge of Claude Mythos Preview, which captivated Wall Avenue and authorities officers with its superior cybersecurity capabilities in April. The corporate stated it didn’t plan to make the mannequin typically out there, and it has restricted the rollout to a choose group of corporations as a part of a cybersecurity initiative referred to as Undertaking 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 clients for the disruption.
“As now we have acknowledged publicly, we consider the federal government ought to have the flexibility to dam unsafe deployments, as a part of a statutory course of that’s clear, truthful, clear, and grounded in technical information,” Anthropic stated. “This motion doesn’t adhere to these ideas.”
The announcement marks Anthropic’s newest run-in with the U.S. authorities after a high-profile conflict with the Division of Protection spilled into public view earlier this yr.
After negotiations between the 2 organizations collapsed, the DOD declared Anthropic a provide chain threat, which means the corporate purportedly threatens U.S. nationwide safety. The label has traditionally been reserved for international adversaries, and requires protection contractors to certify that they won’t use Anthropic’s Claude fashions of their work with the navy.
Anthropic sued the Trump administration in an effort to reverse its blacklisting, and litigation continues to be ongoing.
