Anthropic previously rejected the Pentagon’s request for unrestricted access to its Claude models.

Pages from the Anthropic website and the company’s logos are displayed on a computer screen in New York on Feb. 26, 2026. AP Photo/Patrick Sison
Anthropic said on March 5 that it had received a letter from the Department of War notifying the company that it had been designated a supply chain risk to national security.
The designation would restrict the Pentagon and its contractors from using Anthropic’s artificial intelligence technology in their work for the U.S. military.


