Defense Secretary Pete Hegseth declared on X that any contractor or supplier doing business with the U.S. military is barred from commercial activity with Anthropic.
The announcement came after Anthropic executives refused to comply with the government’s demands over its model use. They wanted assurances that their AI would not be tapped for fully autonomous weapons or mass domestic surveillance of America.
Anthropic’s models are still being used to support the U.S. military operations in Iran, even after the announcement from the Trump administration, as CNBC previously reported.
It is better than GPT and Gemini but not great. Claude some US military contracts. At least to public knowledge.
https://www.cnbc.com/2026/03/04/pentagon-blacklist-anthropic-defense-tech-claude.html