Workers at OpenAI and Google have stepped up to back Anthropic in a dispute with the U.S. Department of Defense over artificial intelligence usage, according to Law360.

The unusual show of cross-company solidarity puts employees of two of Anthropic's fiercest commercial rivals on the same side of an argument involving how AI tools are deployed within the nation's military apparatus. The specific terms of the disagreement between Anthropic and the DOD have not been detailed in the available source material, but the employee backing signals that the concerns at stake resonate broadly across the AI industry.

The involvement of workers — rather than just executives or lobbyists — is notable. Rank-and-file employees at major AI labs have increasingly used collective voice to weigh in on how their companies' technology is used, particularly in sensitive government and defense contexts.

This matters because the relationship between AI companies and the Pentagon is still being defined, and how these disputes get resolved will set precedents for what oversight, ethical constraints, and contractual limits look like as AI becomes more deeply embedded in national security work.