The Department of War has given Anthropic until 5 p.m. Friday to remove restrictions on how the military can use its AI, or face being labeled a national security threat.

Until this week, Anthropic was the only AI company cleared to deploy its models on classified networks. Elon Musk's xAI is now the second.

Anthropic, maker of Claude, has been clear that it has ethical concerns over unchecked government use of AI.