OpenAI signs Pentagon classified network deal after Anthropic ban

The US government banned Anthropic's Claude from federal use and designated it a supply-chain risk after the company refused unconditional military application terms, while OpenAI secured a deal to deploy its models on classified Pentagon networks with explicit safeguards barring mass domestic surveillance and autonomous weapons. This imposes regulatory constraints on non-compliant frontier labs and expands secure government deployment pathways for compliant providers. The event matters as it directly alters governance frameworks for AI in national defense, evidenced by Trump's directive, the Pentagon's Defense Production Act threat, and OpenAI's confirmed safeguards mirroring Anthropic's principles.