The Department of War announced on August 31 that ChatGPT Mil and Grok for Government are live on GenAI.mil, the Pentagon's enterprise generative AI platform, per Military Times. Both hold Impact Level 5 accreditation for Controlled Unclassified Information. Grok arrives through Starshield AI and reaches more than 1.7 million personnel out of a workforce near 3 million, per NOTUS. They join Google's Gemini, on the platform since its December launch, per DefenseScoop.
Impact Level 5 covers Controlled Unclassified Information whose unauthorized disclosure could cause serious harm to national security. That clears the models for real work on sensitive material, a materially higher bar than the pilots most agencies have run. IL5 stops short of classified systems. The 1.7 million figure describes reach across the workforce.
Three frontier models on one platform is a deliberate hedge against vendor lock-in. It matches a pattern we have tracked all year: Apple routing Siri through Gemini, Microsoft building the MAI family to reduce dependence on OpenAI, and enterprises designing for model portability after Commerce forced Anthropic's models offline in the spring.
Anthropic is absent for a legal reason. The Department designated it a supply-chain risk after the company insisted on contract terms barring its models from mass surveillance of Americans and from lethal autonomous weapons, a designation that effectively cut it off from federal contracts. A federal judge struck that designation down in late August, ruling the government had unlawfully retaliated. The case now tests how far the government can go in penalizing a vendor for safety limits written into its own contracts.
Bottom Line
IL5 accreditation and 1.7 million personnel with access make this a production deployment. Watch the Anthropic litigation, because it will define how far the government can penalize a vendor for the safety limits in its own contracts.