Krux
March 21, 2026
Pentagon Bans Claude, Gives Defense Vendors 180 Days
Published: March 21, 2026 at 12:39 AM
Updated: March 21, 2026 at 12:39 AM
100-word summary
The Pentagon just labeled Anthropic a supply-chain risk and ordered a six-month phase-out of Claude across all DoD systems, including classified networks where it was among the first AI tools deployed. Defense contractors must now certify they're not using Claude in Pentagon work. The replacement plan sounds optimistic: switch to OpenAI and Google Gemini with minimal disruption because the models work similarly. But industry observers aren't buying the timeline at military scale, warning transitions will vary wildly by system and mission. The directive came from the Trump administration, which apparently decided diversifying beyond one AI vendor was worth ripping out software already running on secret networks.
What happened
The Pentagon just labeled Anthropic a supply-chain risk and ordered a six-month phase-out of Claude across all DoD systems, including classified networks where it was among the first AI tools deployed. Defense contractors must now certify they're not using Claude in Pentagon work. The replacement plan sounds optimistic: switch to OpenAI and Google Gemini with minimal disruption because the models work similarly. But industry observers aren't buying the timeline at military scale, warning transitions will vary wildly by system and mission.
Why it matters
The directive came from the Trump administration, which apparently decided diversifying beyond one AI vendor was worth ripping out software already running on secret networks.