Credit: Getty / Andrew Harnik President Donald Trump ordered every U.S. federal agency to stop using technology from AI company Anthropic on Friday, February 27, posting the directive to Truth Social at 3:47 PM ET — more than an hour before the Pentagon's own 5:01 PM ET deadline for Anthropic to comply with its demands.

"The Leftwing nut jobs at Anthropic have made a DISASTROUS MISTAKE trying to STRONG-ARM the Department of War," Trump wrote in a Truth Social post.

Following a weekslong standoff with the company, Trump posted on Truth Social this afternoon that all federal agencies must “IMMEDIATELY CEASE all use of Anthropic’s technology,” adding: “We don’t need it,

In an unprecedented one-two punch against a big American firm, Mr Trump said he would immediately ban all American federal agencies from using Anthropic’s technology. Pete Hegseth, the secretary of war,

The Pentagon clash with Anthropic and Friday's severe response from Trump and Defense Secretary Hegseth highlights a growing war over who controls military AI.

OpenAI announced it secured a deal to provide artificial intelligence services to the Defense Department.

Defense Secretary Pete Hegseth deemed artificial intelligence firm Anthropic a supply chain risk on Friday, following days of increasingly heated public conflict with the AI company.

Trump ordered federal agencies to phase out Anthropic AI after the company resisted Pentagon demands for military use.

"We don't need it, we don't want it, and will not do business with them again," the president wrote in the post.

OpenAI secured a Pentagon deal, sparking backlash and shifting some users' loyalties to Anthropic's rival Claude chatbot.