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.

The AI giant’s CEO Dario Amodei and Defense Secretary Pete Hegseth have contrasting personalities and worldviews.

The company's Claude chatbot is one of the few AI systems cleared for use in classified settings. But a standoff between Anthropic and the Trump administration is putting its government work at risk.

The Pentagon said Anthropic and its Claude AI model are no longer welcome, letting OpenAI and Grok fill the gap in DOD classified systems.

A high-stakes dispute over how the U.S. military uses artificial intelligence has led the Pentagon to cancel its contract with rising AI star Anthropic.

Pete Hegseth gave Anthropic CEO Dario Amodei until Friday to grant the Pentagon unrestricted access to Claude or face losing its defence contract and a government blacklist designation.

The OpenAI rival has options in its showdown with the Pentagon.

Sen. Elizabeth Warren (D-Mass.) on Friday accused President Trump and Secretary of Defense Pete Hegseth of attempting to “extort” the company Anthropic into removing guardrails for its AI programs. Warren,

Trust is breaking down between the Pentagon and Anthropic over the use of its AI model, sources familiar with the situation told CBS News.

The Pentagon had kept trying to leave itself little escape hatches in the agreements that it proposed to Anthropic. It would pledge not to use Anthropic’s AI for mass domestic surveillance or for fully autonomous killing machines,