Anthropic on Monday sued the Trump administration for effectively blacklisting the AI firm after it sought to block the Pentagon from using its chatbot for mass surveillance and weaponry.

Add Yahoo as a preferred source to see more of our stories on Google. Washington -- Anthropic sued the Defense Department and other federal agencies on Monday over the Trump administration's move to designate it a supply chain risk and eliminate its use across the government, the latest chapter in a bitter dispute over the firm's powerful artificial intelligence model.

The feud between Anthropic and the Department of Defense ratcheted up on Friday after President Trump ordered all government agencies to immediately cease using the artificial intelligence startup's technology.