New Delhi, March 12 -- Tensions between Anthropic and the US Department of Defense have intensified after the Pentagon labelled the AI startup a "supply chain risk", effectively barring the use of its models in defence-related work.

The remarks followed Anthropic's refusal to back down over safeguards which prevent its technology from being used to conduct US domestic surveillance and to programme autonomous weapons which can hit targets without requiring any human intervention.

The dispute prompted the Claude-maker to file a lawsuit against the US Department of Defense, arguing that the Trump administration's declaration of the company as a US supply-chain risk could significantly hurt its business.

According to a Bloomberg report, An...