The hypothetical nuclear attack that escalated the Pentagon's showdown with Anthropic

As a standoff between artificial intelligence firm Anthropic and the Pentagon deepened this week, the two sides offered starkly different accounts of a key discussion about a hypothetical nuclear strike against the United States, revealing the intensity of their showdown over the American military's potential use of lethal autonomous weapons.

A defense official said the Pentagon's technology chief whittled the debate down to a life-and-death nuclear scenario at a meeting last month: If an intercontinental ballistic missile was launched at the United States, could the military use Anthropic's Claude AI system to help shoot it down?