Another change urged by lawmakers and industry witnesses alike was requiring disclosure to inform people when they’re conversing with a language model and not a human, or when AI technology makes important decisions with life-changing consequences. One example could be a disclosure requirement to reveal when a facial recognition match is the basis of an arrest or criminal accusation.

The Senate hearing follows growing interest from US and European governments, and even some tech insiders, in putting new guardrails on AI to prevent it from…