The remarks at a recent private fundraising event come as growing numbers of US lawmakers call for tougher rules on AI systems after dire warnings from two Anthropic researchers that rapid industry progress risks extinction of the human race.

U.S. lawmakers this week called for new rules to govern AI, after an Anthropic researcher went public with his concerns about the technology escapi...

The reaction was broader than after previous statements from OpenAI and Anthropic staffers about safety concerns, drawing input from lawmakers who do not often forcefully engage…