Artificial Intelligence signage is displayed during the Mobile World Congress, the world’s largest mobile technology trade show, in Barcelona on March 3, 2025. Manaure Quintero/AFP
An artificial intelligence (AI) safety researcher has resigned with a cryptic warning that the “world is in peril.”
Mrinank Sharma, who joined large language model developer Anthropic in 2023, announced his departure on X in an open letter to colleagues on Feb. 9. He was the leader of a team that researches AI safeguards.
