AI Research chief leaves OpenAI as Altman battles Pentagon fallout OpenAI's CEO spent the week answering concerns about the deal after the Pentagon's guardrails spat with Anthropic. Noah Bovenizer Mar 04, 2026 - 3 min read Image credit: https://unsplash.com/@mantashesthaven Get the full story: Subscribe for free Join peers managing over $100 billion in annual IT spend and subscribe to unlock full access to The Stack’s analysis and events. Subscribe now Already a member? Sign in