Alphabet reshuffles AI leadership as DeepMind chief steps back

Alphabet announced a leadership overhaul of its AI division, with Demis Hassabis stepping down as DeepMind CEO to become chief scientist, and several Gemini leaders, including veteran engineer Jeff Dean, leaving to found a startup. The changes come as Google's latest Gemini model remains unreleased despite a planned June launch, raising concerns it is falling behind rivals Anthropic and OpenAI, which recently hired two star Google AI researchers.