Hassabis steps down as DeepMind CEO; Jeff Dean leaves after 27 years
Koray Kavukcuoglu takes over Gemini and Google's developer platforms; Dean's new lab Discovery Loop automates ML research; Gemini 4 is in training.
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Koray Kavukcuoglu now owns the Gemini API you build on
The former CTO becomes SVP of Google DeepMind, reporting directly to Sundar Pichai, and takes charge of Gemini model development, frontier research, the Gemini app, and Google's AI developer platforms. The person setting Gemini's roadmap, pricing, and API surface just changed — worth tracking if your stack leans on it.
Hassabis moves up to chair and Alphabet chief scientist
He steps out of day-to-day DeepMind to become Chair of Google DeepMind and Chief Scientist of Alphabet, focusing on AGI while continuing to lead drug-discovery unit Isomorphic Labs. Google's frontier bets are consolidating more tightly under Pichai.
Jeff Dean leaves Google to start Discovery Loop
After 27 years, Dean co-founds Discovery Loop, a public-benefit corp automating ML and scientific research, alongside Sanjay Ghemawat, Oriol Vinyals, and Quoc Le. Alphabet is a founding investor and cloud partner, and the lean, in-person team is already hiring.
Gemini 4 is training to close the gap
Hassabis cited progress on Gemini 4, reported as a much larger foundation model now in training and Google's answer to competitive pressure from OpenAI and Anthropic. No date or specs yet — but it's the model your Gemini integrations will eventually inherit.