Hassabis became chair of Google DeepMind and Alphabet's chief scientist on August 5, 2026, and Koray Kavukcuoglu now runs it day to day as SVP reporting to Sundar Pichai.
Fortune's reporting, based on anonymous staff, ties the shake-up to delayed Gemini models, low morale and a run of senior exits; Google disputes parts of it.
Jeff Dean, Sanjay Ghemawat, Oriol Vinyals and Quoc Le left to found Discovery Loop, reportedly in talks at a $50 billion valuation, with Alphabet as investor and cloud partner.
Do not plan around Gemini 3.5 Pro until it appears in the API model list; we could not confirm a release after mid-August.