Several key researchers have left Google DeepMind, including Noam Shazeer, co-lead of the Gemini project and co-author of the famous 2017 paper on transformers, as well as Nobel laureate John Jumper, creator of AlphaFold. Alphabet’s stock fell approximately 5% on June 22, 2026, its worst single-day performance in over a year. Shares have declined approximately 15% since mid-May, representing a loss of 225 to 270 billion dollars in market capitalization. A 2025 analysis revealed that DeepMind engineers were nearly 11 times more likely to join Anthropic than the reverse, suggesting a one-way talent pipeline flowing directly toward a competitor.
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