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Sergey Brin Returns to Google, Critiques AI Underinvestment

12/16/2025

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Summary

Story summary

Sergey Brin, Google's co-founder, said he returned to work after retiring in 2019, spiraled during the pandemic, and re-engaged with Google to advance the Gemini AI model.
He said Google "messed up" by underinvesting in AI, allowing OpenAI to take the lead.
He said Google's AI research and infrastructure give it an advantage.
The remarks came at a Stanford event celebrating the School of Engineering's centennial.

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Story summary

Sergey Brin, Google's co-founder, said he returned to work after retiring in 2019, spiraled during the pandemic, and re-engaged with Google to advance the Gemini AI model.
He said Google "messed up" by underinvesting in AI, allowing OpenAI to take the lead.
He said Google's AI research and infrastructure give it an advantage.
The remarks came at a Stanford event celebrating the School of Engineering's centennial.