""Sergey has been in the weeds, programming," Hassabis told Fortune regarding Brin's involvement in recent projects, particularly the fantastically well-received Gemini models. Page is getting involved, as well, Hassabis said, in more strategic ways. This hands-on return has "been fantastic" for Hassabis to see, helping push the company's technical boundaries and ensuring the necessary resources are deployed to train massive frontier models."
"He said he felt himself "spiraling" despite his status as one of the world's richest men, and found himself going into work when the Googleplex reopened for employees in 2023. The Wall Street Journal reported at the time that this meant Brin showing up for work three to four times per week, and by February 2025 he had issued an internal memo advising Google employees visiting Mountain View at least five times a week, with 60-hour weeks hitting the "sweet spot" of productivity."
Larry Page and Sergey Brin have resumed hands-on involvement at Google, fueling an aggressive AI-focused resurgence that emphasizes discovery and product velocity. Sergey Brin has been directly programming on recent projects, especially the well-received Gemini models, while Larry Page participates more strategically. Their return has accelerated technical progress and unlocked resources needed to train massive frontier models. Brin formally addressed his return in December 2025, describing a previous retreat from day-to-day work in 2019 and a personal sense of "spiraling" that reversed after employees returned in 2023. Internal expectations shifted toward more frequent Mountain View presence and longer workweeks to boost productivity.
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