Sergey Brin tells Google AI staff 60-hour workweek is the 'sweet spot' for productivity

Summary

Sergey Brin, Google cofounder, wrote an internal memo to employees working on the Gemini AI products recommending a 60-hour workweek as the "sweet spot of productivity" — 50% longer than the standard 40-hour week. He urged staff to be in the office at least every weekday, warned against exceeding 60 hours due to burnout risk, and implied criticism of those working less. The memo reflects Brin's belief that Google has the ingredients to win the race to artificial general intelligence but needs to "turbocharge" efforts.