After stepping away from the company in 2019, Google co-founder Sergey Brin recently returned to the tech giant to work in-person and he’s now asking all workers to consider doing the same.

Brin has urged those working on the Gemini AI models to commit to 60-hour workweeks and come to the office every weekday. This statement comes at a time of intense competition in the AI sector, accelerated by the rapid surge of OpenAI’s ChatGPT.

Brin called for Googlers working on the company's AI products to increase their hours in a memo seen by The New York Times.