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OpenAI is losing two of its most ambitious project engineers. Kevin Weil, who led the company’s scientific research initiative, and Bill Peebles, the researcher behind the artificial intelligence video tool Sora, announced their departures on Friday. The exits come with OpenAI’s standardization around enterprise AI and Upcoming “superapp“.
The departures follow OpenAI’s decision to scale back “Side questsincluding customer-facing bets like Sora and OpenAI for Science. Sora, which has been losing It is estimated at one million dollars a day In calculating costs, it was Closed last month.
OpenAI for Science was the internal research group behind it prisman artificial intelligence-powered platform that promised to accelerate scientific discoveries. It is being absorbed into “other research teams,” according to Weil Social media sharing Announcement of the news.
“It’s been a productive couple of years, from chief product officer to joining the research team and starting OpenAI for Science,” Will wrote. “Accelerating science will be one of the most amazing positive outcomes of our efforts toward artificial general intelligence.”
The team had a short and bumpy road ahead after its official announcement in October 2025. Will deleted a tweet claiming that GPT-5 had been discovered. Solve 10 previously unsolved Erdős problems Mathematical Problems But this claim collapsed immediately when it was made by the mathematician who runs the website erdosproblems.com.
Will’s departure comes one day after his team Released GPT-Rosalinda new model for accelerating life sciences research and drug discovery.
In a Social media sharing In announcing his departure, Peebles credited Sora with sparking “a tremendous amount of investment in video across the industry,” and said the type of research that produced the video tool required space off the company’s main roadmap.
“Cultivating entropy is the only way for a research laboratory to thrive in the long term,” he wrote.