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Another High-Profile OpenAI Researcher Departs for Meta


Jason Wei, who worked on OpenAI’s o3 and deep research models, will be joining Meta’s superintelligence lab. His colleague Hyung Won Chung is also joining Meta, a source tells WIRED.

He joined OpenAI in 2023 after a stint at Google, where he worked on chain-of-thought research, which involves training an AI model to process complex queries step-by-step. Meta has previously poached groups of researchers that have experience working together for its new superintelligence lab, including a trio from OpenAI’s Switzerland office that joined the ChatGPT maker from Google. WIRED reported late last month that Meta CEO Mark Zuckerberg sent an internal memo to staff that laid out a fresh plan for the company’s AI efforts.

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