Zhao, previously a research scientist at OpenAI, played a pivotal role in creating GPT-4 and various lighter models such as version 4.1 and o3. He is among at least eight researchers who have recently transitioned from OpenAI to Meta.

Mark Zuckerberg has named Shengjia Zhao, an artificial intelligence researcher who joined Meta Platforms Inc. from OpenAI in June, as the chief scientist for the social media company’s new superintelligence AI group.