Wei, who joined OpenAI in 2023, contributed to the development of the o1 and deep research models. Prior to joining OpenAI, he worked at Google from 2020 to 2023, according to his personal website. There, he focused on chain-of-thought prompting, a technique that trains AI models to solve complex problems step-by-step.
Wired also reported that Hyung Won Chung, another research scientist and Wei’s…