Lilian Weng Departs Thinking Machines Lab Due to Health Reasons
Former OpenAI research director Lilian Weng has announced her departure from Thinking Machines Lab (often referred to by the community as Thinky), founded by Mira Murati. She described it as a difficult and regrettable decision, driven by the intense pace and sustained pressure of startup life over the past 7 months, which significantly deteriorated her health beyond her physical limits. CEO Mira Murati publicly confirmed the news, thanking Weng for her contributions in building the company and supporting her decision to prioritize her health. This change marks the loss of a key early member of the high-profile startup team and has drawn widespread attention from the AI community.
已确认
- **离职原因**: Lilian Weng explicitly stated that the entrepreneurial pace and continuous pressure over the past 7 months caused her health to deteriorate. Unable to sustain the high-intensity demands of a co-founder role, she chose to step down.
- **官方确认**: Mira Murati publicly bid farewell to Lilian Weng, confirming her departure and praising the wonderful experience of building the company alongside her.
- **未来意向**: Lilian Weng expressed her continued passion for AI and frontier research papers, but noted she will look for a more predictable and less intense work environment. She also emphasized in her farewell message that "the future worth building is a human future."
尚未确认
- The farewell messages mentioned extending best wishes to Lilian Weng and Chenglei Si, hinting at potential other personnel changes or adjustments within the team, though specific details and reasons remain unclear.
2026-07-28 ~ 2026-07-28 · 5 related posts
Primary sources
- [source] Thinky staffer Lilian says she is leaving after seven hard months — lilianweng · 2026-07-28
- Thinky farewell post signals a personnel change around Lilian Weng and Chenglei Si — YifeiZhou02 · 2026-07-28
- Lilian Weng hints at a hard, sad decision and says the future worth building is human — jachiam0 · 2026-07-28
- [source] Mira Murati says Lilian Weng is leaving Thinky to prioritize her health — miramurati · 2026-07-28
- Ex-OpenAI Research Chief Lilian Weng Departs Thinking Machines Lab — MuCai7 · 2026-07-28