Lilian Weng
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Lilian Weng is an AI researcher who returned to OpenAI to lead work on recursive self-improvement after departing Thinking Machines Lab, the startup she co-founded, for health reasons. Before co-founding Thinking Machines, she spent years at OpenAI, most recently serving as Vice President of Research and Safety, where she worked on alignment, safety systems, and applied research for large language models. She is widely known for Lil'Log, a long-running technical blog where she publishes detailed notes and surveys on topics such as scaling laws, reinforcement learning, and diffusion models. Weng's earlier public work includes tutorials on using recurrent neural networks for time-series prediction, reflecting a background in applied machine learning research.
Updated 5 August 2026
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Signals
0 stories (-100%)
Media momentum
As of 17 Sep 2026 · Visible stories in the last 30 days, compared with the 30 days before.
3 sources
Source diversity
As of 17 Sep 2026 · Distinct publications behind this entity's visible coverage.
Jul 2017 → Jul 2026
Coverage span
As of 17 Sep 2026 · First to most recent month of TLDRocket coverage of this entity.
Latest developments
July 2026
- Thinking Machines co-founder Lilian Weng left the company citing health reasons, then joined OpenAI
- [AINews] Lilian Weng summarizes 35 papers on Harness Engineering for RSI
July 2017
Relationships
People
- Founded by Thinking Machines · 1 source
- Employed by OpenAI · 1 source