Researcher

Lilian Weng

Lilian Weng is an AI researcher whose work spans robotics, applied research, safety systems, and technical writing. At OpenAI, she contributed to the team that trained a robot hand to solve a Rubik’s Cube. In a 2022 interview, she described her later applied-AI work, and by July 2024 she was head of safety systems. She was among Thinking Machines Lab’s founding team in 2025. Her Lil’Log notes, begun in 2017, explain topics such as attention, diffusion models, and language-model agents with references to the underlying research. In July 2026, she wrote about harnesses for AI self-improvement.

Works
35
Citations
3,791
h-index
14

Publication numbers from OpenAlex, as of 14 October 2026.

Photo of Lilian Weng

Timeline

  1. 2017–2018

    Public learning notes

    Weng writes explanations of generative models and attention on Lil’Log.

  2. 2019

    Robot manipulation

    She coauthors the OpenAI robot-hand Rubik’s Cube paper with its research team.

  3. 2021–2023

    Diffusion and agents

    Her surveys explain diffusion models and planning, memory, and tools around language models.

  4. 2022–2024

    Applied research and safety

    She worked in applied AI and led safety systems.

  5. 2025

    Thinking Machines launch

    She was among the founding team.

  6. July 2026

    Research harnesses

    Her latest technical post examines the systems around AI-assisted research and self-improvement.

Sources and credits

Photo: Girl Geek X event speaker profile. License: Not stated by source. Source: girlgeek.io. Cropped to a square and resized. Ask us to remove or replace this photo.

  1. Generative adversarial networks overview lilianweng.github.io. Checked 10 October 2026.
  2. Attention? Attention! lilianweng.github.io. Checked 10 October 2026.
  3. Solving Rubik’s Cube with a Robot Hand arxiv.org. Checked 10 October 2026.
  4. What are Diffusion Models? lilianweng.github.io. Checked 10 October 2026.
  5. The power of continuous learning openai.com. Checked 10 October 2026.
  6. LLM Powered Autonomous Agents lilianweng.github.io. Checked 10 October 2026.
  7. OpenAI Forum: AI Trainers Community Mixer forum.openai.com. Checked 10 October 2026.
  8. Thinking Machines Lab: historical indexed launch record thinkingmachines.ai. Checked 10 October 2026.
  9. Harness Engineering for Self-Improvement lilianweng.github.io. Checked 10 October 2026.