Researcher

Lilian Weng

Co-founder, Thinking Machines Lab

AI researcher, formerly at OpenAI, whose Lil'Log blog is a standard reference on agents. Her Jul 2026 post "Harness Engineering for Self-Improvement" was widely discussed on HN.

X GitHub Website

Sources

lilianweng.github.io/faq
lilianweng.github.io/posts/2026-07-04-harness

Verified Oct 29, 2026