Tech Buzz China · Researcher profileandChina Research CollectiveAI ProemChina Research CollectiveAs of May 29, 2026
LIN Ji (林骥)
Researcher, Meta Superintelligence Labs (since 2025)
Known for
Meta MSL researcher (2025) · OpenAI: o3, o4-mini, GPT-4o, Operator reasoning
Current org
Meta MSL
2
Articles
0
Videos
2
Links
Career path
Previously
OpenAI
→
Now
Meta MSL
Ex-OpenAI
helped build o3, o4-mini, GPT-4o, GPT-4.1, GPT-4.5, 4o-imagegen, Operator
Profile
LIN Ji (林骥) joined Meta Superintelligence Labs in 2025. He earned his B.S. from Tsinghua and M.S./Ph.D. from MIT.
He was a key contributor to o3, o4-mini, GPT-4o, GPT-4.1, and the Operator reasoning stack at OpenAI. He previously worked at Adobe Research, OmniML, and NVIDIA Research.
Known for
Meta MSL researcher (2025)OpenAI: o3, o4-mini, GPT-4o, Operator reasoning
Education
MIT
Ph.D.
Tsinghua University
B.S.
Articles / interviews
Profile links