Jiayi Weng (@Trinkle23897) · Digg

JW

Jiayi Weng

184Following94Top Followers12.2KTotal Followers

BIO

MTS @openai, author of the entire post-training RL infra, core contributor of ChatGPT/GPT4/GPT4o etc. 30U30

Top followers

John Schulman

@johnschulman2

Recently started @thinkymachines. Interested in reinforcement learning, alignment, birds, jazz music

hardmaru

@hardmaru

Co-Founder and CEO @SakanaAILabs 🎏

JW

#46

Jason Wei

@_jasonwei

ai researcher @meta superintelligence labs, past: openai, google 🧠

Shane Gu

@shaneguML

Gemini/Omni Thinking, Senior Staff AE @GoogleDeepMind. 🇯🇵-born 🇨🇳🇨🇦. ex: Gemini 1.5-3, GPT-4 @OpenAI, Google Robotics (JP: @shanegJP). Personal opinions.

Barret Zoph

@barret_zoph

@openai Past: - CTO & Co-Founder Thinking Machines Lab (@thinkymachines) - VP Research (Post-Training) @openai - Research Scientist at Google Brain

Joshua Achiam

@jachiam0

Freedom, flourishing, and abundance. Chief Futurist @openai. Main author of http://spinningup.openai.com

Taco Cohen

@TacoCohen

Slop janitor & post-trainologer at Meta / FAIR. Into codegen, RL, equivariance. Spent time at Qualcomm, Scyfer (acquired), UvA, Deepmind, OpenAI.

Jerry Tworek

@MillionInt

CEO and co-founder of Core Automation former VP of RL @ OpenAI : reasoning models, o3, o1, GPT4, ChatGPT, Codex, RL for robots cautious AI optimist

Yang Song

@DrYangSong

Research Principal of MSL

Karina

@karinanguyen

building @thoughtfullab, prev. AI research & product @OpenAI, @AnthropicAI, @maisonagi

Joelle Pineau

@jpineau1

Chief AI Officer, @cohere Professor of Computer Science, @mcgillu Core academic member, @Mila_Quebec Ex-Meta (FAIR team)

Songlin Yang

@SonglinYang4

pretraining @thinkymachines. Prev. PhD @MIT_CSAIL. she/her/hers

Animesh Garg

@animesh_garg

Foundation Models for Generalizable Autonomy in Robotics. Reinforcement Learning. Faculty in AI Robotics @GeorgiaTech. Prev @nvidia @UCberkeley @stanford

Shunyu Yao

@ShunyuYao12

Language agents

Andrew Carr 🤸

@andrew_n_carr

co-founder leading science @getcartwheel co-founder advisor @arcade_ai Past: Codex @OpenAI, Brain @GoogleAI, world ranked Tetris player

Hongyu Ren

@ren_hongyu

research @meta superintelligence. CS PhD @stanford. prev @openai.

Irwan Bello

@IrwanBello

Supercomputers & Friends, AI & Science. Past: Founding team & Research Lead at @reflection_ai, @OpenAI, Founding team @character_ai, Google Brain

Simon Shaolei Du

@SimonShaoleiDu

Reasoning Chief Scientist at @Apodex_AI. Associate Professor @uwcse. Prev @xai. Postdoc @the_IAS. PhD in machine learning @mldcmu.

rapha

@rapha_gl

making models programmable @ openai

Zhiqing Sun

@EdwardSun0909

Lead Agents @Meta MSL TBD Lab. previously posttraining/agent research @OpenAI. CS PhD @LTIatCMU

Weijia Shi

@WeijiaShi2

PhD student @uwnlp | Prev @allen_ai @MetaAI @CS_UCLA

Yu Bai

@yubai01

Training Accelerations @OpenAI. Previously @SFResearch, PhD @Stanford.

Yuchen Jin

@Yuchenj_UW

Cooking fun AI systems & products @databricks. Prev: co-founder & CTO @ Hyperbolic, OctoAI (acquired by @nvidia) Apache TVM, PhD @ University of Washington.

Alex Graveley

@alexgraveley

Co-creator Perplexity Computer, GitHub Copilot, Dropbox Paper. 2x CEO. Thruhiker. Survivor 🎗️

Tianqi Chen

@tqchenml

AssistProf @CarnegieMellon. Distinguished Eng @NVIDIA. Creator of @XGBoostProject, @ApacheTVM. Member http://catalyst.cs.cmu.edu, @TheASF. Views are on my own

Jiahui Yu

@jhyuxm

Lead Multimodal @Meta Superintelligence Lab. Previously led Perception @OpenAI; co-led Gemini Multimodal @GoogleDeepMind.

Kamalika Chaudhuri

@kamalikac

Researcher, Google Deepmind. Formerly, Director FAIR @ Meta. Former Professor at UCSD. Researcher in AI privacy, security, and generalization.

Guodong Zhang

@Guodzh

Maybe the real AGI was the friends we made along the way.

Victoria X Lin

@VictoriaLinML

MTS @thinkymachines | Native Multimodal Intelligence Prev: @AIatMeta @SFResearch • PhD @uwcse

Suhail

@Suhail

Founder: @mixpanel Pizzatarian, engineer, music maker

Yizhong Wang

@yizhongwyz

Researching AI for an infinite-sum future. RS@ByteDance Seed, incoming AP@UT Austin. Formerly @uwcse @allen_ai @meta @microsoft

Ilya Kostrikov

@ikostrikov

Pre-Training Researcher @OpenAI, previously: RL/post-training @OpenAI, Postdoc at UC Berkeley @berkeley_ai, Researcher at Google Brain, PhD in CS @CILVRatNYU

Laurens van der Maaten

@lvdmaaten

Member of Technical Staff at Anthropic. Ex-Meta. t-SNE. Llama 3. DenseNet. Web-scale weakly supervised vision. CrypTen.

Alexander Kirillov

@_alex_kirillov_

Multimodality @thinkymachines. Previously: post-training MM lead @openai, research Scientist @facebookai Projects: GPT-4o, Advance Voice Mode, SegmentAnything.

Tianyu Gao

@gaotianyu1350

@Meta MSL TBD lab and incoming assistant prof. @UCSanDiego. Prev @OpenAI @Princeton @Tsinghua_Uni

Costa Huang

@vwxyzjn

Exploiting physical rewards @periodiclabs. Creator of @cleanrl_lib. Prev: RL @allen_ai @huggingface.

Jiayi Pan

@jiayi_pirate

Research | Prev @xAI @Berkeley_AI | Views Are My Own

Jason Phang

@zhansheng

Foundations at @OpenAI. PhD @NYUDataScience, @AiEleuther, 🇸🇬. Prev: @Google, @Microsoft

Corey Lynch

@coreylynch

Director of AI at @figure_robot, building Helix 🧬

Peter Chen

@peterxichen

Building general purpose robotics at Amazon FAR. Previously Covariant CEO and Co-Founder, @OpenAI, @UCBerkeley PhD.

Mengzhou Xia

@xiamengzhou

Research @OpenAI, PhD @princeton_nlp.

Brandon McKinzie

@mckbrando

research @OpenAI | prev: multimodal @Apple, physics/cs @UCBerkeley

Ted Sanders

@sandersted

Research at OpenAI. Be kind to others, and yourself.

Edward Z. Yang

@ezyang

I work on PyTorch at Meta. Chatty alt at @difficultyang.

Jimmy Apples 🍎/acc

@apples_jimmy

Wagmi. 2025. As featured in Bloomberg. As quoted by Nobel Prize winner Demis Hassabis. As mentioned on the Lex Fridman Podcast💺

You Jiacheng

@YouJiacheng

Zhuohan Li

@zhuohan123

building @vllm_project at @meta | ex-openai | cs phd @ 🌁 uc berkeley | machine learning system | the real agi is the friends we made along the way

Zizheng Pan

@zizhpan

Researcher @deepseek_ai | Previously @nvidia @MonashUni @UniofAdelaide. Words are my own.

Drew Houston

@drewhouston

Founder/CEO of Dropbox · Board of directors at Meta

Steven Heidel

@stevenheidel

API @OpenAI | 🏳️‍🌈 he/him