Guowei Xu

I am an undergraduate student at Yao Class, Tsinghua Univeristy. I am interested in language models, reinforcement learning, and ai for science. I served as a reviewer for ICLR 2025, ICML 2025, and NeurIPS 2025.

Publications

Papers sorted by recency. Representative papers are highlighted.

metaTextGrad: Automatically optimizing language model optimizers
Guowei Xu, Mert Yuksekgonul, Carlos Guestrin, James Zou
arXiv
paper / bibtex

LLaVA-CoT: Let Vision Language Models Reason Step-by-Step
Guowei Xu*, Peng Jin*, Ziang Wu*, Hao Li, Yibing Song, Lichao Sun, Li Yuan
International Conference on Computer Vision (ICCV), 2025
model & dataset / arXiv / code / bibtex

MENTOR: Mixture-of-Experts Network with Task-Oriented Perturbation for Visual Reinforcement Learning
Suning Huang*, Zheyu Zhang*, Tianhai Liang, Yihan Xu, Zhehao Kou, Chenhao Lu, Guowei Xu, Zhengrong Xue, Huazhe Xu
International Conference on Machine Learning (ICML), 2025
project page / arXiv / code / bibtex

ACE: Off-Policy Actor-Critic with Causality-Aware Entropy Regularization
Tianying Ji*, Yongyuan Liang*, Yan Zeng, Yu Luo, Guowei Xu, Jiawei Guo, Ruijie Zheng, Furong Huang, Fuchun Sun, Huazhe Xu
International Conference on Machine Learning (ICML), 2024 (Oral)
project page / arXiv / code / bibtex

DrM: Mastering Visual Reinforcement Learning through Dormant Ratio Minimization
Guowei Xu*, Ruijie Zheng*, Yongyuan Liang*, Xiyao Wang, Zhecheng Yuan, Tianying Ji, Yu Luo, Xiaoyu Liu, Jiaxin Yuan, Pu Hua, Shuzhen Li, Yanjie Ze, Hal Daumé III, Furong Huang, Huazhe Xu
International Conference on Learning Representations (ICLR), 2024 (Spotlight)
project page / arXiv / code / bibtex

Can Pre-Trained Text-to-Image Models Generate Visual Goals for Reinforcement Learning?
Jialu Gao*, Kaizhe Hu*, Guowei Xu, Huazhe Xu
Conference on Neural Information Processing Systems (NeurIPS), 2023
project page / arXiv / bibtex

Education

IIIS, Tsinghua Univeristy
Undergraduate Student
Beijing, China
2023 - now

Selected Experience

Invited Talk: Mastering Visual Reinforcement Learning through Dormant Ratio Minimization
Speaker
88th Seminar (RL China), 2024
video link

Invited Talk: Mastering Visual Reinforcement Learning through Dormant Ratio Minimization
Speaker
ICLR Seminar (AI TIME), 2024
video link

Teaching Assistant

Deep Reinforcement Learning (Graduate Course)
Director: Huazhe Xu
TAs: Guowei Xu, Kaizhe Hu, Pu Hua
Tsinghua University (THU), 2024