Yuchen Zhang

PhD student, Peking University

Joined

May 2023

Names

Yuchen Zhang (Preferred)

Emails

****@std.uestc.edu.cn (Confirmed)

****@gmail.com (Confirmed)

****@stu.pku.edu.cn (Confirmed)

Personal Links

Homepage

Google Scholar

Career & Education History

PhD student

Peking University (pku.edu.cn)

2025 – 2030

Undergrad student

University of Electronic Science and Technology of China (uestc.edu.cn)

2021 – 2025

Advisors, Relations & Conflicts

PhD Advisor

Bowen Zhou

2025 – Present

PhD Advisor

Ning Ding

2025 – Present

Coauthor

Ganqu Cui

2025 – Present

Coauthor

Yu Cheng

2025 – Present

Expertise

Large Language Models

2024 – Present

Reinforcement Learning

2024 – Present

Efficient AI

2024 – Present

Publications

How Far Can Unsupervised RLVR Scale LLM Training?
Bingxiang He, Yuxin Zuo, Zeyuan Liu, Shangziqi Zhao, Zixuan Fu, Junlin Yang, Cheng Qian, Kaiyan Zhang, Yuchen Fan, Ganqu Cui, Xiusi Chen, Youbang Sun, Xingtai Lv, Xuekai Zhu, Li Sheng, Ran Li, Huan-ang Gao, Yuchen Zhang, Lifan Yuan, Bowen Zhou et al. (2 additional authors not shown)
- ICLR 2026 Poster
- Readers: Everyone
SimpleVLA-RL: Scaling VLA Training via Reinforcement Learning
Haozhan Li, Yuxin Zuo, Jiale Yu, Yuhao Zhang, Yang Zhaohui, Kaiyan Zhang, Xuekai Zhu, Yuchen Zhang, Tianxing Chen, Ganqu Cui, Dehui Wang, Dingxiang Luo, Yuchen Fan, Youbang Sun, Jia Zeng, Jiangmiao Pang, Shanghang Zhang, Yu Wang, Yao Mu, Bowen Zhou et al. (1 additional authors not shown)
- ICLR 2026 Poster
- Readers: Everyone
From f(x) and g(x) to f(g(x)): LLMs Learn New Skills in RL by Composing Old Ones
Lifan Yuan, Weize Chen, Yuchen Zhang, Ganqu Cui, Hanbin Wang, Ziming You, Ning Ding, Zhiyuan Liu, Maosong Sun, Hao Peng
- ICLR 2026 Poster
- Readers: Everyone
Process Reinforcement through Implicit Rewards
Ganqu Cui, Lifan Yuan, Zefan Wang, Hanbin Wang, Yuchen Zhang, Jiacheng Chen, Wendi Li, Bingxiang He, Yuchen Fan, Tianyu Yu, Qixin Xu, Weize Chen, Jiarui Yuan, Huayu Chen, Kaiyan Zhang, Xingtai Lv, Shuo Wang, Yuan Yao, Xu Han, Hao Peng et al. (5 additional authors not shown)
- Submitted to ICLR 2026
- Readers: Everyone
The Entropy Mechanism of Reinforcement Learning for Reasoning Language Models
Ganqu Cui, Yuchen Zhang, Jiacheng Chen, Lifan Yuan, Zhi Wang, Yuxin Zuo, Haozhan Li, Yuchen Fan, Huayu Chen, Weize Chen, Zhiyuan Liu, Hao Peng, LEI BAI, Wanli Ouyang, Yu Cheng, Bowen Zhou, Ning Ding
- ICLR 2026 Conference Withdrawn Submission
- Readers: Everyone
LFQA-E: Carefully Benchmarking Long-form QA Evaluation
Yuchen Fan, Chen Ling, Xin Zhong, Shuo Zhang, Heng Zhou, Yuchen Zhang, Mingyu Liang, Chengxing Xie, Ermo Hua, Zhizhou He, Cheng Huang, Gang Chen, Ning Ding, Bowen Zhou
- ICLR 2026 Poster
- Readers: Everyone
SSRL: Self-Search Reinforcement Learning
Yuchen Fan, Kaiyan Zhang, Heng Zhou, Yuxin Zuo, Yu Fu, Yanxu Chen, Xinwei Long, Xuekai Zhu, Che Jiang, Yuchen Zhang, Li Kang, Cheng Huang, Gang Chen, Zhizhou He, Bingning Wang, LEI BAI, Ning Ding, Bowen Zhou
- Submitted to ICLR 2026
- Readers: Everyone
HiPhO: How Far Are (M)LLMs from Humans in the Latest High School Physics Olympiad Benchmark?
Fangchen Yu, Haiyuan Wan, Qianjia Cheng, Yuchen Zhang, Jiacheng Chen, Fujun Han, Yulun Wu, Junchi Yao, Ruilizhen Hu, Ning Ding, Yu Cheng, Tao Chen, LEI BAI, Dongzhan Zhou, Yun Luo, Ganqu Cui, Peng Ye
- Submitted to ICLR 2026
- Readers: Everyone
TTRL: Test-Time Reinforcement Learning
Yuxin Zuo, Kaiyan Zhang, Li Sheng, Shang Qu, Ganqu Cui, Xuekai Zhu, Haozhan Li, Yuchen Zhang, Xinwei Long, Ermo Hua, Biqing Qi, Youbang Sun, Zhiyuan Ma, Lifan Yuan, Ning Ding, Bowen Zhou
- NeurIPS 2025 poster
- Readers: Everyone
CALF: Benchmarking Evaluation of LFQA Using Chinese Examinations
Yuchen Fan, Xin Zhong, Heng Zhou, Yuchen Zhang, Mingyu Liang, Chengxing Xie, Ermo Hua, Ning Ding, Bowen Zhou
- ICLR 2025 Conference Withdrawn Submission
- Readers: Everyone

View all 17 publications

Co-Authors

View all 113 co-authors