Yupeng Zhang

Researcher, Beijing Baichuan Intelligence Technology Co., Ltd.

Joined

June 2024

Names

Yupeng Zhang (Preferred)

Emails

****@gmail.com (Confirmed)

Personal Links

Google Scholar

Career & Education History

Researcher

Beijing Baichuan Intelligence Technology Co., Ltd. (baichuan-ai.com)

2024 – Present

Researcher

Tencnet inc (tencent.com)

2019 – 2024

MS student

University of New South Wales (unsw.edu.au)

2017 – 2019

Undergrad student

Harbin Engineering University (hrbeu.edu.cn)

2012 – 2016

Advisors, Relations & Conflicts

Coworker

Bingning Wang

2023 – 2024

Coauthor

Han Liu

2023 – 2024

Coauthor

Jie Chen

2023 – 2024

Expertise

LLM

2022 – 2024

NLP

2016 – 2024

Publications

Surrogate Signals from Format and Length: Reinforcement Learning for Solving Mathematical Problems without Ground Truth Answers
Rihui Xin, Han Liu, Zecheng Wang, Yupeng Zhang, Dianbo Sui, Xiaolin Hu, Bingning Wang
- ICLR 2026 Workshop LLM Reasoning
- Readers: Everyone
Surrogate Signals from Format and Length: Reinforcement Learning for Solving Mathematical Problems without Ground Truth Answers
Rihui Xin, Han Liu, Zecheng Wang, Yupeng Zhang, Dianbo Sui, Xiaolin Hu, Bingning Wang
- Submitted to ICLR 2026
- Readers: Everyone
VPO: Reasoning Preferences Optimization Based on $\mathcal{V}$-Usable Information
Zecheng Wang, Chunshan Li, Yupeng Zhang, Han Liu, Bingning Wang, Dianhui Chu, Dianbo Sui
- NeurIPS 2025 spotlight
- Readers: Everyone
Baichuan-M1: Pushing the Medical Capability of Large Language Models
Bingning Wang, Haizhou Zhao, Huozhi Zhou, Liang Song, Mingyu Xu, Wei Cheng, Xiangrong Zeng, Yupeng Zhang, Yuqi Huo, Zecheng Wang, Zhengyun Zhao, Da Pan, Fan Yang, Fei Kou, Fei Li, Fuzhong Chen, Guosheng Dong, Han Liu, Hongda Zhang, Jin He et al. (23 additional authors not shown)
- CoRR 2025
- Readers: Everyone
Unveiling the Flaws: Exploring Imperfections in Synthetic Data and Mitigation Strategies for Large Language Models
Jie Chen, Yupeng Zhang, Bingning Wang, Xin Zhao, Ji-Rong Wen, Weipeng Chen
- EMNLP (Findings) 2024
- Readers: Everyone
Full-ECE: A Metric For Token-level Calibration on Large Language Models
Han Liu, Yupeng Zhang, Bingning Wang, Weipeng Chen, Xiaolin Hu
- CoRR 2024
- Readers: Everyone
Unveiling the Flaws: Exploring Imperfections in Synthetic Data and Mitigation Strategies for Large Language Models
Jie Chen, Yupeng Zhang, Bingning Wang, Wayne Xin Zhao, Ji-Rong Wen, Weipeng Chen
- CoRR 2024
- Readers: Everyone
Baichuan 2: Open Large-scale Language Models
Aiyuan Yang, Bin Xiao, Bingning Wang, Borong Zhang, Ce Bian, Chao Yin, Chenxu Lv, Da Pan, Dian Wang, Dong Yan, Fan Yang, Fei Deng, Feng Wang, Feng Liu, Guangwei Ai, Guosheng Dong, Haizhou Zhao, Hang Xu, Haoze Sun, Hongda Zhang et al. (35 additional authors not shown)
- CoRR 2023
- Readers: Everyone

Co-Authors

View all 90 co-authors