Lichang Chen

Joined

February 2020

Names

Lichang Chen (Preferred)

LICHANG CHEN

Emails

****@zju.edu.cn (Confirmed)

****@pitt.edu (Confirmed)

****@gmail.com (Confirmed)

****@umd.edu (Confirmed)

****@google.com (Confirmed)

Personal Links

Google Scholar

DBLP

Semantic Scholar

Career & Education History

PhD student

Computer Science, Department of Computer Science, University of Maryland, College Park (cs.umd.edu)

2021 – 2025

Undergrad student

Information Science & Engineering, Zhejiang University (zju.edu.cn)

2016 – 2020

Advisors, Relations & Conflicts

Coworker

Tom Goldstein

2023 – 2025

Coworker

Tianyi Zhou

2022 – 2025

Expertise

Prompting & Instruction Optimization

Present

Instruction Finetuning

Present

RLHF

Present

Publications

Agent-Native Research Artifacts for AI Scientists
Jiachen Liu, Jiaxin Pei, Jintao Huang, Chenglei Si, Ao Qu, Xiangru Tang, Runyu Lu, Xiaoyan Bai, Haizhong Zheng, Zhiyang Chen, Haojie Ye, Yujuan Fu, Zijian Jin, Zhenyu Zhang, Shangquan Sun, Shirui Chen, Lichang Chen, Zexue He, Maestro Harmon, Dianzhuo Wang et al. (17 additional authors not shown)
- ICML2026-AI4Science Spotlight
- Readers: Everyone
Learning to Reason via Mixture-of-Thought for Logical Reasoning
Tong Zheng, Lichang Chen, Simeng Han, R. Thomas McCoy, Heng Huang
- NeurIPS 2025 ER Workshop
- Readers: Everyone
Learning to Reason via Mixture-of-Thought for Logical Reasoning
Tong Zheng, Lichang Chen, Simeng Han, R. Thomas McCoy, Heng Huang
- ICLR 2026 Poster
- Readers: Everyone
Creativity or Brute Force? Using Brainteasers as a Window into the Problem-Solving Abilities of Large Language Models
Simeng Han, Howard Dai, Stephen Xia, Grant Zhang, Chen Liu, Lichang Chen, Hoang H Nguyen, Hongyuan Mei, Jiayuan Mao, R. Thomas McCoy
- NeurIPS 2025 poster
- Readers: Everyone
Can LLMs Speak For Diverse People? Tuning LLMs via Debate to Generate Controllable Controversial Statements
Ming Li, Jiuhai Chen, Lichang Chen, Tianyi Zhou
- ACL2024
- Readers: Everyone
Selective Reflection-Tuning: Student-Selected Data Recycling for LLM Instruction-Tuning
Ming Li, Lichang Chen, Jiuhai Chen, Shwai He, Jiuxiang Gu, Tianyi Zhou
- ACL2024
- Readers: Everyone
From Quantity to Quality: Boosting LLM Performance with Self-Guided Data Selection for Instruction Tuning
Ming Li, Yong Zhang, Zhitao Li, Jiuhai Chen, Lichang Chen, Ning Cheng, Jianzong Wang, Tianyi Zhou, Jing Xiao
- NAACL2024
- Readers: Everyone
OPTune: Efficient Online Preference Tuning
Lichang Chen, Jiuhai Chen, Chenxi Liu, John Kirchenbauer, Davit Soselia, Chen Zhu, Tom Goldstein, Tianyi Zhou, Heng Huang
- ICLR 2025 Conference Withdrawn Submission
- Readers: Everyone
OmnixR: Evaluating Omni-modality Language Models on Reasoning across Modalities
Lichang Chen, Hexiang Hu, Mingda Zhang, Yiwen Chen, Zifeng Wang, YANDONG LI, Pranav Shyam, Tianyi Zhou, Heng Huang, Ming-Hsuan Yang, Boqing Gong
- ICLR 2025 Poster
- Readers: Everyone
RRM: Robust Reward Model Training Mitigates Reward Hacking
Tianqi Liu, Wei Xiong, Jie Ren, Lichang Chen, Junru Wu, Rishabh Joshi, Yang Gao, Jiaming Shen, Zhen Qin, Tianhe Yu, Daniel Sohn, Anastasia Makarova, Jeremiah Zhe Liu, Yuan Liu, Bilal Piot, Abe Ittycheriah, Aviral Kumar, Mohammad Saleh
- ICLR 2025 Poster
- Readers: Everyone

View all 37 publications

Co-Authors

View all 113 co-authors