Jiacheng Guo

PhD student, Princeton University

Joined

May 2022

Names

Jiacheng Guo (Preferred)

Emails

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

****@princeton.edu (Confirmed)

Personal Links

Homepage

Career & Education History

PhD student

Princeton University (princeton.edu)

2023 – 2028

Undergrad student

Fudan University (fudan.edu.cn)

2019 – 2023

Advisors, Relations & Conflicts

PhD Advisor

Mengdi Wang

Present

Coauthor

Zihao Li

Present

Coauthor

Jiahao Qiu

Present

Expertise

No areas of expertise listed

Publications

On Path to Multimodal Historical Reasoning: HistBench and HistAgent
Jiahao Qiu, Fulian Xiao, Yimin Wang, Yuchen Mao, Yijia Chen, Xinzhe Juan, Siran Wang, Xuan Qi, Tongcheng Zhang, Zixin Yao, Jiacheng Guo, Yifu Lu, Charles Argon, Jundi Cui, Daixin Chen, Junran Zhou, Shuyao Zhou, Zhanpeng Zhou, Ling Yang, Shilong Liu et al. (5 additional authors not shown)
- LLA 2026 Poster
- Readers: Everyone
GenEnv: Difficulty-Aligned Co-Evolution Between LLM Agents and Environment Simulators
Jiacheng Guo, Ling Yang, Peter Chen, Qixin Xiao, Yinjie Wang, Xinzhe Juan, Jiahao Qiu, Ke Shen, Mengdi Wang
- LLA 2026 Poster
- Readers: Everyone
On the Role of Preference Variance in Preference Optimization
Jiacheng Guo, Zihao Li, Jiahao Qiu, Yue Wu, Mengdi Wang
- Submitted to ICLR 2026
- Readers: Everyone
Alita: Generalist Agent Enabling Scalable Agentic Reasoning with Minimal Predefinition and Maximal Self-Evolution
Jiahao Qiu, Xuan Qi, Tongcheng Zhang, Xinzhe Juan, Jiacheng Guo, Yifu Lu, Yimin Wang, Zixin Yao, Qihan Ren, Dongrui Liu, Ling Yang, Yue Wu, Shilong Liu, xun jiang, Kaixuan Huang, Hongru WANG, Mengdi Wang
- ICLR 2026 Conference Desk Rejected Submission
- Readers: Everyone
On Path to Multimodal Historical Reasoning: HistBench and HistAgent
Jiahao Qiu, Fulian Xiao, Yimin Wang, Yuchen Mao, Yijia Chen, Xinzhe Juan, Siran Wang, Xuan Qi, Tongcheng Zhang, Zixin Yao, Jiacheng Guo, Yifu Lu, Charles Argon, Jundi Cui, Daixin Chen, Junran Zhou, Shuyao Zhou, Zhanpeng Zhou, Ling Yang, Shilong Liu et al. (5 additional authors not shown)
- Submitted to ICLR 2026
- Readers: Everyone
AgentDistill: Training-Free Agent Distillation with Generalizable MCP Boxes
Jiahao Qiu, Xinzhe Juan, Yimin Wang, Ling Yang, Xuan Qi, Tongcheng Zhang, Jiacheng Guo, Yifu Lu, Zixin Yao, Hongru WANG, Shilong Liu, xun jiang, Liu Leqi, Mengdi Wang
- Submitted to ICLR 2026
- Readers: Everyone
FutureX: An Advanced Live Benchmark for LLM Agents in Future Prediction
Zhiyuan Zeng, Jiashuo Liu, Siyuan Chen, Tianci He, Yali Liao, Yixiao Tian, wangjinpeng.levi, Zaiyuan Wang, YangYang, Lingyue Yin, Mingren Yin, Zhu Zhenwei, Tianle Cai, Xinjie Chen, Zehui Chen, Jiecao Chen, Yantao Du, Xiang Gao, Jiacheng Guo, LIANG HU et al. (12 additional authors not shown)
- ICLR 2026 Poster
- Readers: Everyone
Alita-G: Self-Evolving Generative Agent for Agent Generation
Jiahao Qiu, Xuan Qi, Hongru WANG, Xinzhe Juan, Yimin Wang, Zelin Zhao, Jiayi Geng, Jiacheng Guo, Shilong Liu, Mengdi Wang
- ICLR 2026 Conference Desk Rejected Submission
- Readers: Everyone
Temporal Consistency for LLM Reasoning Process Error Identification
Jiacheng Guo, Yue Wu, Jiahao Qiu, Kaixuan Huang, Xinzhe Juan, Ling Yang, Mengdi Wang
- ICLR 2025 Workshop VerifAI Poster
- Readers: Everyone
MATH-Perturb: Benchmarking LLMs' Math Reasoning Abilities against Hard Perturbations
Kaixuan Huang, Jiacheng Guo, Zihao Li, Xiang Ji, Jiawei Ge, Wenzhe Li, Yingqing Guo, Tianle Cai, Hui Yuan, Runzhe Wang, Yue Wu, Ming Yin, Shange Tang, Yangsibo Huang, Chi Jin, Xinyun Chen, Chiyuan Zhang, Mengdi Wang
- Reasoning and Planning for LLMs @ ICLR2025
- Readers: Everyone

View all 15 publications

Co-Authors

View all 88 co-authors