Shusheng Xu

Joined

September 2020

Names

Shusheng Xu (Preferred)

Emails

****@gmail.com (Confirmed)

****@mails.tsinghua.edu.cn (Confirmed)

Personal Links

Career & Education History

PhD student

Institute for Interdisciplinary Information Sciences, Tsinghua University (tsinghua.edu.cn)

2020 – 2025

Advisors, Relations & Conflicts

PhD Advisor

Yi Wu

2020 – 2025

Expertise

NLP

2019 – Present

Reinforcement Learning

2019 – Present

Publications

Unlocking Long-Horizon Agentic Search with Large-Scale End-to-End RL
Jiaxuan Gao, Wei Fu, Minyang Xie, Shusheng Xu, Chuyi He, Zhiyu Mei, Banghua Zhu, Yi Wu
- ICLR 2026 Poster
- Readers: Everyone
Beyond Ten Turns: Unlocking Long-Horizon Agentic Search with Large-Scale Asynchronous RL
Jiaxuan Gao, Wei Fu, Minyang Xie, Shusheng Xu, Chuyi He, Zhiyu Mei, Banghua Zhu, Yi Wu
- MTI-LLM @ NeurIPS 2025 Spotlight
- Readers: Everyone
AREAL: A Large-Scale Asynchronous Reinforcement Learning System for Language Reasoning
Wei Fu, Jiaxuan Gao, Shusheng Xu, Zhiyu Mei, Chen Zhu, Xujie Shen, Chuyi He, Guo Wei, Jun Mei, WANG JIASHU, Tongkai Yang, Binhang Yuan, Yi Wu
- ES-FoMo III Spotlight
- Readers: Everyone
Reasoning Is Not a Race: When Stopping Early Beats Going Deeper
Mohan Zhang, Jiaxuan Gao, Shusheng Xu, Yi Wu
- NeurIPS 2025 poster
- Readers: Everyone
AREAL: A Large-Scale Asynchronous Reinforcement Learning System for Language Reasoning
Wei Fu, Jiaxuan Gao, Xujie Shen, Chen Zhu, Zhiyu Mei, Chuyi He, Shusheng Xu, Guo Wei, Jun Mei, WANG JIASHU, Tongkai Yang, Binhang Yuan, Yi Wu
- NeurIPS 2025 poster
- Readers: Everyone
How Far Are We from Optimal Reasoning Efficiency?
Jiaxuan Gao, Shu Yan, Qixin Tan, lu Yang, Shusheng Xu, Wei Fu, Zhiyu Mei, Kaifeng Lyu, Yi Wu
- NeurIPS 2025 poster
- Readers: Everyone
On Designing Effective RL Reward at Training Time for LLM Reasoning
Jiaxuan Gao, Shusheng Xu, Wenjie Ye, Weilin Liu, Chuyi He, Wei Fu, Zhiyu Mei, Guangju Wang, Yi Wu
- Submitted to ICLR 2025
- Readers: Everyone
Is DPO Superior to PPO for LLM Alignment? A Comprehensive Study
Shusheng Xu, Wei Fu, Jiaxuan Gao, Wenjie Ye, Weilin Liu, Zhiyu Mei, Guangju Wang, Chao Yu, Yi Wu
- ICML 2024 Oral
- Readers: Everyone
LAGOON: Language-Guided Motion Control
Shusheng Xu, Huaijie Wang, Yutao Ouyang, Jiaxuan Gao, Zhiyu Mei, Chao Yu, Yi Wu
- LangRob @ CoRL 2023 Poster
- Readers: Everyone
PhyloTransformer: A Self-supervised Discriminative Model for SARS-CoV-2 Viral Mutation Prediction Based on a Multi-head Self-attention Mechanism
Yingying Wu, Shusheng Xu, Shing-Tung Yau, Yi Wu
- Published: 02 Mar 2023, Last Modified: 21 Apr 2023
- 2023 ICLR - MLGH Poster
- Readers: Everyone

View all 24 publications

Co-Authors

View all 39 co-authors