Available for collaboration · St. Louis, MO

Chengsong Huang

3rd-year CSE Ph.D. candidate at Washington University in St. Louis, advised by Jiaxin Huang. I work on self-improving LLMs and using large models at lower cost.

Chengsong Huang
Citations
Semantic Scholar
h-index
Semantic Scholar
16
Publications
peer-reviewed
10
Active Preprints
arXiv

Latest News

// updates
May 2026
New preprints G-Zero and Nonsense Helps are released.
Apr 2026
Passed my Ph.D. proposal. 🎉
Feb 2026
VisPlay accepted to CVPR 2026.
Jan 2026
R-Zero, Vision-SR1, Parallel-R1, and Self-Calibration accepted to ICLR 2026.

Research Portfolio

// 26 papers
Venue:
Year:
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ICML2026
Parallel-Probe: Towards Efficient Parallel Thinking via 2D Probing
Tong Zheng*, Chengsong Huang*, Runpeng Dai*, Yun He, Rui Liu, Xin Ni, Huiwen Bao, Kaishen Wang, Hongtu Zhu, Jiaxin Huang, Furong Huang, Heng Huang
ICML2026
Training Data Efficiency in Multimodal Process Reward Models
Jinyuan Li, Chengsong Huang, Langlin Huang, Shaoyang Xu, Haolin Liu, Wenxuan Zhang, Jiaxin Huang
ICLR2026
R-Zero: Self-Evolving Reasoning LLM from Zero Data
Chengsong Huang, Wenhao Yu, Xiaoyang Wang, Hongming Zhang, Zongxia Li, Ruosen Li, Jiaxin Huang, Haitao Mi, Dong Yu
ICLR2026
Efficient Test-Time Scaling via Self-Calibration
Chengsong Huang, Langlin Huang, Jixuan Leng, Jiacheng Liu, Jiaxin Huang
ICLR2026
Self-Rewarding Vision-Language Model via Reasoning Decomposition
Zongxia Li, Wenhao Yu, Chengsong Huang, Zhenwen Liang, Rui Liu, Fuxiao Liu, Jingxi Che, Dian Yu, Jordan Boyd-Graber, Haitao Mi, Dong Yu
CVPR2026
VisPlay: Self-Evolving Vision-Language Models from Images
Yicheng He*, Chengsong Huang*, Zongxia Li*, Jiaxin Huang, Yonghui Yang
EACL2026
Divide, Reweigh, and Conquer: a Logit Arithmetic Approach for In-Context Learning
Chengsong Huang, Langlin Huang, Jiaxin Huang
COLM2025
CrossWordBench: Evaluating the Reasoning Capabilities of LLMs and LVLMs with Controllable Puzzle Generation
Jixuan Leng, Chengsong Huang, Langlin Huang, Bill Yuchen Lin, William W. Cohen, Haohan Wang, Jiaxin Huang
ICLR2025
GOFA: A Generative One-For-All Model for Joint Graph Language Modeling
Lecheng Kong, Jiarui Feng, Hao Liu, Chengsong Huang, Jiaxin Huang, Yixin Chen, Muhan Zhang
ICLR2025
Taming Overconfidence in LLMs: Reward Calibration in RLHF
Jixuan Leng, Chengsong Huang, Banghua Zhu, Jiaxin Huang
COLM2024
LoraHub: Efficient Cross-Task Generalization via Dynamic LoRA Composition
Chengsong Huang*, Qian Liu*, Bill Yuchen Lin*, Tianyu Pang, Chao Du, Min Lin
EMNLP-F2023
Watermarking PLMs on Classification Tasks by Combining Contrastive Learning with Weight Perturbation
Chenxi Gu, Xiaoqing Zheng, Jianhan Xu, Muling Wu, Cenyuan Zhang, Chengsong Huang, Hua Cai, Xuanjing Huang
ACL2023
TableVLM: Multi-modal Pre-training for Table Structure Recognition
LeiYuan Chen, Chengsong Huang, Xiaoqing Zheng, Jinshu Lin, Xuanjing Huang
AAAI2023
On Grounded Planning for Embodied Tasks with Language Models
Bill Yuchen Lin*, Chengsong Huang*, Qian Liu, Wenda Gu, Sam Sommerer, Xiang Ren
CIKM2021
WebKE: Knowledge Extraction from Semi-structured Web with Pre-trained Markup Language Model
Chenhao Xie, Wenhao Huang, Jiaqing Liang, Chengsong Huang, Yanghua Xiao
ACL2021
Revisiting the Negative Data of Distantly Supervised Relation Extraction
Chenhao Xie, Jiaqing Liang, Jingping Liu, Chengsong Huang, Wenhao Huang, Yanghua Xiao
PREPRINT2026 · arXiv 2605.09959
G-Zero: Self-Play for Open-Ended Generation from Zero Data
Chengsong Huang, Haolin Liu, Tong Zheng, Runpeng Dai, Langlin Huang, Jinyuan Li, Zongxia Li, Zhepei Wei, Yu Meng, Jiaxin Huang
PREPRINT2026 · arXiv 2605.08083
LLMs Improving LLMs: Agentic Discovery for Test-Time Scaling
Tong Zheng, Haolin Liu, Chengsong Huang, Huiwen Bao, Sheng Zhang, Rui Liu, Runpeng Dai, Ruibo Chen, Chenxi Liu, Tianyi Xiong, Xidong Wu, Hongming Zhang, Heng Huang
PREPRINT2026 · arXiv 2605.05566
Nonsense Helps: Prompt Space Perturbation Broadens Reasoning Exploration
Langlin Huang, Chengsong Huang, Jinyuan Li, Donghong Cai, Yuyi Yang, Jiaxin Huang
PREPRINT2026 · arXiv 2603.09206
MM-Zero: Self-Evolving Multi-Model Vision Language Models From Zero Data
Zongxia Li, Hongyang Du, Chengsong Huang, Xiyang Wu, Lantao Yu, Yicheng He, Jing Xie, Xiaomin Wu, Zhichao Liu, Jiarui Zhang, Fuxiao Liu
PREPRINT2026 · arXiv 2601.05167
RelayLLM: Efficient Reasoning via Collaborative Decoding
Chengsong Huang, Tong Zheng, Langlin Huang, Jinyuan Li, Haolin Liu, Jiaxin Huang
PREPRINT2026 · arXiv 2601.03986
Benchmark²: Systematic Evaluation of LLM Benchmarks
Qi Qian*, Chengsong Huang*, Jingwen Xu, Changze Lv, Muling Wu, Wenhao Liu, Xiaohua Wang, Zhenghua Wang, Zisu Huang, Muzhao Tian, Jianhan Xu, Kun Hu, He-Da Wang, Yao Hu, Xuanjing Huang, Xiaoqing Zheng
PREPRINT2026 · arXiv 2601.22628
TTCS: Test-Time Curriculum Synthesis for Self-Evolving
Chengyi Yang, Zhishang Xiang, Yunbo Tang, Zongpei Teng, Chengsong Huang, Fei Long, Yuhan Liu, Jinsong Su
PREPRINT2025 · arXiv 2512.17043
UniRel-R1: RL-tuned LLM Reasoning for Knowledge Graph Relational Question Answering
Yinxu Tang, Chengsong Huang, Jiaxin Huang, William Yeoh
PREPRINT2025 · arXiv 2512.02472
Guided Self-Evolving LLMs with Minimal Human Supervision
Wenhao Yu, Zhenwen Liang, Chengsong Huang, Kishan Panaganti, Tianqing Fang, Haitao Mi, Dong Yu
PREPRINT2025 · arXiv 2506.03566
POSS: Position Specialist Generates Better Draft for Speculative Decoding
Langlin Huang, Chengsong Huang, Jixuan Leng, Di Huang, Jiaxin Huang

Industry Experience

// internships
Google Cloud AI
Feb 2026 – Present
Student Researcher, Mentor: Zifeng Wang. Working on Agentic Reinforcement Learning for LLMs.
Tencent Seattle AI Lab
Jun – Aug 2025
Research Intern, Mentor: Wenhao Yu. Project: R-Zero.
Sea AI Lab (SAIL)
Jan – Jun 2023
Research Intern, Mentor: Qian Liu. Project: LoraHub.

Service & More

Reviewer
conferences
ARR (2024–), AAAI 2026, ICLR (2025–), COLM (2024–), ICML 2026, CVPR 2026.
Education
2019 – present
Ph.D. at WUSTL (2023–). B.Eng., Software Engineering, Fudan University (2019–23).
Off the Clock
misc.
Table tennis · football · Dota 2 · Texas Hold'em · mahjong · board games. Always looking for fellow students in St. Louis to connect with.

Visitors Worldwide

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