Xuandong Zhao

Postdoc, UC Berkeley

Joined

May 2021

Names

Xuandong Zhao (Preferred)

Emails

****@ucsb.edu (Confirmed)

****@cs.ucsb.edu (Confirmed)

****@berkeley.edu (Confirmed)

Personal Links

Career & Education History

Postdoc

UC Berkeley (berkeley.edu)

2024 – 2026

PhD student

UC Santa Barbara (ucsb.edu)

2019 – 2024

Undergrad student

Zhejiang University (zju.edu.cn)

2015 – 2019

Advisors, Relations & Conflicts

PhD Advisor

Yu-Xiang Wang

Present

PhD Advisor

Lei Li

Present

Postdoc Advisor

Dawn Song

Present

Expertise

Machine Learning

Present

Natural Language Processing

Present

AI Safety

Present

Publications

Invisible Tokens, Visible Bills: The Urgent Need to Audit Hidden Operations in Opaque LLM Services
Guoheng Sun, Ziyao Wang, Xuandong Zhao, Bowei Tian, Zheyu Shen, Yexiao He, Jinming Xing, Ang Li
- ResponsibleFM @ NeurIPS 2025
- Readers: Everyone
InfoSynth: Information-Guided Benchmark Synthesis for LLMs
Ishir Garg, Neel Kolhe, Xuandong Zhao, Dawn Song
- Submitted to ICLR 2026
- Readers: Everyone
Confidence-Guided MCTS for Efficient Long-Horizon Web Agent Tasks
Will Cai, Xuandong Zhao, Dawn Song
- Submitted to ICLR 2026
- Readers: Everyone
Terminal-Bench: Benchmarking Agents on Hard, Realistic Tasks in Command Line Interfaces
Mike A Merrill, Alexander Glenn Shaw, Nicholas Carlini, Boxuan Li, Harsh Raj, Ivan Bercovich, Lin Shi, Jeong Yeon Shin, Thomas Walshe, E. Kelly Buchanan, Junhong Shen, Guanghao Ye, Haowei Lin, Jason Poulos, Maoyu Wang, Marianna Nezhurina, Di Lu, Orfeas Menis Mastromichalakis, Zhiwei Xu, Zizhao Chen et al. (64 additional authors not shown)
- ICLR 2026 Poster
- Readers: Everyone
AgentSynth: Scalable Task Generation for Generalist Computer-Use Agents
Jingxu Xie, Dylan Xu, Xuandong Zhao, Dawn Song
- ICLR 2026 Poster
- Readers: Everyone
Learning to Reason without External Rewards
Xuandong Zhao, Zhewei Kang, Aosong Feng, Sergey Levine, Dawn Song
- ICLR 2026 Poster
- Readers: Everyone
In-Context Watermarks for Large Language Models
Yepeng Liu, Xuandong Zhao, Christopher Kruegel, Dawn Song, Yuheng Bu
- ICLR 2026 Poster
- Readers: Everyone
Dataset Protection via Watermarked Canaries in Retrieval-Augmented LLMs
Yepeng Liu, Xuandong Zhao, Dawn Song, Yuheng Bu
- Submitted to ICLR 2026
- Readers: Everyone
Are You Getting What You Pay For? Auditing Model Substitution in LLM APIs
Will Cai, Tianneng Shi, Xuandong Zhao, Dawn Song
- Submitted to ICLR 2026
- Readers: Everyone
PromptArmor: An Essential Baseline for Prompt Injection Defenses
Tianneng Shi, Kaijie Zhu, Zhun Wang, Yuqi Jia, Will Cai, Weida Liang, Haonan Wang, Hend Alzahrani, Joshua Lu, Kenji Kawaguchi, Basel Alomair, Xuandong Zhao, William Yang Wang, Neil Zhenqiang Gong, Wenbo Guo, Dawn Song
- Submitted to ICLR 2026
- Readers: Everyone

View all 69 publications

Co-Authors

View all 250 co-authors