Yi-You Sun

Most-cited papers

1. OMEGA: Can LLMs Reason Outside the Box in Math? Evaluating Exploratory, Compositional, and Transformative Generalization

   Yi-You Sun, Shawn Hu, Georgia Zhou, Ke-Ning Zheng +3 more

   2025Neural Information Processing Systems55 citations

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2. Agents' Last Exam

   Website GitHub, HuggingFace Leaderboard, Yi-You Sun, Xinyan Han +308 more

   2026arXiv.org33 citations

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3. Unsafer in Many Turns: Benchmarking and Defending Multi-Turn Safety Risks in Tool-Using Agents

   Xu Li, Simon Yu, Min-Zhou Pan, Yi-You Sun +4 more

   2026arXiv.org33 citations

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4. The Long-Horizon Task Mirage? Diagnosing Where and Why Agentic Systems Break

   Xinyu Wang, Hao-Yue Bai, Yi-You Sun, Hao-Rui Wang +6 more

   2026arXiv.org30 citations

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5. Climbing the Ladder of Reasoning: What LLMs Can-and Still Can't-Solve after SFT?

   Yi-You Sun, Georgia Zhou, Hao-Yue Bai, Hao Wang +3 more

   2025arXiv.org26 citations

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6. Why and How LLMs Hallucinate: Connecting the Dots with Subsequence Associations

   Yi-You Sun, Yu Gai, Li-Jie Chen, Abhilasha Ravichander +3 more

   2025Neural Information Processing Systems24 citations

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7. RL Grokking Recipe: How Does RL Unlock and Transfer New Algorithms in LLMs?

   Yi-You Sun, Yuhan Cao, Pohao Huang, Hao-Yue Bai +3 more

   202524 citations

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8. MIRAGE-Bench: LLM Agent is Hallucinating and Where to Find Them

   Wei-Chen Zhang, Yi-You Sun, Pohao Huang, Jiayue Pu +2 more

   2025arXiv.org18 citations

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9. Can Aha Moments Be Fake? Towards Quantifying Decorative and True Thinking in Chain-of-Thought

   Jia-Chen Zhao, Yi-You Sun, Wei-Yan Shi, D. Song

   202512 citations

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10. Can Aha Moments Be Fake? Identifying True and Decorative Thinking Steps in Chain-of-Thought

    Jia-Chen Zhao, Yi-You Sun, Wei-Yan Shi, D. Song

    2025arXiv.org11 citations

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11. How and Why LLMs Generalize: A Fine-Grained Analysis of LLM Reasoning from Cognitive Behaviors to Low-Level Patterns

    Hao-Yue Bai, Yi-You Sun, Wenji Hu, Shi Qiu +4 more

    2025arXiv.org7 citations

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12. DELTA-Code: How Does RL Unlock and Transfer New Programming Algorithms in LLMs?

    Yi-You Sun, Yuhan Cao, Pohao Huang, Hao-Yue Bai +3 more

    2025arXiv.org7 citations

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13. Strategy Executability in Mathematical Reasoning: Leveraging Human-Model Differences for Effective Guidance

    Wei-Da Liang, Yi-You Sun, Shuyuan Nan, Chuan Li +2 more

    2026arXiv.org1 citations

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14. VerifierBench: Benchmarking the Generation of Executable Verifiers for LLM Agents

    Jia-Ning Yin, Zi-Yi Chen, Hao Wang, Yi-You Sun +3 more

    20260 citations

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15. Back Up Before You Regret: Measuring Backup Awareness and Automating Backup in Coding Agents

    Xu Li, Simon Yu, Min-Zhou Pan, Yi-You Sun +3 more

    20260 citations

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16. Can LLMs Ask Good Questions?

    Yueheng Zhang, Xiao-Yuan Liu, Yi-You Sun, Atheer Alharbi +4 more

    20250 citations

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