arXiv AI By Zeyu Zheng, Yiyang Liu, Yuyang Zhao, Congmin Zheng, Jiachen Zhu, Jianian Chen, Kangning Zhang, Kayue Daniel Wong, Lingyu Yang, Rong Shan, Shihao Chen, Thomas Zhu, Wentao Zhang, Xiaopeng Li, Yan Hu, Yongxi Lin, Yuxiang Chen, Zhuoying Ou, Jianghao Lin, Jeremy Avigad, Prasad Tetali, Jingbang Chen, Sean Welleck

ReuF2F: Benchmarking Coding Agents on Formalized Undergraduate Research Problems

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ReuF2F is a Lean 4 benchmark comprising 244 formalized open problems sourced from Research Experiences for Undergraduates (REU). It aims to evaluate coding agents on less prominent, entry‑level research problems across diverse mathematical subfields, using a Docker‑based Lean project setup and a unified harness called Leanimum‑agent. The study finds that even the best model solves only about 40 % of the problems, indicating significant room for improvement.

Machine-generated by The Flow from the publisher's headline and feed description — not written or checked by a human. The full article lives at arXiv AI.

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