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arXiv · 2610.32575

PHYRD: A Living Benchmark for Reproducing and Extending Theoretical Physics Research

Qituan Zhang·Guo Chen·Linfeng Zhang·Wenlong Zhang
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Abstract

Large language models and agents have shown significant power in advanced physical research. In this paper, We introduce PHYRD, a living benchmark for theoretical-physics reasoning with 63 Reproduce and 43 Discover problems. Reproduce tests derivation of published results; Discover tests consequences of modified theoretical conditions. FormulaForest constructs the tasks with reference solutions and subquestion-level rubrics. Across five models, whole-problem accuracy ranges from 49.21% to 68.25% on Reproduce and from 18.60% to 74.42% on closed-book Discover. With tools, four models complete more Discover problems, but conceptual errors and missing arguments persist. Besides, our experimental results demonstrate the value of FormulaForest as synthetic data. On FrontierScience, a benchmark developed by OpenAI, it raises the accuracy of a Qwen-35B-A3B model from 61% to 72%.

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Qituan Zhang, Guo Chen, Linfeng Zhang, Wenlong Zhang. 2026-10-23. PHYRD: A Living Benchmark for Reproducing and Extending Theoretical Physics Research. https://arxiv.org/abs/2610.32575

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