@article{whataresteplevelrewardmodelsrewarding, title = {What Are Step-Level Reward Models Rewarding? Counterintuitive Findings from MCTS-Boosted Mathematical Reasoning}, author = {Yiran Ma and Zui Chen and Tianqiao Liu and Mi Tian and Zhuo Liu and Zitao Liu and Weiqi Luo}, year = {2024}, eprint = {2412.15904}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2412.15904v2}, }