OpenPRM: Building Open-domain Process-based Reward Models with Preference Trees

Kaiyan Zhang, Jiayuan Zhang, Haoxin Li, Xuekai Zhu, Ermo Hua +4 more
2/12/2026

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@article{zhang2026openprm,
  title  = {OpenPRM: Building Open-domain Process-based Reward Models with Preference Trees},
  author = {Kaiyan Zhang and Jiayuan Zhang and Haoxin Li and Xuekai Zhu and Ermo Hua and Xingtai Lv and Ning Ding and Biqing Qi and Bowen Zhou},
  year   = {2026},
  url    = {https://api.semanticscholar.org/CorpusID:a46fccad97e7be82a7466b6dfe3bb87eccb39913},
  journal = {ICLR 2025 2025}
}

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