GR-Ben: A General Reasoning Benchmark for Evaluating Process Reward Models

Fuente: arXiv
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Main Authors: Sun, Zhouhao, Zhang, Xuan, Ding, Xiao, Cai, Bibo, Du, Li, Xiong, Kai, Dai, Xinran, Zhang, Fei, tang, weidi, Kan, Zhiyuan, Zhao, Yang, Qin, Bing, Liu, Ting
Format: Preprint
Published: 2026
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author Sun, Zhouhao
Zhang, Xuan
Ding, Xiao
Cai, Bibo
Du, Li
Xiong, Kai
Dai, Xinran
Zhang, Fei
tang, weidi
Kan, Zhiyuan
Zhao, Yang
Qin, Bing
Liu, Ting
author_facet Sun, Zhouhao
Zhang, Xuan
Ding, Xiao
Cai, Bibo
Du, Li
Xiong, Kai
Dai, Xinran
Zhang, Fei
tang, weidi
Kan, Zhiyuan
Zhao, Yang
Qin, Bing
Liu, Ting
contents Currently, process reward models (PRMs) have exhibited remarkable potential for test-time scaling. Since large language models (LLMs) regularly generate flawed intermediate reasoning steps when tackling a broad spectrum of reasoning and decision-making tasks, PRMs are required to possess capabilities for detecting process-level errors in real-world scenarios. However, existing benchmarks primarily focus on mathematical reasoning, thereby failing to comprehensively evaluate the error detection ability of PRMs across diverse reasoning scenarios. To mitigate this gap, we introduce GR-Ben, a process-level benchmark specifically designed for assessing PRM's performance across two primary reasoning domains (science and logic) and nine subdomains. We conduct extensive experiments on a diverse set of 22 models, encompassing both PRMs and LLMs, and derive two key findings: (1) In domains beyond mathematical reasoning, the error-detection ability of existing PRMs and LLMs is found to be markedly weaker by comparison.(2) In general, PRMs are less adept at identifying knowledge-based errors, whereas LLMs exhibit poorer performance in detecting computational errors. We hope GR-Ben can foster future researches on PRMs for general domains, thereby enhancing the reasoning capabilities of LLMs.
format Preprint
id arxiv_https___arxiv_org_abs_2605_01203
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle GR-Ben: A General Reasoning Benchmark for Evaluating Process Reward Models
Sun, Zhouhao
Zhang, Xuan
Ding, Xiao
Cai, Bibo
Du, Li
Xiong, Kai
Dai, Xinran
Zhang, Fei
tang, weidi
Kan, Zhiyuan
Zhao, Yang
Qin, Bing
Liu, Ting
Artificial Intelligence
Computation and Language
Currently, process reward models (PRMs) have exhibited remarkable potential for test-time scaling. Since large language models (LLMs) regularly generate flawed intermediate reasoning steps when tackling a broad spectrum of reasoning and decision-making tasks, PRMs are required to possess capabilities for detecting process-level errors in real-world scenarios. However, existing benchmarks primarily focus on mathematical reasoning, thereby failing to comprehensively evaluate the error detection ability of PRMs across diverse reasoning scenarios. To mitigate this gap, we introduce GR-Ben, a process-level benchmark specifically designed for assessing PRM's performance across two primary reasoning domains (science and logic) and nine subdomains. We conduct extensive experiments on a diverse set of 22 models, encompassing both PRMs and LLMs, and derive two key findings: (1) In domains beyond mathematical reasoning, the error-detection ability of existing PRMs and LLMs is found to be markedly weaker by comparison.(2) In general, PRMs are less adept at identifying knowledge-based errors, whereas LLMs exhibit poorer performance in detecting computational errors. We hope GR-Ben can foster future researches on PRMs for general domains, thereby enhancing the reasoning capabilities of LLMs.
title GR-Ben: A General Reasoning Benchmark for Evaluating Process Reward Models
topic Artificial Intelligence
Computation and Language
url https://arxiv.org/abs/2605.01203