GR-Ben: leaderboard

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

Metric: Average (self-reported). Source: benchmarklist.com. Saturation forecast: Around February 2027. 22 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 3 Flash60.5#99
2DeepSeek V3.255.4#205
3Kimi K2 090549.1#288
4GPT-5.247#110
5Qwen 3 32B36.7#443
6Gemma 3 27B (IT)34.7#523
7Qwen 3 8B34.5#674
8Qwen 3 14B34.4#537
9Qwen 3 4B29.3#829
10Gemma 3 12B (IT)25.2#664
11Llama 3.3 70B Instruct22.3#534

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=gr-ben · How It Works · Data refreshed daily, snapshot 2026-10-20.