GR-Ben (Thinking) - Mixed-Form Reasoning: leaderboard

Metric: F1 (%) of first-error identification: the harmonic mean of the accuracy on flawed solutions (the earliest erroneous step named) and the accuracy on fully correct solutions (judged correct), on the 399 mixed-form logical-reasoning problems (LogiQA 2.0) of GR-Ben (3,595 human-annotated solutions written by 15 LLMs); LLMs prompted as critics with slow thinking enabled (GPT-5.2 at xhigh and Gemini 3 Flash at high reasoning effort, 32,768 output tokens); higher is better. Source: arxiv.org. Saturation forecast: Around 2029. 7 models tracked.

Top models

#ModelScore
1Gemini 3 Flash (High)68
2DeepSeek V3.2 (Thinking)54.6
3GPT-5.2 (xHigh)52.2
4Qwen 3 8B47.9
5Qwen 3 14B47.3
6Qwen 3 32B46.2
7Qwen 3 4B36.5

Interactive version: theaggregate.ai/benchmark?slug=gr-ben-thinking-mixed-form-reasoning · How It Works · Data refreshed daily, snapshot 2026-10-07.