LegendBench - Reasoning: leaderboard

Legend-conditioned reasoning in LegendBench (Zhang et al., 2026): questions that require inference over legend-bound values. Raw accuracy in percent; higher is better.

Metric: Reasoning accuracy (%; raw accuracy on legend-conditioned questions that require inference; LegendBench snapshot of 26,689 legend-centric chart questions generated from 900 base charts with counterfactual legend variants; the same prompt template and hyperparameters for every model). Source: arxiv.org. Saturation forecast: Around February 2027. 12 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.6 Sol74.16#29
2Qwen 3.5 27B56.79#358
3Gemini 2.5 Flash53.71#452
4GLM-4.6V53.41#698
5GPT-4.1 Mini50.38#775

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=legendbench-reasoning · How It Works · Data refreshed daily, snapshot 2026-11-12.