ChartJudgeBench - CPA Aspect Ratio: leaderboard

Metric: Pairwise judging accuracy (%; the 182 aspect ratio pairs; two-pass position-swapped protocol: each of ChartJudgeBench's 1,003 human-filtered chart pairs (an original chart and a copy with one injected flaw) is judged twice with the order reversed and counts as correct only if the judge picks the better chart both times; temperature 0.1). Source: arxiv.org. Saturation forecast: Around December 2026. 26 models tracked.

Top models

#ModelScore
1Gemini 3 Pro89
2Qwen 3 VL 32B Instruct69.8
3GPT-5.266.5
4Claude Sonnet 4.559.3
5Qwen 2.5 VL 72B Instruct54.9
6Qwen 3 VL 8B Instruct35.2
7Qwen 3 VL 30B A3B (Thinking)18.7
8Qwen 2 VL 7B Instruct11.5
9Qwen 2.5 VL 7B Instruct1.7

Interactive version: theaggregate.ai/benchmark?slug=chartjudgebench-cpa-aspect-ratio · How It Works · Data refreshed daily, snapshot 2026-09-26.