ChartDiff - Line: leaderboard

Metric: GPT Score (0 to 5) on the single-series line chart pairs, ChartDiff's 1,500 test chart pairs (two charts rendered side by side as one image), zero-shot; a GPT-5.4 judge compares the model's comparison summary with the underlying CSV data and the human-verified reference summary and gives an integer from 0 (fail) to 5 (excellent) for accuracy, completeness, faithfulness and clarity; mean score; higher is better. Source: arxiv.org. Saturation forecast: Estimated already saturated. 11 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.44.97#76
2GPT-5.4 Mini4.86#202
3Gemini 3.1 Pro (Preview)4.82#54
4Gemini 3.1 Flash Lite4.65#174
5Qwen 3.5 397B A17B4.59#141
6Claude Sonnet 4.64.54#85
7GPT-4o4.23#333
8Qwen 3.5 9B3.82#363
9Qwen 2.5 VL 7B Instruct3.54#643

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=chartdiff-line · How It Works · Data refreshed daily, snapshot 2026-10-11.