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Chartography without tools

Professional chart understanding across 100 specialized chart types with expert-set answer tolerances.

5 models

Higher is better.

  1. 1Gemini 4 ArgonGoogle71.6
  2. 2Claude Opus 5.5Anthropic64.4
  3. 3Claude Sonnet 5.5Anthropic61.6
  4. 4Claude Haiku 5.5Anthropic46.4
  5. 5Claude Opus 5Anthropic29.6
Higher is better. Bar colour: blue proprietary, orange open weights, green other.

About this benchmark

Metric
Accuracy without tools
Tasks
100 specialized chart types
Authors
Surge AI and Anthropic (2026)

Scores are as reported by model developers or evaluators and may use different settings (for example reasoning effort or tools). Compare with care.