Benchmark · 2026

Chartography

A deliberately difficult set of practitioner-authored professional chart-reading tasks.

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Professional chart reading

Solve 100 tasks across 12 domain labels, repeated across 30 model configurations.

Mean pass at one over 20 runs per task, with three expert verifiers and acceptable answer ranges.

Makes difficult professional chart reading a distinct capability and shows that more reasoning often helps only modestly.

Difficulty screening means the score is not the failure rate on ordinary professional charts.

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