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RiemannBench without tools

Research-level mathematics problems with unique programmatically verified closed-form answers.

1 models

Higher is better.

  1. 1Claude Opus 5Anthropic60.0
Higher is better. Bar colour: blue proprietary, orange open weights, green other.

About this benchmark

Metric
Accuracy without tools
Tasks
25 private research-level mathematics problems
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.