Language model rankings / Claude Sonnet 5 5 Max
Claude Sonnet 5 5 Max
Anthropic
- Marsel score
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- Licence
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Measurements
Each figure is a measurement published by the named source on the named date. Where the source publishes its own page for this model, the date links to it so the figure can be checked at origin.
| Metric | Value | Source | Measured | In score |
|---|---|---|---|---|
| ReasoningPerformance on the source’s reasoning evaluation set, on its own scale. | 95.6 | Epoch AI | 2026-09-29 ↗ | yes |