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Language model rankings / Claude Opus 4.5 (32k thinking)

Claude Opus 4.5 (32k thinking)

Anthropic

Marsel score: —
Licence: Proprietary
Context: —
Modalities: —

Released 2025-11-24

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.	86.0	Epoch AI	2025-11-24 ↗	yes