# Claude Opus 5.5Thinking

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Anthropic

Canonical URL: https://benchize.com/models/claude-opus-5-5-thinking
Last updated: Wed, 21 Oct 2026 18:52:20 GMT

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Anthropic

## Benchmarks

| Benchmark | Score | Rank |  |
| --- | --- | --- | --- |
| [NC Bench](https://benchize.com/benchmarks/nc-bench%3Aoverall.md) | 96.43% | 1 / 144 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 96.43 \| percent \| reported \| Higher is better \| \| `tooling` \| 100 \| percent \| category \| Higher is better \| \| `creative_writing` \| 91.1 \| percent \| category \| Higher is better \| \| `language` \| 99.76 \| percent \| category \| Higher is better \| \| `utility` \| 98.84 \| percent \| category \| Higher is better \| \| `reasoning` \| 95.45 \| percent \| category \| Higher is better \| \| `text_editing` \| 98.6 \| percent \| category \| Higher is better \| \| `rule_following` \| 90.06 \| percent \| category \| Higher is better \| \| `hallucination` \| 97.63 \| percent \| category \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration Claude Opus 5.5 (Reasoning) thinkingEnabled true ### Source [Original source](https://www.nc-bench.com/models) Source nc bench Original model label Claude Opus 5.5 (Reasoning) Observed 2026-10-21T16:31:48.370Z Evidence SHA-256 `ec261022458543624b08a136d01f5a2f0666cd52ffb49c64d6ca983e8543d1b5` Source locator `/rows/0` |  |  |  |

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Cite as: Claude Opus 5.5Thinking — Benchize, https://benchize.com/models/claude-opus-5-5-thinking (retrieved 2026-10-21)