# Claude Opus 4Thinking

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Anthropic

Canonical URL: https://benchize.com/models/claude-opus-4-thinking
Last updated: Wed, 21 Oct 2026 18:05:10 GMT

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Anthropic

## Benchmarks

| Benchmark | Score | ± | Rank |  |
| --- | --- | --- | --- | --- |
| [VISTA](https://benchize.com/benchmarks/scale%3Avisual_language_understanding.md) | 46.96source score | CI 46.01–47.91 | 2 / 16 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 46.96 \| source_score \| reported \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration Claude Opus 4 (Thinking) sourceModelVersion Not reported thinkingEnabled true ### Reported statistics Uncertainty Confidence interval: 46.01–47.91 contaminationWarning Not reported rank 21 reportedConfidenceHalfWidth 0.95 ### Source [Original source](https://labs.scale.com/leaderboard/visual_language_understanding) Source scale Original model label Claude Opus 4 (Thinking) Observed 2026-10-21T16:35:38.974Z Evidence SHA-256 `469e2d64808796dc35f1a8b8b0abe7daefeb7c5ee06fa9b6ba8b34c42d4b19b5` Source locator `/rows/20` |  |  |  |  |
| [MASK](https://benchize.com/benchmarks/scale%3Amask.md) | 87.87source score | CI 84.11–91.63 | 5 / 25 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 87.87 \| source_score \| reported \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration Claude Opus 4 (Thinking) sourceModelVersion claude-opus-4-20250514-thinking thinkingEnabled true ### Reported statistics Uncertainty Confidence interval: 84.11–91.63 contaminationWarning Not reported rank 10 reportedConfidenceHalfWidth 3.76 ### Source [Original source](https://labs.scale.com/leaderboard/mask) Source scale Original model label Claude Opus 4 (Thinking) Observed 2026-10-21T16:35:38.046Z Evidence SHA-256 `506198f10b9789b267cc2a11dcdfedc27067703da430d78b374b2c5dffb8ec7d` Source locator `/rows/9` |  |  |  |  |
| [Humanity’s Last Exam (HLE)](https://benchize.com/benchmarks/hle.md) | 10.72source score | CI 9.51–11.93 | 7 / 17 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 10.72 \| source_score \| reported \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration Claude Opus 4 (Thinking) sourceModelVersion Not reported thinkingEnabled true ### Reported statistics Uncertainty Confidence interval: 9.51–11.93 contaminationWarning Potential contamination warning: This model was evaluated after the public release of HLE, allowing model builder access to the prompts and solutions. rank 33 reportedConfidenceHalfWidth 1.21 ### Source [Original source](https://labs.scale.com/leaderboard/humanitys_last_exam) Source scale Original model label Claude Opus 4 (Thinking) Observed 2026-10-21T16:35:32.694Z Evidence SHA-256 `9970bf9ee4f6b6b167633a94634adae7ac9c906447d6db087a8dc9877c1b71e0` Source locator `/rows/32` |  |  |  |  |
| [Humanity's Last Exam (Text Only)](https://benchize.com/benchmarks/scale%3Ahumanitys_last_exam_text_only.md) | 10.8source score | CI 9.49–12.11 | 12 / 25 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 10.8 \| source_score \| reported \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration Claude Opus 4 (Thinking) sourceModelVersion Not reported thinkingEnabled true ### Reported statistics Uncertainty Confidence interval: 9.49–12.11 contaminationWarning Potential contamination warning: This model was evaluated after the public release of HLE, allowing model builder access to the prompts and solutions. Sampled at temperature 0.3. rank 36 reportedConfidenceHalfWidth 1.31 ### Source [Original source](https://labs.scale.com/leaderboard/humanitys_last_exam_text_only) Source scale Original model label Claude Opus 4 (Thinking) Observed 2026-10-21T16:35:33.193Z Evidence SHA-256 `4004825ae58bdcc249c0d26dab811842c6d172b2a67bc35e69949fbf12ead757` Source locator `/rows/35` |  |  |  |  |

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Cite as: Claude Opus 4Thinking — Benchize, https://benchize.com/models/claude-opus-4-thinking (retrieved 2026-10-21)