# Claude Sonnet 5Extra high

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Anthropic

Canonical URL: https://benchize.com/models/claude-sonnet-5-xhigh
Last updated: Thu, 22 Oct 2026 06:30:09 GMT

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Anthropic

## Benchmarks

| Benchmark | Score | ± | Rank | Cost | Latency | Source |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| [GPQA Diamond](https://benchize.com/benchmarks/gpqa-diamond.md) | 90.53% | SE ±1.78 pp | 26 / 126 | — | — | [epoch ai · GPQA diamond](https://epoch.ai/data/benchmark_data.zip#file=gpqa_diamond.csv) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.9053030303030303 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.9053030303030303 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion GPQA diamond reasoningBudget Not reported Reasoning effort xhigh sourceModelVersion claude-sonnet-5_xhigh ### Reported statistics Uncertainty Standard error: ±1.78 pp standardError 0.01783832131341021 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=gpqa_diamond.csv) Source epoch ai Original model label claude-sonnet-5 Source version GPQA diamond Evaluated 2026-07-01T01:22:14.000Z Observed 2026-10-22T03:00:05.281Z Evidence SHA-256 `9ef0b938bdd8406b029d595983ee8ad3a80bd9d64b82605b91b5ce39ba650c39` Source locator `/rows/160` |  |  |  |  |  |  |  |
| [SimpleQA Verified](https://benchize.com/benchmarks/epoch-ai%3Asimpleqa_verified.md) | 32.9% | SE ±1.49 pp | 33 / 40 | — | — | [epoch ai · SimpleQA Verified](https://epoch.ai/data/benchmark_data.zip#file=simpleqa_verified.csv) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.329 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.329 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion SimpleQA Verified reasoningBudget Not reported Reasoning effort xhigh sourceModelVersion claude-sonnet-5_xhigh ### Reported statistics Uncertainty Standard error: ±1.49 pp standardError 0.014865395385928355 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=simpleqa_verified.csv) Source epoch ai Original model label claude-sonnet-5 Source version SimpleQA Verified Evaluated 2026-08-27T19:28:11.000Z Observed 2026-10-22T03:00:05.281Z Evidence SHA-256 `e2d3fae377f0ddd3d079bcc3971b9b9388a0a950289effe7b521177ea2e988cc` Source locator `/rows/71` |  |  |  |  |  |  |  |
| [FrontierCode 1.1 extended](https://benchize.com/benchmarks/frontiercode%3Av1_1%3Aextended.md) | 56.18% | — | 56 / 125 | $8.23 | — | [frontiercode](https://cognition.com/data/frontiercode-leaderboard/data.json) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.5618 \| score_fraction \| blocking_criteria_adjusted \| Higher is better \| \| `correct` \| 0.6166 \| score_fraction \| raw_rubric \| Higher is better \| \| `cost` \| 8.231 \| USD \| per_rollout \| Lower is better \| ### Configuration harness claude-code Reasoning effort xhigh sourceVersion v1_1 subset extended ### Reported statistics flaggedRate 0.006 sampleSize 150 ### Source [Original source](https://cognition.com/data/frontiercode-leaderboard/data.json) Source frontiercode Original model label Claude Sonnet 5 Observed 2026-10-22T05:40:03.220Z Evidence SHA-256 `ff0040778b7bdf69c705ad7474f771fb5e53cfaf5cf8573b3a4614153543d75f` Source locator `/v1_1/data/Claude%20Sonnet%205/xhigh/extended` |  |  |  |  |  |  |  |
| [OTIS Mock AIME 2024–2025](https://benchize.com/benchmarks/epoch-ai%3Aotis_mock_aime_2024_2025.md) | 94.72% | SE ±2.26 pp | 34 / 124 | — | — | [epoch ai · OTIS Mock AIME 2024-2025](https://epoch.ai/data/benchmark_data.zip#file=otis_mock_aime_2024_2025.csv) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.9472222222222222 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.9472222222222222 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion OTIS Mock AIME 2024-2025 reasoningBudget Not reported Reasoning effort xhigh sourceModelVersion claude-sonnet-5_xhigh ### Reported statistics Uncertainty Standard error: ±2.26 pp standardError 0.022644349282618412 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=otis_mock_aime_2024_2025.csv) Source epoch ai Original model label claude-sonnet-5 Source version OTIS Mock AIME 2024-2025 Evaluated 2026-07-01T16:06:23.000Z Observed 2026-10-22T03:00:05.281Z Evidence SHA-256 `b7c9da8c0587c82f1e0d814ceb496c24308380b997a16203b6e5d39eb07f4f50` Source locator `/rows/168` |  |  |  |  |  |  |  |
| [DeepSWE](https://benchize.com/benchmarks/deepswe%3Av1.1.md) | 49.67% | Range 46.21–53.12% | 50 / 70 | $11.89 | 2,414.45s | [deepswe](https://deepswe.datacurve.ai/artifacts/v1.1/leaderboard-live.json) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `pass_at_1` \| 0.49667405764966743 \| score_fraction \| scored_rollout_attempts \| Higher is better \| \| `pass_at_4` \| 0.7522123893805309 \| score_fraction \| tasks_with_one_passing_rollout \| Higher is better \| \| `cost_per_attempt` \| 11.890634540022173 \| USD \| scored_attempt \| Lower is better \| \| `duration` \| 2414.4529098159646 \| seconds \| scored_attempt \| Lower is better \| ### Configuration harness mini-swe-agent Reasoning effort xhigh sourceConfiguration mini_swe_agent_claude_sonnet_5_xhigh ### Reported statistics Uncertainty Reported interval: 46.21–53.12% interval [0.4621285677328888,0.5312195475664461] intervalMethod 95% run-to-run: SE across repeated whole-benchmark passes (1.96 * std(runs)/sqrt(R)) runCount 4 sampleSize 451 taskCount 113 ### Source [Original source](https://deepswe.datacurve.ai/artifacts/v1.1/leaderboard-live.json) Source deepswe Original model label claude-sonnet-5 Observed 2026-10-22T03:50:05.889Z Evidence SHA-256 `a7c15d66288fd249c020b9931c017b92d1a3b90e480b3ff34974b752bd030019` Source locator `/rows/49` |  |  |  |  |  |  |  |
| [AutomationBench](https://benchize.com/benchmarks/zapier%3Aautomationbench.md) | 7.61% | — | 78 / 113 | $0.67 | — | [zapier](https://framerusercontent.com/sites/4WTSl4BNjd1q9QFEFibC6h/lOvLnhItj8S8-1vyjH_s33Jn-WmUXPmiJ5Diajl0Q38.CMutaHYl.mjs) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 7.61 \| percent \| reported \| Higher is better \| \| `cost` \| 0.67 \| USD \| per_task \| Lower is better \| ### Configuration benchmarkVersion 1.0.6 costFootnote false Fallback policy Not reported Reasoning effort xhigh Model configuration Claude Sonnet 5 (XHigh) thinkingEnabled true ### Reported statistics rank 88 ### Source [Original source](https://framerusercontent.com/sites/4WTSl4BNjd1q9QFEFibC6h/lOvLnhItj8S8-1vyjH_s33Jn-WmUXPmiJ5Diajl0Q38.CMutaHYl.mjs) Source zapier Original model label Claude Sonnet 5 (XHigh) Observed 2026-10-21T16:34:56.783Z Evidence SHA-256 `43978e38f018789fa59c11de5328abe9e5905bfa9a5a4d601fa3aa4d9c153b0d` Source locator `/rows/87` |  |  |  |  |  |  |  |
| [FrontierCode 1.1 main](https://benchize.com/benchmarks/frontiercode%3Av1_1%3Amain.md) | 42.73% | — | 55 / 125 | $10.07 | — | [frontiercode](https://cognition.com/data/frontiercode-leaderboard/data.json) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.4273 \| score_fraction \| blocking_criteria_adjusted \| Higher is better \| \| `correct` \| 0.4759 \| score_fraction \| raw_rubric \| Higher is better \| \| `cost` \| 10.0666 \| USD \| per_rollout \| Lower is better \| ### Configuration harness claude-code Reasoning effort xhigh sourceVersion v1_1 subset main ### Reported statistics flaggedRate 0.005 sampleSize 100 ### Source [Original source](https://cognition.com/data/frontiercode-leaderboard/data.json) Source frontiercode Original model label Claude Sonnet 5 Observed 2026-10-22T05:40:03.220Z Evidence SHA-256 `ff0040778b7bdf69c705ad7474f771fb5e53cfaf5cf8573b3a4614153543d75f` Source locator `/v1_1/data/Claude%20Sonnet%205/xhigh/main` |  |  |  |  |  |  |  |
| [Chess Puzzles](https://benchize.com/benchmarks/epoch-ai%3Achess_puzzles.md) | 34% | SE ±4.76 pp | 35 / 64 | — | — | [epoch ai · Chess Puzzles](https://epoch.ai/data/benchmark_data.zip#file=chess_puzzles.csv) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.34 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.34 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion Chess Puzzles reasoningBudget Not reported Reasoning effort xhigh sourceModelVersion claude-sonnet-5_xhigh ### Reported statistics Uncertainty Standard error: ±4.76 pp standardError 0.04760952285695234 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=chess_puzzles.csv) Source epoch ai Original model label claude-sonnet-5 Source version Chess Puzzles Evaluated 2026-10-13T13:23:17.000Z Observed 2026-10-22T03:00:05.281Z Evidence SHA-256 `a5b99d6d35252907b04e9a802873a9754ecc0248be92a1ebbd2ef0450e4bb015` Source locator `/rows/125` |  |  |  |  |  |  |  |

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Cite as: Claude Sonnet 5Extra high — Benchize, https://benchize.com/models/claude-sonnet-5-xhigh (retrieved 2026-10-22)