Claude Sonnet 4.5 vs Claude Sonnet 4.6
13 shared benchmark contexts with reported scores and primary source links.
Claude Sonnet 4.5Claude Sonnet 4.6
Change models in the comparison toolShared benchmarks
13| Benchmark | Claude Sonnet 4.5 | Claude Sonnet 4.6 |
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Evaluation details for GPQA Diamond — Epoch AI harnessThe recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. Claude Sonnet 4.5 | ||
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Evaluation details for GPQA Diamond — Vals AI harnessThe recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. | ||
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Evaluation details for MCP Atlas Public, April 2026 updateThe recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. Claude Sonnet 4.5 Claude Sonnet 4.6 | ||
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Evaluation details for MMLU-Pro Original — Vals AI harnessThe recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. Claude Sonnet 4.5 Claude Sonnet 4.6 | ||
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Evaluation details for MMMU-Pro Vals AI harnessThe recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. Claude Sonnet 4.5 Claude Sonnet 4.6 | ||
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Evaluation details for OSWorld Verified — 100 stepsThe recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. Claude Sonnet 4.5 Claude Sonnet 4.6 | ||
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Evaluation details for SimpleQA Verified Original — Epoch AI harnessThe recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. | ||
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Evaluation details for SWE-bench VerifiedThe recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. Claude Sonnet 4.5 Claude Sonnet 4.6 | ||
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Evaluation details for SWE-bench Verified — Epoch AI harnessThe recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. | ||
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Evaluation details for SWE-bench Verified — Vals AI mini-swe-agentThe recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. | ||
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Evaluation details for Terminal-Bench 2.0 — Vals AI Terminus 2The recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. | ||
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Evaluation details for Toolathlon OriginalThe recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. Claude Sonnet 4.5 Claude Sonnet 4.6 | ||
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Evaluation details for Vibe Code Bench 1.1 — OpenHands, October 2026 evaluationThe recorded benchmark version, metric, and evaluator sets match. Evaluation methodology is not recorded by the registry. | ||