AnthropicClaude 37 Sonnet
Claude 37 Sonnet is an Anthropic proprietary model. It is not yet ranked: 1 independent result so far, and the index needs at least five across two categories. Last measured 8 Oct 2025.stale: no new result in six months
- Blended price
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- Output speed
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- First answer
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- Context
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- Full answer
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- Cost per run
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- Released
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- date not published by our sources
- Instruction following37
Versions
Anthropic has shipped 10 models under this name. Each is ranked on its own results; a newer version often has fewer results so far, which holds its index nearer the average until more arrive.
| Model | Released | Index | Rank |
|---|---|---|---|
| Claude Sonnet 5.5max | 28 Sept 2026 | 69.4 | #10 |
| Claude Sonnet 5high | 30 Jun 2026 | 60.1 | #116 |
| Claude Sonnet 4.6 | 17 Feb 2026 | 57.1 | #185 |
| Claude Sonnet 4.5high | 29 Sept 2025 | 58.1 | #161 |
| Claude Sonnet 4thinking | 22 May 2025 | 53.2 | #293 |
| Claude 3.7 Sonnetthinking | 24 Feb 2025 | 51.0 | #352 |
| Claude 3.5 Sonnet | 22 Oct 2024 | 46.3 | #490 |
| Claude 3 Sonnet | 29 Feb 2024 | 38.0 | #721 |
| Claude 37 Sonnetthinkingthis page | – | – | – |
| Claude Sonnet 5.0max | – | – | – |
Benchmark results
See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Instruction following
| Benchmark | thinking | Source |
|---|---|---|
| TutorBench | 46.5%#23 | Scale AI SEAL |
More from Anthropic
See also
Questions people ask
- Why does Claude 37 Sonnet have no BenchLeader Index score?
- The index needs at least five independent results across at least two categories; as of 25 Oct 2026 Claude 37 Sonnet has 1 that count. Launch-post scores are never used, so it is ranked once independent publishers have measured it.
Data as of 25 Oct 2026. Compare with another model.
Cite as: BenchLeader, “Claude 37 Sonnet: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/claude-37-sonnet.