Claude 3.7 Sonnet vs Claude 3.7 Sonnet Turbo: which model should you choose?
We compared Claude 3.7 Sonnet and Claude 3.7 Sonnet Turbo on price, context window and 12 benchmarks. Claude 3.7 Sonnet Turbo has the stronger average benchmark score; Claude 3.7 Sonnet Turbo is cheaper on a blended 3:1 basis.
Claude 3.7 Sonnet
Claude 3.7 Sonnet is a multimodal model from Anthropic. It offers a 200,000-token context window, costs $14.91 per million input tokens and $74.27 per million output tokens, and averages 81.6 across the index's benchmark suite.
- Input
- $14.91 / 1M
- Output
- $74.27 / 1M
- Context
- 200,000
- Avg score
- 81.6
- Open weights
- No
Claude 3.7 Sonnet Turbo
Claude 3.7 Sonnet Turbo is a multimodal model from Anthropic. It offers a 200,000-token context window, costs $15.56 per million input tokens and $63.75 per million output tokens, and averages 82.3 across the index's benchmark suite.
- Input
- $15.56 / 1M
- Output
- $63.75 / 1M
- Context
- 200,000
- Avg score
- 82.3
- Open weights
- No
Specification comparison
| Spec | Claude 3.7 Sonnet | Claude 3.7 Sonnet Turbo | Edge |
|---|---|---|---|
| Input price / 1M | $14.91 | $15.56 | A |
| Output price / 1M | $74.27 | $63.75 | B |
| Context window | 200,000 | 200,000 | Tie |
| Max output | 128,000 | 16,384 | A |
| Average score | 81.6 | 82.3 | B |
| Arena Elo | 1451.9 | 1458.8 | B |
| Open weights | No | No | Tie |
Benchmark comparison
Claude 3.7 Sonnet wins 4, Claude 3.7 Sonnet Turbo wins 8, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.
| Benchmark | Claude 3.7 Sonnet | Claude 3.7 Sonnet Turbo | Gap | Winner |
|---|---|---|---|---|
| MMLU-Pro | 83.5 | 82.1 | 1.4 | Claude 3.7 Sonnet |
| GPQA Diamond | 80.2 | 79.7 | 0.5 | Claude 3.7 Sonnet |
| SWE-bench Verified | 70.1 | 73.9 | 3.8 | Claude 3.7 Sonnet Turbo |
| HumanEval | 85.7 | 87.6 | 1.9 | Claude 3.7 Sonnet Turbo |
| MATH-500 | 88.9 | 86.8 | 2.1 | Claude 3.7 Sonnet |
| AIME 2025 | 81.2 | 81.4 | 0.2 | Claude 3.7 Sonnet Turbo |
| LiveCodeBench | 75.0 | 75.5 | 0.5 | Claude 3.7 Sonnet Turbo |
| IFEval | 88.5 | 87.4 | 1.1 | Claude 3.7 Sonnet |
| TruthfulQA | 81.7 | 82.6 | 0.9 | Claude 3.7 Sonnet Turbo |
| HellaSwag | 87.6 | 91.0 | 3.4 | Claude 3.7 Sonnet Turbo |
| MMMU | 75.5 | 77.6 | 2.1 | Claude 3.7 Sonnet Turbo |
| Arena Elo | 1451.9 | 1458.8 | 6.9 | Claude 3.7 Sonnet Turbo |
Price analysis
On a blended 3:1 input-to-output basis, Claude 3.7 Sonnet costs about $29.75 per million tokens and Claude 3.7 Sonnet Turbo costs about $27.61. Claude 3.7 Sonnet Turbo is roughly 7% cheaper than Claude 3.7 Sonnet. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.
Both models list a 200,000-token context window. That is enough for long documents, large codebases and multi-step agent traces.
Verdict
Across 12 shared benchmarks, Claude 3.7 Sonnet wins 4, Claude 3.7 Sonnet Turbo wins 8, and 0 are tied. On the index average, Claude 3.7 Sonnet Turbo leads Claude 3.7 Sonnet by 0.7 points (82.3 versus 81.6).
The price picture favours Claude 3.7 Sonnet Turbo. The context picture is effectively a tie. Those two dimensions often matter more than a few benchmark points once a model is good enough for the task.
If you need a single default, start with Claude 3.7 Sonnet Turbo for quality-sensitive work, and check whether its price holds at your expected volume before committing.
Choose Claude 3.7 Sonnet if
- You need the larger 128,000-token output limit.
Choose Claude 3.7 Sonnet Turbo if
- You want the higher average benchmark score in this index.
- Unit cost matters and you want the cheaper blended price.
- The workload needs multi-step reasoning.
FAQ
Is Claude 3.7 Sonnet better than Claude 3.7 Sonnet Turbo?
On the index average, Claude 3.7 Sonnet Turbo leads Claude 3.7 Sonnet by 0.7 points (82.3 versus 81.6). The better choice depends on price, context and your task. Claude 3.7 Sonnet wins 4 benchmarks, Claude 3.7 Sonnet Turbo wins 8.
Which is cheaper, Claude 3.7 Sonnet or Claude 3.7 Sonnet Turbo?
Claude 3.7 Sonnet Turbo is cheaper on a blended 3:1 basis at about $27.61 per million tokens, versus $29.75 for Claude 3.7 Sonnet.
Which has the larger context window?
Both models list a 200,000-token context window.
Are these models open weights?
Claude 3.7 Sonnet is proprietary; Claude 3.7 Sonnet Turbo is proprietary.
Which should I choose for production?
If you need a single default, start with Claude 3.7 Sonnet Turbo for quality-sensitive work, and check whether its price holds at your expected volume before committing.