Claude 3.7 Sonnet Max vs Gemini 2.5 Pro Pro: which model should you choose?
We compared Claude 3.7 Sonnet Max and Gemini 2.5 Pro Pro on price, context window and 12 benchmarks. Claude 3.7 Sonnet Max has the stronger average benchmark score; Claude 3.7 Sonnet Max is cheaper on a blended 3:1 basis.
Claude 3.7 Sonnet Max
Claude 3.7 Sonnet Max is a frontier model from Anthropic. It offers a 128,000-token context window, costs $16.88 per million input tokens and $83.20 per million output tokens, and averages 83.7 across the index's benchmark suite.
- Input
- $16.88 / 1M
- Output
- $83.20 / 1M
- Context
- 128,000
- Avg score
- 83.7
- Open weights
- No
Gemini 2.5 Pro Pro
Gemini 2.5 Pro Pro is a frontier model from Google DeepMind. It offers a 400,000-token context window, costs $17.16 per million input tokens and $90.89 per million output tokens, and averages 83.6 across the index's benchmark suite.
- Input
- $17.16 / 1M
- Output
- $90.89 / 1M
- Context
- 400,000
- Avg score
- 83.6
- Open weights
- No
Specification comparison
| Spec | Claude 3.7 Sonnet Max | Gemini 2.5 Pro Pro | Edge |
|---|---|---|---|
| Input price / 1M | $16.88 | $17.16 | A |
| Output price / 1M | $83.20 | $90.89 | A |
| Context window | 128,000 | 400,000 | B |
| Max output | 32,768 | 8,192 | A |
| Average score | 83.7 | 83.6 | A |
| Arena Elo | 1461.6 | 1460.2 | A |
| Open weights | No | No | Tie |
Benchmark comparison
Claude 3.7 Sonnet Max wins 8, Gemini 2.5 Pro Pro wins 4, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.
| Benchmark | Claude 3.7 Sonnet Max | Gemini 2.5 Pro Pro | Gap | Winner |
|---|---|---|---|---|
| MMLU-Pro | 86.0 | 85.2 | 0.8 | Claude 3.7 Sonnet Max |
| GPQA Diamond | 76.8 | 81.6 | 4.8 | Gemini 2.5 Pro Pro |
| SWE-bench Verified | 76.1 | 72.1 | 4.0 | Claude 3.7 Sonnet Max |
| HumanEval | 90.9 | 88.4 | 2.5 | Claude 3.7 Sonnet Max |
| MATH-500 | 87.2 | 86.8 | 0.4 | Claude 3.7 Sonnet Max |
| AIME 2025 | 80.7 | 83.3 | 2.6 | Gemini 2.5 Pro Pro |
| LiveCodeBench | 78.1 | 76.5 | 1.6 | Claude 3.7 Sonnet Max |
| IFEval | 90.0 | 92.0 | 2.0 | Gemini 2.5 Pro Pro |
| TruthfulQA | 84.7 | 85.5 | 0.8 | Gemini 2.5 Pro Pro |
| HellaSwag | 91.2 | 90.6 | 0.6 | Claude 3.7 Sonnet Max |
| MMMU | 78.8 | 78.1 | 0.7 | Claude 3.7 Sonnet Max |
| Arena Elo | 1461.6 | 1460.2 | 1.4 | Claude 3.7 Sonnet Max |
Price analysis
On a blended 3:1 input-to-output basis, Claude 3.7 Sonnet Max costs about $33.46 per million tokens and Gemini 2.5 Pro Pro costs about $35.59. Claude 3.7 Sonnet Max is roughly 6% cheaper than Gemini 2.5 Pro Pro. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.
Gemini 2.5 Pro Pro has the larger context window at 400,000 tokens, compared with 128,000 for Claude 3.7 Sonnet Max. That matters for long documents, large codebases and multi-step agent traces.
Verdict
Across 12 shared benchmarks, Claude 3.7 Sonnet Max wins 8, Gemini 2.5 Pro Pro wins 4, and 0 are tied. On the index average, Claude 3.7 Sonnet Max leads Gemini 2.5 Pro Pro by 0.1 points (83.7 versus 83.6).
The price picture favours Claude 3.7 Sonnet Max. The context picture favours Gemini 2.5 Pro Pro. 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 Max for quality-sensitive work, and check whether its price holds at your expected volume before committing.
Choose Claude 3.7 Sonnet Max if
- You want the higher average benchmark score in this index.
- Unit cost matters and you want the cheaper blended price.
- You need the larger 32,768-token output limit.
Choose Gemini 2.5 Pro Pro if
- You need the larger 400,000-token context window.
FAQ
Is Claude 3.7 Sonnet Max better than Gemini 2.5 Pro Pro?
On the index average, Claude 3.7 Sonnet Max leads Gemini 2.5 Pro Pro by 0.1 points (83.7 versus 83.6). The better choice depends on price, context and your task. Claude 3.7 Sonnet Max wins 8 benchmarks, Gemini 2.5 Pro Pro wins 4.
Which is cheaper, Claude 3.7 Sonnet Max or Gemini 2.5 Pro Pro?
Claude 3.7 Sonnet Max is cheaper on a blended 3:1 basis at about $33.46 per million tokens, versus $35.59 for Gemini 2.5 Pro Pro.
Which has the larger context window?
Gemini 2.5 Pro Pro has the larger context window at 400,000 tokens. Claude 3.7 Sonnet Max has 128,000 tokens.
Are these models open weights?
Claude 3.7 Sonnet Max is proprietary; Gemini 2.5 Pro Pro is proprietary.
Which should I choose for production?
If you need a single default, start with Claude 3.7 Sonnet Max for quality-sensitive work, and check whether its price holds at your expected volume before committing.