Claude 3.7 Sonnet Max vs Gemini 3 Flash Turbo: which model should you choose?
We compared Claude 3.7 Sonnet Max and Gemini 3 Flash Turbo on price, context window and 12 benchmarks. Gemini 3 Flash Turbo has the stronger average benchmark score; Gemini 3 Flash Turbo 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 3 Flash Turbo
Gemini 3 Flash Turbo is a frontier model from Google DeepMind. It offers a 200,000-token context window, costs $17.07 per million input tokens and $69.05 per million output tokens, and averages 84.1 across the index's benchmark suite.
- Input
- $17.07 / 1M
- Output
- $69.05 / 1M
- Context
- 200,000
- Avg score
- 84.1
- Open weights
- No
Specification comparison
| Spec | Claude 3.7 Sonnet Max | Gemini 3 Flash Turbo | Edge |
|---|---|---|---|
| Input price / 1M | $16.88 | $17.07 | A |
| Output price / 1M | $83.20 | $69.05 | B |
| Context window | 128,000 | 200,000 | B |
| Max output | 32,768 | 16,384 | A |
| Average score | 83.7 | 84.1 | B |
| Arena Elo | 1461.6 | 1473.4 | B |
| Open weights | No | No | Tie |
Benchmark comparison
Claude 3.7 Sonnet Max wins 4, Gemini 3 Flash 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 Max | Gemini 3 Flash Turbo | Gap | Winner |
|---|---|---|---|---|
| MMLU-Pro | 86.0 | 87.9 | 1.9 | Gemini 3 Flash Turbo |
| GPQA Diamond | 76.8 | 77.5 | 0.7 | Gemini 3 Flash Turbo |
| SWE-bench Verified | 76.1 | 72.5 | 3.6 | Claude 3.7 Sonnet Max |
| HumanEval | 90.9 | 90.6 | 0.3 | Claude 3.7 Sonnet Max |
| MATH-500 | 87.2 | 87.6 | 0.4 | Gemini 3 Flash Turbo |
| AIME 2025 | 80.7 | 81.3 | 0.6 | Gemini 3 Flash Turbo |
| LiveCodeBench | 78.1 | 78.5 | 0.4 | Gemini 3 Flash Turbo |
| IFEval | 90.0 | 88.9 | 1.1 | Claude 3.7 Sonnet Max |
| TruthfulQA | 84.7 | 87.4 | 2.7 | Gemini 3 Flash Turbo |
| HellaSwag | 91.2 | 89.5 | 1.7 | Claude 3.7 Sonnet Max |
| MMMU | 78.8 | 83.0 | 4.2 | Gemini 3 Flash Turbo |
| Arena Elo | 1461.6 | 1473.4 | 11.8 | Gemini 3 Flash Turbo |
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 3 Flash Turbo costs about $30.06. Gemini 3 Flash Turbo is roughly 10% cheaper than Claude 3.7 Sonnet Max. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.
Gemini 3 Flash Turbo has the larger context window at 200,000 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 4, Gemini 3 Flash Turbo wins 8, and 0 are tied. On the index average, Gemini 3 Flash Turbo leads Claude 3.7 Sonnet Max by 0.4 points (84.1 versus 83.7).
The price picture favours Gemini 3 Flash Turbo. The context picture favours Gemini 3 Flash Turbo. 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 Gemini 3 Flash Turbo for quality-sensitive work, and check whether its price holds at your expected volume before committing.
Choose Claude 3.7 Sonnet Max if
- You need the larger 32,768-token output limit.
Choose Gemini 3 Flash Turbo 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 200,000-token context window.
FAQ
Is Claude 3.7 Sonnet Max better than Gemini 3 Flash Turbo?
On the index average, Gemini 3 Flash Turbo leads Claude 3.7 Sonnet Max by 0.4 points (84.1 versus 83.7). The better choice depends on price, context and your task. Claude 3.7 Sonnet Max wins 4 benchmarks, Gemini 3 Flash Turbo wins 8.
Which is cheaper, Claude 3.7 Sonnet Max or Gemini 3 Flash Turbo?
Gemini 3 Flash Turbo is cheaper on a blended 3:1 basis at about $30.06 per million tokens, versus $33.46 for Claude 3.7 Sonnet Max.
Which has the larger context window?
Gemini 3 Flash Turbo has the larger context window at 200,000 tokens. Claude 3.7 Sonnet Max has 128,000 tokens.
Are these models open weights?
Claude 3.7 Sonnet Max is proprietary; Gemini 3 Flash Turbo is proprietary.
Which should I choose for production?
If you need a single default, start with Gemini 3 Flash Turbo for quality-sensitive work, and check whether its price holds at your expected volume before committing.