Gemini 3 Flash Pro vs Gemini 3 Flash Turbo: which model should you choose?
We compared Gemini 3 Flash Pro and Gemini 3 Flash Turbo on price, context window and 12 benchmarks. Gemini 3 Flash Pro has the stronger average benchmark score; Gemini 3 Flash Turbo is cheaper on a blended 3:1 basis.
Gemini 3 Flash Pro
Gemini 3 Flash Pro is a frontier model from Google DeepMind. It offers a 400,000-token context window, costs $17.71 per million input tokens and $86.50 per million output tokens, and averages 84.8 across the index's benchmark suite.
- Input
- $17.71 / 1M
- Output
- $86.50 / 1M
- Context
- 400,000
- Avg score
- 84.8
- 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 | Gemini 3 Flash Pro | Gemini 3 Flash Turbo | Edge |
|---|---|---|---|
| Input price / 1M | $17.71 | $17.07 | B |
| Output price / 1M | $86.50 | $69.05 | B |
| Context window | 400,000 | 200,000 | A |
| Max output | 4,096 | 16,384 | B |
| Average score | 84.8 | 84.1 | A |
| Arena Elo | 1469.2 | 1473.4 | B |
| Open weights | No | No | Tie |
Benchmark comparison
Gemini 3 Flash Pro wins 6, Gemini 3 Flash Turbo wins 5, and 1 benchmarks are tied. The table shows the modelled score for each model and the gap.
| Benchmark | Gemini 3 Flash Pro | Gemini 3 Flash Turbo | Gap | Winner |
|---|---|---|---|---|
| MMLU-Pro | 87.0 | 87.9 | 0.9 | Gemini 3 Flash Turbo |
| GPQA Diamond | 77.7 | 77.5 | 0.2 | Gemini 3 Flash Pro |
| SWE-bench Verified | 73.3 | 72.5 | 0.8 | Gemini 3 Flash Pro |
| HumanEval | 89.9 | 90.6 | 0.7 | Gemini 3 Flash Turbo |
| MATH-500 | 91.8 | 87.6 | 4.2 | Gemini 3 Flash Pro |
| AIME 2025 | 79.9 | 81.3 | 1.4 | Gemini 3 Flash Turbo |
| LiveCodeBench | 80.2 | 78.5 | 1.7 | Gemini 3 Flash Pro |
| IFEval | 92.8 | 88.9 | 3.9 | Gemini 3 Flash Pro |
| TruthfulQA | 86.2 | 87.4 | 1.2 | Gemini 3 Flash Turbo |
| HellaSwag | 90.6 | 89.5 | 1.1 | Gemini 3 Flash Pro |
| MMMU | 83.0 | 83.0 | 0.0 | Tie |
| Arena Elo | 1469.2 | 1473.4 | 4.2 | Gemini 3 Flash Turbo |
Price analysis
On a blended 3:1 input-to-output basis, Gemini 3 Flash Pro costs about $34.91 per million tokens and Gemini 3 Flash Turbo costs about $30.06. Gemini 3 Flash Turbo is roughly 14% cheaper than Gemini 3 Flash Pro. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.
Gemini 3 Flash Pro has the larger context window at 400,000 tokens, compared with 200,000 for Gemini 3 Flash Turbo. That matters for long documents, large codebases and multi-step agent traces.
Verdict
Across 12 shared benchmarks, Gemini 3 Flash Pro wins 6, Gemini 3 Flash Turbo wins 5, and 1 are tied. On the index average, Gemini 3 Flash Pro leads Gemini 3 Flash Turbo by 0.7 points (84.8 versus 84.1).
The price picture favours Gemini 3 Flash Turbo. The context picture favours Gemini 3 Flash 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 Gemini 3 Flash Pro for quality-sensitive work and Gemini 3 Flash Turbo for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.
Choose Gemini 3 Flash Pro if
- You want the higher average benchmark score in this index.
- You need the larger 400,000-token context window.
Choose Gemini 3 Flash Turbo if
- Unit cost matters and you want the cheaper blended price.
- You need the larger 16,384-token output limit.
FAQ
Is Gemini 3 Flash Pro better than Gemini 3 Flash Turbo?
On the index average, Gemini 3 Flash Pro leads Gemini 3 Flash Turbo by 0.7 points (84.8 versus 84.1). The better choice depends on price, context and your task. Gemini 3 Flash Pro wins 6 benchmarks, Gemini 3 Flash Turbo wins 5.
Which is cheaper, Gemini 3 Flash Pro 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 $34.91 for Gemini 3 Flash Pro.
Which has the larger context window?
Gemini 3 Flash Pro has the larger context window at 400,000 tokens. Gemini 3 Flash Turbo has 200,000 tokens.
Are these models open weights?
Gemini 3 Flash Pro 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 Pro for quality-sensitive work and Gemini 3 Flash Turbo for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.