Gemini 3 Pro Reasoning vs Gemini 3 Pro Turbo: which model should you choose?
We compared Gemini 3 Pro Reasoning and Gemini 3 Pro Turbo on price, context window and 12 benchmarks. Gemini 3 Pro Reasoning has the stronger average benchmark score; Gemini 3 Pro Turbo is cheaper on a blended 3:1 basis.
Gemini 3 Pro Reasoning
Gemini 3 Pro Reasoning is a frontier model from Google DeepMind. It offers a 200,000-token context window, costs $19.69 per million input tokens and $98.36 per million output tokens, and averages 87.5 across the index's benchmark suite.
- Input
- $19.69 / 1M
- Output
- $98.36 / 1M
- Context
- 200,000
- Avg score
- 87.5
- Open weights
- No
Gemini 3 Pro Turbo
Gemini 3 Pro Turbo is a frontier model from Google DeepMind. It offers a 400,000-token context window, costs $19.62 per million input tokens and $89.91 per million output tokens, and averages 86.4 across the index's benchmark suite.
- Input
- $19.62 / 1M
- Output
- $89.91 / 1M
- Context
- 400,000
- Avg score
- 86.4
- Open weights
- No
Specification comparison
| Spec | Gemini 3 Pro Reasoning | Gemini 3 Pro Turbo | Edge |
|---|---|---|---|
| Input price / 1M | $19.69 | $19.62 | B |
| Output price / 1M | $98.36 | $89.91 | B |
| Context window | 200,000 | 400,000 | B |
| Max output | 8,192 | 16,384 | B |
| Average score | 87.5 | 86.4 | A |
| Arena Elo | 1485.0 | 1494.9 | B |
| Open weights | No | No | Tie |
Benchmark comparison
Gemini 3 Pro Reasoning wins 6, Gemini 3 Pro Turbo wins 6, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.
| Benchmark | Gemini 3 Pro Reasoning | Gemini 3 Pro Turbo | Gap | Winner |
|---|---|---|---|---|
| MMLU-Pro | 90.1 | 85.6 | 4.5 | Gemini 3 Pro Reasoning |
| GPQA Diamond | 83.9 | 81.0 | 2.9 | Gemini 3 Pro Reasoning |
| SWE-bench Verified | 76.3 | 77.4 | 1.1 | Gemini 3 Pro Turbo |
| HumanEval | 90.2 | 90.3 | 0.1 | Gemini 3 Pro Turbo |
| MATH-500 | 93.3 | 92.4 | 0.9 | Gemini 3 Pro Reasoning |
| AIME 2025 | 88.8 | 82.8 | 6.0 | Gemini 3 Pro Reasoning |
| LiveCodeBench | 82.0 | 82.7 | 0.7 | Gemini 3 Pro Turbo |
| IFEval | 93.8 | 93.4 | 0.4 | Gemini 3 Pro Reasoning |
| TruthfulQA | 90.3 | 87.8 | 2.5 | Gemini 3 Pro Reasoning |
| HellaSwag | 93.5 | 94.6 | 1.1 | Gemini 3 Pro Turbo |
| MMMU | 80.8 | 82.7 | 1.9 | Gemini 3 Pro Turbo |
| Arena Elo | 1485.0 | 1494.9 | 9.9 | Gemini 3 Pro Turbo |
Price analysis
On a blended 3:1 input-to-output basis, Gemini 3 Pro Reasoning costs about $39.36 per million tokens and Gemini 3 Pro Turbo costs about $37.19. Gemini 3 Pro Turbo is roughly 6% cheaper than Gemini 3 Pro Reasoning. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.
Gemini 3 Pro Turbo has the larger context window at 400,000 tokens, compared with 200,000 for Gemini 3 Pro Reasoning. That matters for long documents, large codebases and multi-step agent traces.
Verdict
Across 12 shared benchmarks, Gemini 3 Pro Reasoning wins 6, Gemini 3 Pro Turbo wins 6, and 0 are tied. On the index average, Gemini 3 Pro Reasoning leads Gemini 3 Pro Turbo by 1.1 points (87.5 versus 86.4).
The price picture favours Gemini 3 Pro Turbo. The context picture favours Gemini 3 Pro 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 Pro Reasoning for quality-sensitive work and Gemini 3 Pro Turbo for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.
Choose Gemini 3 Pro Reasoning if
- You want the higher average benchmark score in this index.
Choose Gemini 3 Pro Turbo if
- Unit cost matters and you want the cheaper blended price.
- You need the larger 400,000-token context window.
- You need the larger 16,384-token output limit.
FAQ
Is Gemini 3 Pro Reasoning better than Gemini 3 Pro Turbo?
On the index average, Gemini 3 Pro Reasoning leads Gemini 3 Pro Turbo by 1.1 points (87.5 versus 86.4). The better choice depends on price, context and your task. Gemini 3 Pro Reasoning wins 6 benchmarks, Gemini 3 Pro Turbo wins 6.
Which is cheaper, Gemini 3 Pro Reasoning or Gemini 3 Pro Turbo?
Gemini 3 Pro Turbo is cheaper on a blended 3:1 basis at about $37.19 per million tokens, versus $39.36 for Gemini 3 Pro Reasoning.
Which has the larger context window?
Gemini 3 Pro Turbo has the larger context window at 400,000 tokens. Gemini 3 Pro Reasoning has 200,000 tokens.
Are these models open weights?
Gemini 3 Pro Reasoning is proprietary; Gemini 3 Pro Turbo is proprietary.
Which should I choose for production?
If you need a single default, start with Gemini 3 Pro Reasoning for quality-sensitive work and Gemini 3 Pro Turbo for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.