Gemini 3.1 Pro vs Mistral Small 3.2
Detailed comparison of API pricing, technical specifications, and benchmark scores. Updated 2026-06-29.
Cost at a Glance
Gemini 3.1 Pro is 43.6× more expensive than Mistral Small 3.2 — switching could save 97.7% on your monthly API bill.
At 5M input + 2M output tokens per month:
Choosing Mistral Small 3.2 could save you $33.22/mo
Price Comparison (per 1M tokens)
| Metric | Gemini 3.1 Pro | Mistral Small 3.2 |
|---|---|---|
| Input (per 1M tokens) | $2.00 | $0.07 |
| Output (per 1M tokens) | $12.00 | $0.20 |
| Cache Write (per 1M tokens) | — | — |
| Cache Read (per 1M tokens) | $0.20 | $0.01 |
| Batch Input (per 1M tokens) | — | — |
| Batch Output (per 1M tokens) | — | — |
Prices are per 1 million tokens. Actual costs depend on your monthly token volume. Use the calculator →
Specifications
| Spec | Gemini 3.1 Pro | Mistral Small 3.2 |
|---|---|---|
| Context Window | 1M | 128K |
| Max Output Tokens | 64K | 64K |
| Knowledge Cutoff | 2026-04 | 2025-06 |
| Modalities | Text, Image, Audio, Video | Text, Image |
| Prompt Caching | Yes | Yes |
| Batch API | No | No |
| Thinking / Reasoning | Yes | No |
Benchmark Scores
| Benchmark | Gemini 3.1 Pro | Mistral Small 3.2 |
|---|---|---|
| SWE-bench Verified | 80.6 | — |
| MMLU-Pro | 86.5 | 68.0 |
| HumanEval | 93.5 | 85.0 |
Benchmark scores from official provider reports. Higher is better. Missing scores indicate the provider has not published that benchmark yet.
Use Cases
Gemini 3.1 Pro
Mistral Small 3.2
About the Providers
Gemini 3.1 Pro is developed by Google. Mistral Small 3.2 is developed by Mistral. This is a cross-provider comparison between Google and Mistral models. For the most up-to-date pricing, always check the official API documentation from each provider.