Updated March 26, 2026· Based on independent benchmark data
Gemini 3.1 Pro Preview leads in intelligence with a score of 57.2 vs 14.5. Mistral Small 3.1 is 20.0x cheaper at $0.10/1M tokens vs $2.00/1M. For speed, Mistral Small 3.1 wins at 160 tok/s vs 113 tok/s.
| Metric | Mistral Small 3.1 | Gemini 3.1 Pro Preview |
|---|---|---|
| Intelligence Score | 14.5 | 57.2 |
| Coding Score | 13.9 | 55.5 |
| Math Score | 3.7 | N/A |
| Speed (tok/s) | 160 tok/s | 113 tok/s |
| Latency (TTFT) | 0.41s | 23.84s |
| Input Price / 1M tokens | $0.10 | $2.00 |
| Output Price / 1M tokens | $0.30 | $12 |
| Context Window | N/A |
Gemini 3.1 Pro Preview outperforms Mistral Small 3.1 on the intelligence index with a score of 57.2 compared to 14.5. For coding tasks, Gemini 3.1 Pro Preview has the edge with a coding score of 55.5 vs 13.9.
Mistral Small 3.1 generates output significantly faster at 160 tok/s compared to Gemini 3.1 Pro Preview's 113 tok/s, making it 1.4x faster for streaming responses. Time to first token is 0.41s for Mistral Small 3.1 vs 23.84s for Gemini 3.1 Pro Preview, which affects perceived responsiveness in interactive applications.
Mistral Small 3.1 is more affordable at $0.10/1M input tokens ($0.30/1M output), while Gemini 3.1 Pro Preview costs $2.00/1M input ($12/1M output). That makes Gemini 3.1 Pro Preview 20.0x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, Mistral Small 3.1 would cost approximately $0.60/month vs $12.00/month for Gemini 3.1 Pro Preview in input costs alone.
Choose Mistral Small 3.1 when you need faster output (160 tok/s), lower cost. Choose Gemini 3.1 Pro Preview when you need higher intelligence (57.2), stronger coding performance (55.5).
Gemini 3.1 Pro Preview scores higher on coding benchmarks (55.5 vs 13.9), making it the better choice for programming tasks.
Mistral Small 3.1 is cheaper at $0.10/1M input tokens vs $2.00/1M for Gemini 3.1 Pro Preview.
Mistral Small 3.1 is faster, producing output at 160 tok/s compared to Gemini 3.1 Pro Preview's 113 tok/s.
No, Mistral Small 3.1 does not support image input. However, Gemini 3.1 Pro Preview does support images.
Data last synced: March 26, 2026
| 1.0M |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Text | Audio + File + Image + Text + Video |
| Output Modalities | Text | Text |
| Free Tier | No | No |
It depends on your priorities. Gemini 3.1 Pro Preview scores higher on intelligence (57.2), but Mistral Small 3.1 may be better for specific use cases like budget-conscious projects or speed-critical applications.