Updated March 26, 2026· Based on independent benchmark data
Gemini 3.1 Pro Preview leads in intelligence with a score of 57.2 vs 18.7. Devstral Medium is 5.0x cheaper at $0.40/1M tokens vs $2.00/1M.
| Metric | Devstral Medium | Gemini 3.1 Pro Preview |
|---|---|---|
| Intelligence Score | 18.7 | 57.2 |
| Coding Score | 15.9 | 55.5 |
| Math Score | 4.7 | N/A |
| Speed (tok/s) | 131 tok/s | 113 tok/s |
| Latency (TTFT) | 0.40s | 23.84s |
| Input Price / 1M tokens | $0.40 | $2.00 |
| Output Price / 1M tokens | $2.00 | $12 |
| Context Window | N/A |
Gemini 3.1 Pro Preview outperforms Devstral Medium on the intelligence index with a score of 57.2 compared to 18.7. For coding tasks, Gemini 3.1 Pro Preview has the edge with a coding score of 55.5 vs 15.9.
Both models deliver similar output speeds: Devstral Medium at 131 tok/s and Gemini 3.1 Pro Preview at 113 tok/s. Time to first token is 0.40s for Devstral Medium vs 23.84s for Gemini 3.1 Pro Preview, which affects perceived responsiveness in interactive applications.
Devstral Medium is more affordable at $0.40/1M input tokens ($2.00/1M output), while Gemini 3.1 Pro Preview costs $2.00/1M input ($12/1M output). That makes Gemini 3.1 Pro Preview 5.0x 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, Devstral Medium would cost approximately $2.40/month vs $12.00/month for Gemini 3.1 Pro Preview in input costs alone.
Choose Devstral Medium when you need 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 15.9), making it the better choice for programming tasks.
Devstral Medium is cheaper at $0.40/1M input tokens vs $2.00/1M for Gemini 3.1 Pro Preview.
Devstral Medium is faster, producing output at 131 tok/s compared to Gemini 3.1 Pro Preview's 113 tok/s.
No, Devstral Medium 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 Devstral Medium may be better for specific use cases like budget-conscious projects or speed-critical applications.