Mistral Medium 3.1 vs Sonar Reasoning Pro
Mistral AI vs Perplexity — benchmarks, pricing, and capabilities side by side.
- •Sonar Reasoning Pro has the higher intelligence index (95.7 vs 51.5)
- •Mistral Medium 3.1 is cheaper ($0.40 vs $2.00 per 1M input)
- •Mistral Medium 3.1 has a larger context window (131K)
| Mistral Medium 3.1 | Sonar Reasoning Pro | |
|---|---|---|
| Intelligence index | 51.5 | 95.7 |
| Developer | Mistral AI | Perplexity |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 131,072 tokens | 128,000 tokens |
| Input price | $0.40 / 1M | $2.00 / 1M |
| Output price | $2.00 / 1M | $8.00 / 1M |
| Speed | 47 tok/s | — |
| Released | August 13, 2025 | March 7, 2025 |
| Parameters | — | — |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |