Mistral Medium 3.5 vs Mistral Large 3 2512
Mistral Medium 3.5 vs Mistral Large 3 2512: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.
Quick verdict
- Mistral Large 3 2512 is 4.0× cheaper than Mistral Medium 3.5 for the same mix of input and output tokens.
- Both have the same context window.
- Mistral Medium 3.5 is the more recent release (Apr 30, 2026).
- Only Mistral Medium 3.5 supports extended reasoning.
- Mistral Medium 3.5 scores higher on independent tests (overall index 141.4 vs 122.0).
- Choose Mistral Large 3 2512 if cost matters most; choose Mistral Medium 3.5 if you need its specific strengths above. For the best results, test both on your own prompts.
| Mistral Medium 3.5 | Mistral Large 3 2512 | |
|---|---|---|
| Company | Mistral AI | Mistral AI |
| Released | Apr 30, 2026 ● | Dec 1, 2025 |
| Overall index | 141.4 ● | 122.0 |
| GPQA Diamond | — | 51.3% |
| AIME math | — | 8.5% |
| Input (per 1M tokens) | $1.50 | $0.50 ● |
| Output (per 1M tokens) | $7.50 | $1.50 ● |
| Cost for 1M input + 1M output tokens | $9.00 | $2.00 ● |
| Providers | 3 ● | 2 |
| Context | 256K | 256K |
| Max output | 210K | 210K |
| Inputs | Text, Image, Files | Text, Image, Files |
| Outputs | Text | Text |
| Reasoning | ✓ | — |
| Tool use | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Open weights | — | — |