Mistral Medium 3.1
Mistral released 2025-08-13
GPT-5.6 Luna is both better and cheaper.
It scores +37.6 higher and costs 44% less ($0.450/M against $0.800/M) on this workload — and it does everything this model does.
DeepSeek V4 Flash 0731 is cheaper still (87% less) but drops no image, file input.
Every price dimension
| Input | $0.400/M |
|---|---|
| Output | $2.00/M |
| Cached input | $0.040/M |
Independent scores
| Intelligence | 14.7 |
|---|---|
| Coding | 20.5 |
| Agentic | 6.1 |
Sources are listed separately rather than averaged. Across the 62 models both have scored they correlate at r = 0.806 — close agreement overall, but four models rank very differently between them, and a blended score would hide exactly those.
Capability
| Context window | 131K |
|---|---|
| Input modes | text, image, file |
| Tool use | yes |
| Reasoning | no |
| Knowledge cutoff | 2025-06-30 |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-08-24 |
| Quality data | verified |
Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances...