Mistral Small 4
Mistral released 2026-03-16 apache-2.0
$0.263 per million tokens, balanced
MiMo-V2.5 is both better and cheaper.
It scores +18.3 higher and costs 33% less ($0.175/M against $0.263/M) on this workload — and it does everything this model does.
DeepSeek V4 Flash 0731 is cheaper still (60% less) but drops no image input.
Every price dimension
| Input | $0.150/M |
|---|---|
| Output | $0.600/M |
| Cached input | $0.015/M |
Independent scores
| Intelligence | 19.7 |
|---|---|
| Coding | 26.6 |
| Agentic | 4.6 |
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 | 262K |
|---|---|
| Input modes | text, image |
| Tool use | yes |
| Reasoning | optional |
| Open weights | yes |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-08-24 |
| Quality data | verified |
| Cross-checked | vendor page |
Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system. It combines strong reasoning from...