Mistral Medium 3.5
Mistral released 2026-04-30 proprietary
$3.00 per million tokens, balanced
Gemini 3.7 Flash is both better and cheaper.
It scores +25.6 higher and costs 75% less ($0.750/M against $3.00/M) on this workload — and it does everything this model does.
GLM 5.3 is cheaper still (28% less) but drops no image, file input.
Every price dimension
| Input | $1.50/M |
|---|---|
| Output | $7.50/M |
Independent scores
| Intelligence | 30.4 |
|---|---|
| Coding | 46.9 |
| Agentic | 19.2 |
| LMArena Elo | 1420.9default |
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, file |
| Tool use | yes |
| Reasoning | optional |
| Open weights | no |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-08-24 |
| Quality data | verified |
| Cross-checked | vendor page |
Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI. It supports text and image inputs with text output, and is designed for agentic workflows, coding, and complex...