Mistral Medium 3.5 — API Pricing & Benchmarks
Mistral Medium 3.5 is Mistral AI's flagship model, released in 2026-04. The API costs $1.50 per 1M input tokens and $7.50 per 1M output tokens ($3.00 blended at a 3:1 ratio). On the independently measured Artificial Analysis Intelligence Index it scores 14.2, ranking #56 of 72 models tracked on this site, with a median output speed of 155 tokens/sec.
Explore provider routes and additional benchmark sources for Mistral Medium 3.5
| Provider | Mistral AI |
| Input price / 1M tokens | $1.50 |
| Output price / 1M tokens | $7.50 |
| Cached input / 1M tokens | — |
| Blended price (3:1) | $3.00 |
| Context window | — |
| Max output tokens | — |
| Knowledge cutoff | — |
| License | open weights |
| Input modalities | T+I |
| Output speed (tok/s) | 155 |
| Released | 2026-04 |
| Artificial Analysis Intelligence Index | 14.2 |
| LMArena Elo | 1421 |
| GPQA Diamond | 74.8% |
| SWE-bench Verified | 77.6% |
| Humanity's Last Exam | 13.8% |
Where Mistral Medium 3.5 fits
On a blended 3:1 basis Mistral Medium 3.5 costs $3.00 per 1M tokens, cheaper than 35% of the 84 priced models in this index. As Mistral AI's flagship it is aimed at the hardest workloads — complex reasoning, agentic coding and multi-step tool use — where output quality dominates cost. The weights are open, so it can be self-hosted for data-residency or cost reasons instead of consumed via API.
Price history
| Period | Input $/1M | Output $/1M | Cached $/1M |
|---|---|---|---|
| 2026-07-18 → current | $1.50 | $7.50 | — |
No list-price changes recorded since tracking began. Full dataset: price-history.json (CC BY 4.0).
Alternatives at a similar price
- Grok 4.7 (xAI) — $3.00/1M blended, AA Index 46.4
- Grok 4.6 (xAI) — $3.00/1M blended, AA Index 44.3
- Grok 4.5 (xAI) — $3.00/1M blended, AA Index 38.8
- Qwen3.8-Max (Alibaba Qwen) — $3.00/1M blended, AA Index 45.4
About Mistral AI
Mistral AI is Europe's leading LLM lab, shipping a mix of open-weights models (Mistral Small, Large) and proprietary ones, plus the code-focused Codestral line. European data-residency requirements often shortlist Mistral by default.