Model repo updated: mistralai/Mistral-Medium-3.5-128B
102,862 downloads · 434 likes · tags: mistral3, vLLM, en, fr, de, es, pt, it
Model Watch · Mistral
Mistral's frontier model, and the weights are out under a modified MIT license. The whole Magistral and Devstral lines were folded into this one.
Mistral Medium 3.5 is a model from Mistral, built in France. It's out, and you can call it today.
Mistral released it on 28 April 2026. That date comes from the lab's own docs.
The tracker first logged the name on 22 May 2026 and last saw it on 15 July 2026.
| Lab | Mistral |
|---|---|
| Built in | France |
| Status | released |
| API model id | mistral-medium-3-5 |
| Released | 28 April 2026 |
| Context window | 256K tokens |
| Max output | Not published |
| Input, per 1M tokens | $1.50 |
| Output, per 1M tokens | $7.50 |
List prices per million tokens, read off the lab's own docs. Caching, batching and volume deals all cut the real number, so treat this as the ceiling. Check the source before you budget against it.
At 700 words in and 500 out, twenty times a day, that works out around $3.84 a month. Put your own numbers in, see every Mistral price, or put it next to another model.
| Model | Status | Date | Context | In / 1M | Out / 1M |
|---|---|---|---|---|---|
| Mistral Medium 3.5 | released | 28 April 2026 | 256K tokens | $1.50 | $7.50 |
| Leanstral 1.5 | preview | 30 June 2026 | 256K tokens | Free | Free |
| Mistral Small 4 | released | 16 March 2026 | 256K tokens | $0.15 | $0.60 |
| Mistral Large 3 | released | 2 December 2025 | 256K tokens | $0.50 | $1.50 |
| Ministral 3 14B | released | 2 December 2025 | 256K tokens | $0.20 | $0.20 |
| Codestral | released | 30 July 2025 | 128K tokens | $0.30 | $0.90 |
A dash means the lab hasn't published that number for that model.
Every tracked post, release, changelog entry or incident whose title or summary names Mistral Medium 3.5. Newest first, each one linking to where the lab published it.
102,862 downloads · 434 likes · tags: mistral3, vLLM, en, fr, de, es, pt, it
Introducing Mistral Medium 3.5, remote coding agents in Vibe, plus new Work mode in Le Chat for complex tasks.
The release timeline is every model we know about, filterable by lab, country and date. The tracker is the live feed these mentions come from, and Model Watch is the whole catalogue on one page.
More from Mistral:
.