# Mistral Medium 3.5

Mistral Medium 3.5 is a Mistral AI language model released Apr 28, 2026; Mistral AI's newest language model in our dataset is Mistral Large 4. Open weights (Modified MIT). Mistral's frontier-class multimodal model for agentic and coding use, released Apr 28, 2026 as open weights under a Modified MIT license. Verified against vendor sources on Oct 26, 2026.

Last verified: 2026-10-26 · Evidence: Reported · Canonical: https://theagenticweekly.com/models/mistral-medium-3-5 · JSON: https://theagenticweekly.com/api/models/mistral-medium-3-5

## Key facts

| Fact | Value | Source |
|---|---|---|
| Vendor | Mistral AI |  |
| Released | Apr 28, 2026 | https://docs.mistral.ai/getting-started/changelog |
| API id | `mistral-medium-3-5` | https://docs.mistral.ai/models/mistral-medium-3-5-26-04 |
| Context window | 256,000 tokens (256K) | https://docs.mistral.ai/models/mistral-medium-3-5-26-04 |
| Licence | Modified MIT (open weights) | https://docs.mistral.ai/getting-started/changelog |
| Pricing | $1.5 in / $7.5 out per 1M tokens | https://docs.mistral.ai/models/mistral-medium-3-5-26-04 |

## What we tested

Nothing yet. We have not run Mistral Medium 3.5 ourselves, so every fact here is Reported from the sources below.

## Not verified, left out

- The license terms of "Modified MIT" were not captured; check the model card before commercial use.

## Sources

- [Mistral changelog](https://docs.mistral.ai/getting-started/changelog)
- [Mistral model card: Medium 3.5](https://docs.mistral.ai/models/mistral-medium-3-5-26-04)

Data licence: CC BY 4.0. Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0.