# Mistral Small 3.1

Mistral Small 3.1 is an AI model released by Mistral on Mar 17 2025. It has open weight.

## Facts

| Field | Value |
| --- | --- |
| Model | Mistral Small 3.1 |
| Developer | Mistral |
| Release date | Monday, Mar 17 2025 |
| Licensing | Open Weight |

## Questions and answers

### When was Mistral Small 3.1 released?

Mistral Small 3.1 was released by Mistral on Monday, Mar 17 2025.

### Who made Mistral Small 3.1?

Mistral Small 3.1 was built by Mistral. French AI company building open and commercial models. Founded in 2023 by former Meta and DeepMind researchers.

### Is Mistral Small 3.1 open source?

Partly. Mistral Small 3.1 is an open-weight model: the trained weights are free to download and run locally or on your own infrastructure, but the training data and code are not fully released and the license may restrict some commercial uses. It is not open source in the strict sense.

### What came before and after Mistral Small 3.1?

Mistral's previous tracked release was Mistral Small 3 on Jan 30 2025, 46 days earlier. It was followed by Mistral Medium 3 on May 7 2025.


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Canonical page: https://aireleasetracker.com/model/mistral/mistral-small-3.1
Full dataset: https://aireleasetracker.com/llms-full.txt · JSON: https://aireleasetracker.com/models.json
Source: AI Release Tracker (https://aireleasetracker.com). Most benchmark scores come from lab launch material; gathered results identify the leaderboard that published them.