# Devstral 2 (123B)

Devstral 2 (123B) is an AI model released by Mistral on Dec 9 2025. It has open weight.

## Facts

| Field | Value |
| --- | --- |
| Model | Devstral 2 (123B) |
| Developer | Mistral |
| Release date | Tuesday, Dec 9 2025 |
| Licensing | Open Weight |

## Questions and answers

### When was Devstral 2 (123B) released?

Devstral 2 (123B) was released by Mistral on Tuesday, Dec 9 2025.

### Who made Devstral 2 (123B)?

Devstral 2 (123B) was built by Mistral. French AI company building open and commercial models. Founded in 2023 by former Meta and DeepMind researchers.

### Is Devstral 2 (123B) open source?

Partly. Devstral 2 (123B) 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 Devstral 2 (123B)?

Mistral's previous tracked release was Mistral Large 3 on Dec 2 2025, 7 days earlier. It was followed by Devstral Small 2 (24B) on Dec 9 2025.


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Canonical page: https://aireleasetracker.com/model/mistral/devstral-2-(123b)
Full dataset: https://aireleasetracker.com/llms-full.txt · JSON: https://aireleasetracker.com/models.json
Source: AI Release Tracker (https://aireleasetracker.com). Benchmark scores are the figures published by the releasing lab at launch.