Devstral Medium

Closed weights Mistral AI,All Hands AI June 2025

No estimate

No hardware requirements for this model

The weights for this model have not been published, so it cannot be downloaded or run on your own hardware at any size. It is reachable only through its provider, and no graphics card changes that.

On record

Full specification

Everything on record for this model. Most of it describes how it was trained rather than how it runs — useful context for judging how much work went into it, and how it compares with models built at a different scale.

Origin

Who built this model, where, and when it was published.

Organisation
Mistral AI,All Hands AI
Organisation type
Industry,Industry
Country
France, United States of America
Published
10 June 2025

What it does

The problem areas the model was built for. A model can carry several of each.

Domain
Language
Task
Code generation, Language modeling/generation, Instruction interpretation, System control

Size

How large the model is and how much data it was trained on. Parameters are the figure that decides whether it fits on a given graphics card.

Training data
tokens

Availability

Whether you can obtain the model and run it on your own hardware, which is what decides if any of the graphics-card figures on this page apply.

Weights
Closed — provider access only
Model access
API access
Training code
Unreleased

Devstral Medium is available through our API

How it is classified

Labels the source dataset applies when tracking notable models, and how confident it is in the entry.

Record confidence
Unknown

Sources

Where this record came from and when it was last checked.

Reference
Upgrading agentic coding capabilities with the new Devstral models
Last updated
28 November 2025

What the numbers mean

Where it came from

Devstral Medium was published by Mistral AI,All Hands AI, in France, in June 2025. It comes out of industry,Industry.

It works in Language, and is recorded as doing code generation, Language modeling/generation, Instruction interpretation, System control.

Its weights were never published, so it can only be reached through its provider. No graphics card changes that.

Answers

Devstral Medium — common questions

01

What is Devstral Medium used for?

Devstral Medium works in Language, and is recorded as handling code generation, Language modeling/generation, Instruction interpretation, System control. These are the areas it was designed around; they describe intent rather than a hard boundary.

02

What GPU do I need to run Devstral Medium?

None. Devstral Medium is a closed model — its weights were never published, so it cannot be downloaded or run on your own hardware at any price. It is reachable only through its provider.

03

Is Devstral Medium open source?

No. Devstral Medium has not had its weights published, so it exists only as a service controlled by its owner.

04

How many parameters does Devstral Medium have?

No parameter count has been published for Devstral Medium, which is why no memory or speed figure appears on this page.

05

Who created Devstral Medium?

Devstral Medium was published by Mistral AI,All Hands AI, based in France, categorised as industry,Industry.

06

When was Devstral Medium released?

Devstral Medium was published in June 2025.

Source

Original publication

Record last updated 28 November 2025

The other direction

Looking at it from the other side?

This page starts from the model. If you already own a card and want to know everything it will run, start from the hardware instead.