Mistral Ecosystem Open-Weight License 

Mistral Ecosystem Open-Weight License. This license is a modified version of the MIT license. 
Attribution notice: 2026 - Mistral 

Permission is hereby granted, free of charge, to any person (the “Licensee”) obtaining a copy of this model and associated documentation files - including the model weights, parameters, configuration files, and associated documentation (the “Model”), to deal in the Model without restriction, including without limitation the rights to (a) use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Model; (b) run, deploy, further train or otherwise modify the Model and create derivative works from it; and (c) permit persons to whom the Model is furnished to do so, subject to the following conditions: 

1. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Model. 

2. If the Licensee or any of its affiliates operates a Model as a Service business, the Licensee must enter into a separate commercial license with Mistral before using the Model or its derivative works for any commercial purpose. The Licensee may contact Mistral, using this form: https://mistral.ai/contact/, to request a commercial license. 

"Model as a Service" means giving a third party access to the Model or its derivative works for inference or post-training by any means (for instance via API or hosted endpoints), in a manner that allows such third party to exercise meaningful control over the inputs, parameters, or training data. This does not include (a) end-user products with model capabilities solely embedded within specific features or harnesses, or (b) mere relaying of requests to models hosted by others. 

3. The requirements set forth in Section 2 do not apply to: (a) internal use of the Model or its derivative works, defined as any use that does not make the Model or its derivative works available to third parties; or (b) any use of the Model accessed through Mistral’s official products. 

THE MODEL AND ANY OUTPUT THEREFROM ARE PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL MISTRAL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MODEL OR THE USE OR OTHER DEALINGS IN THE MODEL.

For any questions regarding this license, please contact us using the form here: https://mistral.ai/contact/