Muse Model License
An open-source license released by Meta for the Muse series of models, containing limited terms for commercial use.
Core Facts
Timeline (last 90 days)
The usage policy accompanying the Muse Model License prohibits using the model to operate critical infrastructure, transportation technology, or heavy machinery, and states that the model is not intended for users under 18.
"Derivative" is defined by the Muse Model License as including any model trained, modified (including fine-tuned), distilled, or otherwise improved using the software or its outputs/results.
The Muse model license requires prominent labeling of 'Built with Muse Spark Open', and companies with annual revenue over $20 million that offer it as a service must notify Meta and sign a commercial agreement.
Before building products on Muse Spark Open, developers should have their legal teams review the Muse Model License and run their own evaluations, because Meta did not give benchmark numbers in the announcement.
The Muse Model License restricts using the model to train other competing models.
The Muse Model License requires derivative models to retain specific identifiers when naming or distributing.
Muse Spark Open uses the Muse Model License.
The Muse Model License is not an OSI-approved standard open-source license.
The Muse Model License allows free use for research and commercial purposes, but sets a monthly active user scale threshold.
The Muse Model License contains limited commercial terms and allows many developers to use it for free, but the specific terms need to be checked in the official license text.
All Facts (10)
Muse Spark Open uses the Muse Model License.
70%UnverifiedThe usage policy accompanying the Muse Model License prohibits using the model to operate critical infrastructure, transportation technology, or heavy machinery, and states that the model is not intended for users under 18.
50%Unverified"Derivative" is defined by the Muse Model License as including any model trained, modified (including fine-tuned), distilled, or otherwise improved using the software or its outputs/results.
50%UnverifiedThe Muse model license requires prominent labeling of 'Built with Muse Spark Open', and companies with annual revenue over $20 million that offer it as a service must notify Meta and sign a commercial agreement.
50%UnverifiedBefore building products on Muse Spark Open, developers should have their legal teams review the Muse Model License and run their own evaluations, because Meta did not give benchmark numbers in the announcement.
50%UnverifiedThe Muse Model License requires derivative models to retain specific identifiers when naming or distributing.
50%UnverifiedThe Muse Model License is not an OSI-approved standard open-source license.
50%UnverifiedThe Muse Model License allows free use for research and commercial purposes, but sets a monthly active user scale threshold.
50%UnverifiedThe Muse Model License restricts using the model to train other competing models.
50%UnverifiedThe Muse Model License contains limited commercial terms and allows many developers to use it for free, but the specific terms need to be checked in the official license text.
50%