Home/AI agents/Muse Spark Open
Editorial pickCheck site
Muse Spark Open
Meta open-weight multimodal model for coding and agent work. Weights are public under a license with commercial limits.
Where it ranks
11 in AI agents
A large open-weight model for coding and agents, if you can run or host it.
See the ai agents list
Pricing
Check site
Weights ship under the Muse Model License, which allows many developers to use the model for free and limits some commercial use. Read the license.
Checked
Added October 21, 2026
Last verified October 21, 2026
Dated releases
Meta released Muse Spark Open weights. It is a multimodal model aimed at coding and agent work, with a 1 million token context window. Meta says it can run locally on two Apple M5 Ultra Mac Studios.