Artificial Intelligence
Meta releases Muse Spark Open for Apple M5 Ultra Mac Studios
Meta AI Research released Muse Spark Open, an open-weight multimodal model, and said it could run locally on two Apple M5 Ultra Mac Studios using the MLX framework.
- On 15 October 2026, Meta AI Research said it was releasing the weights for Muse Spark Open.
- Meta described Muse Spark Open as a multimodal open-weight model with 816B total parameters, 42B active parameters and a 1M-token context window.
- Meta said the model could run locally on two Apple M5 Ultra Mac Studios with the MLX framework.
- The post said the weights were available through API platforms and download sites named in the release.
- Meta said it had tested on-device workflows with Ice Cubes and DaVinci Resolve, and that it had evaluated the model under its Meta Superintelligence Scaling Framework and was releasing it under the Muse Model License with limited commercial terms.
Meta AI Research said it had released the weights for Muse Spark Open. It described the model as multimodal, with 816B total parameters, 42B active parameters and a 1M-token context window.
The company said the model was built for coding and agentic work. It said the model could run locally on two Apple M5 Ultra Mac Studios with the latest MLX framework, and that Apple's memory design meant the two machines could hold the model together.
Meta said the weights were available through API platforms and download services listed in the post. It also said it had tested on-device workflows that included changes to Ice Cubes and a full run through DaVinci Resolve.
The post said Meta had evaluated the model under its Meta Superintelligence Scaling Framework. It said the release used the Muse Model License, which carried limited commercial terms.
Named in this story
Companies
- Apple
- made the M5 Ultra Mac Studios Meta said it used
Organisations
- Meta AI Research
- published the release note for Muse Spark Open
Products and systems
- Muse Spark Open
- the open-weight model Meta released
- Apple M5 Ultra Mac Studios
- the desktop machines Meta said could run the model locally
- MLX framework
- the framework Meta said enabled the local run
- Ice Cubes
- the open-source Mastodon client used in Meta's test workflow
- DaVinci Resolve
- the video editor Meta said the model drove end to end
- Meta Superintelligence Scaling Framework
- Meta's framework for release evaluation
- Muse Model License
- the licence Meta used for the release
How the source tells it
The piece reads like a launch post, with vendor boosterism and novelty claims carried by superlatives and first-in-class framing.
- vendor boosterism the release is built around repeated self-praise about capability, access and performance
- novelty it relies on first-in-class language and launch-day availability to present the model as new