Apple and Meta optimized the model to run on Mac hardware in the first public partnership between the two companies since 2017. Muse Spark Open is specifically tuned for two Apple M5 Ultra Mac Studios using the MLX framework, though it also supports deployments across 2 to 4 linked machines. It is compatible with inference engines including vLLM and SGLang, with hardware optimizations for NVIDIA, AMD, and Intel silicon.
Tuesday, October 20, 2026
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Meta Releases 816B Parameter Muse AI in First Apple Deal Since 2017
AI5 days ago
The Muse Spark Open system provides a 1M token context window and is designed for complex software engineering and multi-step reasoning tasks. Meta launched the model today as its most capable US open-weight offering, featuring 816B total and 42B active parameters with native multimodality for text, image, video, and audio. The system is available for download on Hugging Face, Google Cloud Model Garden, Amazon SageMaker AI, and Microsoft Foundry, and can be accessed via API platforms like Groq and Together AI under the Muse Model License.
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