Meta and Apple team up to run Muse Spark Open on Macs
Meta and Apple team up to make Muse AI models run better on Macs
- Who
- Meta
- What
- released Muse Spark Open, an open weight multimodal model
What happened
Meta announced Muse Spark Open today, releasing its weights and saying it can run on two Apple M5 Ultra Mac Studios using the latest MLX framework. Meta says the natively multimodal model has 816 billion total parameters and excels at long-horizon tasks, complex software engineering, and multi-step reasoning. Meta and Apple collaborated over several months, and Apple published a technical post covering MLX, Muse Spark Open, and two other open models.
The same story is shown in the picks as 《Meta releases Muse Spark Open, an open-weight multimodal mixture-of-experts model》
Reported by 10 sources
The story so far
Meta released downloadable weights for Muse Spark Open, a multimodal model built for coding and agentic work, with local Mac and cloud deployment options. Artificial Analysis ranks it first among US open-weight models on its Intelligence Index, with a score of 39 at the xhigh setting. The model has approximately 816 billion parameters, 42 billion active per token, and up to one million tokens of context. It accepts text, images, audio and video and generates text. Meta says it can run on two Apple M5 Ultra Mac Studios using MLX; Baoyu reports that the configuration uses 512GB of unified memory per machine. vLLM says its support is verified on NVIDIA and AMD GPUs and TPUs. Ollama Cloud offers access through Pro, Max, Pay-as-you-go and Teams plans. Amazon SageMaker JumpStart offers BF16 and NVFP4 variants in US East (N. Virginia) and US East (Ohio) at launch, charging for endpoints whenever they are running, including while idle. The Decoder reports that free use requires the label “Built with Muse Spark Open.” Baoyu reports that attribution and usage restrictions apply, and businesses selling API access to the model or modified versions must notify Meta and sign a separate agreement if their combined revenue with affiliates exceeded $20 million over the preceding 12 months.
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