Meta open-weights Muse Spark Open: 816B / 42B active
Why it matters
Natively multimodal with a 1M-token context, built for coding and agentic work. First in its class to run on two Apple M5 Ultra Mac Studios with MLX; APIs and Hugging Face weights live under the Muse Model License.
Read the source: Meta AI Research (opens in a new tab)
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