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Meta releases Muse Spark Open, a US open-weight model for coding and agents

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Meta is releasing Muse Spark Open, which it calls the most capable US open-weight model to date, built for coding and agentic work. The model has 816B total and 42B active parameters, a 1M token context window, and natively handles text, image, video, and audio. Ollama says the model will be available on its platform shortly.

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Amazing to see @AIatMeta launch the best US open-weight model so far!

The model will be available on Ollama shortly. 🫡

AI at Meta@AIatMeta
Today we’re releasing Muse Spark Open, the most capable US open-weight model to date. Built for coding and agentic work, it excels at long-horizon tasks, complex software engineering, and multi-step reasoning. Key Model Specs: → 816B total / 42B active parameters → 1M token context window → Natively multimodal across text, image, video, audio
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Source: ollama · x.comPublished · added here