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Meta launches Muse Spark open model to challenge China’s AI dominance

Meta has launched Muse Spark Open, an 816-billion-parameter open-weight AI model designed for advanced coding, complex reasoning and AI agent workflows. The company claims it is the most capable US open-weight AI model to date.

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Timeline · 5 reports

  1. 2026-10-17 12:23 · TestingCatalog AI News
    ICYMI: Meta's Muse Spark Open is optimized for new Mac Studio
  2. 2026-10-16 20:10 · r/artificial
    Meta releases 816B-parameter Muse Spark Open model, runs locally on paired Mac Studios
  3. 2026-10-16 17:23 · AI Insider
    Meta Releases Muse Spark Open, an 816B-Parameter Open-Weight AI Model Built to Run on Macs
  4. 2026-10-16 14:12 · r/artificial
    Meta releases Muse Spark Open: it runs on two Mac Studios, and its license bans passing off its output as human-written
  5. 2026-10-16 04:37 · Mint AI
    Meta launches Muse Spark open model to challenge China’s AI dominance

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