{
  "page": "https://opencode.ai/data/meta/muse-spark-open",
  "updatedAt": null,
  "summary": "Muse Spark Open costs $1.25 per 1M input tokens and $4.25 per 1M output tokens.",
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    "name": "Muse Spark Open",
    "lab": "meta",
    "labName": "Meta",
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    "lastUpdated": "2026-10-15",
    "knowledgeCutoff": "2026-01-04",
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      "image",
      "video",
      "audio"
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    "reasoning": true,
    "toolCall": true,
    "openWeights": true,
    "weights": [
      {
        "label": "Hugging Face (BF16)",
        "url": "https://huggingface.co/meta-models/Muse-Spark-Open-816B-A42B"
      },
      {
        "label": "Hugging Face (NVFP4)",
        "url": "https://huggingface.co/meta-models/Muse-Spark-Open-816B-A42B-NVFP4"
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      "cacheWrite": null
    },
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        "name": "Humanity's Last Exam",
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        "name": "DeepSWE",
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        "name": "SWE-Atlas Codebase QnA",
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      {
        "name": "IntPhys2",
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  "usage": null
}