{
  "site": "Agentic Weekly",
  "dataset": "Agentic Weekly model facts",
  "as_of": "2026-10-26",
  "license": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/"
  },
  "attribution": "Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0",
  "page": "https://theagenticweekly.com/models",
  "evidence_labels": {
    "Reported": "Read from the cited vendor page on the as-of date; not run by us.",
    "Tested": "We ran it ourselves; scope is stated in tested_note. No model is Tested yet."
  },
  "model": {
    "slug": "muse-wonder",
    "name": "Muse Wonder",
    "vendor": "Meta",
    "family": "Muse",
    "category": "llm",
    "status": "public-preview",
    "groups": [
      "frontier",
      "agents",
      "coding"
    ],
    "short_answer": "Muse Wonder is a Meta language model (public preview) released Oct 12, 2026; Meta's newest language model in our dataset is Muse Spark Open. Proprietary, API access only. Meta's most capable hosted model for long-running agent and coding work, launched Oct 12, 2026 in preview on the Meta Model API and in Muse Code. Verified against vendor sources on Oct 26, 2026.",
    "summary": "Meta's most capable hosted model for long-running agent and coding work, launched Oct 12, 2026 in preview on the Meta Model API and in Muse Code.",
    "release_date": "2026-10-12",
    "latest_update": null,
    "api_id": "muse-wonder-1.0",
    "context_tokens": 1048576,
    "max_output_tokens": null,
    "input_modalities": [
      "text",
      "image",
      "video",
      "audio",
      "pdf"
    ],
    "output_modalities": [
      "text"
    ],
    "parameters": null,
    "license": "Proprietary (API)",
    "open_weights": false,
    "pricing": {
      "currency": "USD",
      "unit": "per 1M tokens",
      "input": 4,
      "output": 20,
      "cachedInput": 0.2,
      "text": "$4 in / $20 out per 1M tokens"
    },
    "evidence": "Reported",
    "tested_note": null,
    "last_verified": "2026-10-26",
    "is_stale": false,
    "facts": {
      "release_date": {
        "value": "2026-10-12",
        "source_url": "https://about.fb.com/news/2026/10/introducing-muse-wonder-models/",
        "as_of": "2026-10-26",
        "evidence": "Reported"
      },
      "api_id": {
        "value": "muse-wonder-1.0",
        "source_url": "https://dev.meta.ai/docs/pricing-rate-limits",
        "as_of": "2026-10-26",
        "evidence": "Reported"
      },
      "context_tokens": {
        "value": 1048576,
        "source_url": "https://dev.meta.ai/docs/models",
        "as_of": "2026-10-26",
        "evidence": "Reported"
      },
      "input_modalities": {
        "value": [
          "text",
          "image",
          "video",
          "audio",
          "pdf"
        ],
        "source_url": "https://dev.meta.ai/docs/models",
        "as_of": "2026-10-26",
        "evidence": "Reported"
      },
      "output_modalities": {
        "value": [
          "text"
        ],
        "source_url": "https://dev.meta.ai/docs/models",
        "as_of": "2026-10-26",
        "evidence": "Reported"
      },
      "license": {
        "value": {
          "type": "proprietary",
          "name": "Proprietary (API)",
          "openWeights": false
        },
        "source_url": "https://dev.meta.ai/docs/models",
        "as_of": "2026-10-26",
        "evidence": "Reported",
        "note": "Hosted on the Meta Model API and in Muse Code; no weights."
      },
      "pricing": {
        "value": {
          "currency": "USD",
          "unit": "per 1M tokens",
          "input": 4,
          "output": 20,
          "cachedInput": 0.2
        },
        "source_url": "https://dev.meta.ai/docs/pricing-rate-limits",
        "as_of": "2026-10-26",
        "evidence": "Reported",
        "note": "Standard mode only; no Contributor-mode discount for Muse Wonder."
      }
    },
    "vendor_claims": [
      "Meta calls Muse Wonder and Muse Wonder Full its most capable models to date, aimed at agentic and coding work."
    ],
    "notes": [
      "Meta's docs describe Muse Wonder as \"in preview\". It is not available in South Korea."
    ],
    "not_verified": [
      "Parameter count and benchmark scores were not captured.",
      "Meta says a full safety report \"will be available soon\"."
    ],
    "sources": [
      {
        "label": "Meta announcement",
        "url": "https://about.fb.com/news/2026/10/introducing-muse-wonder-models/"
      },
      {
        "label": "Meta Model API: models",
        "url": "https://dev.meta.ai/docs/models"
      },
      {
        "label": "Meta Model API: pricing and rate limits",
        "url": "https://dev.meta.ai/docs/pricing-rate-limits"
      }
    ],
    "url": "https://theagenticweekly.com/models/muse-wonder",
    "markdown": "https://theagenticweekly.com/models/muse-wonder.md",
    "api": "https://theagenticweekly.com/api/models/muse-wonder"
  }
}