{
  "access_checked_at": "2026-10-28T18:32:30Z",
  "access_evidence": [
    {
      "claim_type": "official_access_public",
      "official_model_id": "muse-spark-1.3",
      "scope": "Exact hosted model on Meta Model API under ordinary pay-as-you-go account requirements, subject to the Geographic Use Policy.",
      "title": "muse-spark-1.3 official model availability documentation",
      "url": "https://dev.meta.ai/docs/models.md"
    }
  ],
  "access_status": "public",
  "accessed_at": "2026-10-29T04:32:12Z",
  "binding_evidence": [
    {
      "claim_type": "official_identity_binding",
      "official_model_id": "muse-spark-1.3",
      "reason": "Exact documented API model ID; no entitlement inherited from a billing target.",
      "title": "muse-spark-1.3 official identity documentation",
      "url": "https://dev.meta.ai/docs/models.md"
    }
  ],
  "binding_status": "approved",
  "context_window_tokens": 1048576,
  "display_name": "Muse Spark 1.3",
  "effective_from": null,
  "last_verified_at": "2026-10-29T04:32:12Z",
  "model_category": "multimodal reasoning",
  "model_family": "Muse",
  "model_id": "muse-spark-1.3",
  "notes": "Official API model ID muse-spark-1.3, the latest Muse Spark version and Meta's recommendation for new work. Text, image, video, audio and PDF input; text output; 1,048,576-token context window. Muse Spark 1.2 and 1.1 remain available at the same Standard price and are not listed separately. Contributor-mode variants trade training use of your content for a lower price and are noted, not listed as separate rows. Availability varies by country under Meta's Geographic Use Policy (restricted territories excluded). Meta does not publish a maximum output length, Batch rate or release date in the API docs; unknown values are not represented as zero.",
  "official_source_url": "https://dev.meta.ai/docs/pricing-rate-limits.md",
  "official_source_urls": [
    "https://dev.meta.ai/docs/pricing-rate-limits.md",
    "https://dev.meta.ai/docs/models.md"
  ],
  "price_records": [
    {
      "billing_note": "Standard mode pay-as-you-go pricing on Meta Model API, shared by muse-spark-1.3, 1.2 and 1.1. Cached input applies to tokens served from a cached prompt prefix. No long-context premium. Contributor mode (muse-spark-1.3-contributor) costs $0.10 input, $0.002 cached input and $0.20 output per 1M tokens in exchange for letting Meta use prompts and responses to train future models; it is not used as the default rate. Web search grounding is billed separately at $2.50 per 1,000 queries.",
      "calculation_default": true,
      "charges": [
        {
          "amount": "1.25",
          "component": "input",
          "id": "price:meta/muse-spark-1.3:standard:short:current:input:text:per_1m_tokens",
          "modality": "text",
          "unit": "per_1m_tokens"
        },
        {
          "amount": "0.15",
          "component": "cached_input",
          "id": "price:meta/muse-spark-1.3:standard:short:current:cached_input:text:per_1m_tokens",
          "modality": "text",
          "unit": "per_1m_tokens"
        },
        {
          "amount": "4.25",
          "component": "output",
          "id": "price:meta/muse-spark-1.3:standard:short:current:output:text:per_1m_tokens",
          "modality": "text",
          "unit": "per_1m_tokens"
        }
      ],
      "checked_at": "2026-10-29T04:32:12Z",
      "context_class": "short",
      "currency": "USD",
      "effective_from": null,
      "effective_until": null,
      "id": "price:meta/muse-spark-1.3:standard:short:current",
      "pricing_status": "current",
      "processing_mode": "standard",
      "prompt_token_threshold": null,
      "region_policy": {
        "availability": {
          "default": "available",
          "rules": []
        },
        "data_residencies": [
          "global"
        ],
        "endpoint_geographies": [
          "global"
        ],
        "price_adjustments": [],
        "pricing_geography": "global_base"
      },
      "source_refs": [
        "https://dev.meta.ai/docs/pricing-rate-limits.md"
      ],
      "verification_status": "verified",
      "verified_at": "2026-10-29T04:32:12Z"
    }
  ],
  "pricing": {
    "batch_input": null,
    "batch_output": null,
    "cache_write": null,
    "cache_write_1h": null,
    "cached_input": 0.15,
    "currency": "USD",
    "input": 1.25,
    "output": 4.25,
    "unit": "1M tokens"
  },
  "project_context_window": true,
  "provider_id": "meta",
  "release_evidence": null,
  "released_at": null,
  "status": "active"
}