{
  "site": "Agentic Weekly",
  "dataset": "Agentic Weekly model facts",
  "as_of": "2026-11-09",
  "license": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/"
  },
  "license_spdx": "CC-BY-4.0",
  "attribution": "Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0",
  "usage": "Quoting, summarizing and citing this data is encouraged. Credit Agentic Weekly (https://theagenticweekly.com), link the page you used and keep its Reported or Tested label.",
  "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."
  },
  "provenance": {
    "note": "Every fact object carries its own provenance: fact, value, source_url, source_type, verified_at, evidence_status and, for tested facts, test_id. Read it per fact, not per page. Full explanation: https://theagenticweekly.com/methodology#provenance",
    "source_type": {
      "vendor_reported": "Read from the vendor's own page (docs, pricing, release notes, post); not run by us.",
      "independently_tested": "We ran it; test_id names the test log. Smoke tests are not benchmarks.",
      "editorial": "Our own judgment or a ranking built on stated criteria; never presented as a vendor fact."
    },
    "evidence_status": {
      "confirmed": "The cited source_url states this value; we read it on verified_at.",
      "not_confirmed_on_source": "The cited page does not itself state this value; the note says what we infer and from where.",
      "promo": "The price is temporary; pricing.list holds the standing price and pricing.promo_label says when the promo ends.",
      "partial": "Part of the value was read on the cited page.",
      "not_applicable": "Editorial judgment or a relationship disclosure, not a checkable fact."
    },
    "verified_at": "The date we last re-read the cited page. Only models re-read on a date carry that date; others keep their earlier date."
  },
  "model": {
    "slug": "muse-ember",
    "name": "Muse Ember",
    "vendor": "Meta",
    "family": "Muse",
    "category": "llm",
    "status": "generally-available",
    "groups": [
      "small-fast",
      "agents"
    ],
    "short_answer": "Muse Ember is Meta's latest language model in our dataset, released Nov 9, 2026. Proprietary, API access only. Meta's smallest, cheapest Muse model for high-volume agent work (tool calls, routing, sub-agent coding, extraction), launched Nov 9, 2026 on the Meta Model API and in Muse Code. Verified against vendor sources on Nov 9, 2026.",
    "summary": "Meta's smallest, cheapest Muse model for high-volume agent work (tool calls, routing, sub-agent coding, extraction), launched Nov 9, 2026 on the Meta Model API and in Muse Code.",
    "release_date": "2026-11-09",
    "latest_update": null,
    "api_id": "muse-ember-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": 0.1,
      "output": 0.5,
      "cachedInput": 0.004,
      "text": "$0.1 in / $0.5 out per 1M tokens",
      "is_promo": false
    },
    "evidence": "Reported",
    "tested_note": null,
    "last_verified": "2026-11-09",
    "is_stale": false,
    "facts": {
      "release_date": {
        "fact": "release_date",
        "value": "2026-11-09",
        "source_url": "https://research.meta.ai/blog/muse-ember",
        "source_type": "vendor_reported",
        "verified_at": "2026-11-09",
        "evidence_status": "confirmed",
        "as_of": "2026-11-09",
        "evidence": "Reported",
        "anchor_url": "https://theagenticweekly.com/models/muse-ember#fact-release-date"
      },
      "api_id": {
        "fact": "api_id",
        "value": "muse-ember-1.0",
        "source_url": "https://dev.meta.ai/docs/muse-ember",
        "source_type": "vendor_reported",
        "verified_at": "2026-11-09",
        "evidence_status": "confirmed",
        "as_of": "2026-11-09",
        "evidence": "Reported",
        "anchor_url": "https://theagenticweekly.com/models/muse-ember#fact-api-id"
      },
      "context_tokens": {
        "fact": "context_tokens",
        "value": 1048576,
        "source_url": "https://dev.meta.ai/docs/muse-ember",
        "source_type": "vendor_reported",
        "verified_at": "2026-11-09",
        "evidence_status": "confirmed",
        "as_of": "2026-11-09",
        "evidence": "Reported",
        "anchor_url": "https://theagenticweekly.com/models/muse-ember#fact-context-tokens"
      },
      "input_modalities": {
        "fact": "input_modalities",
        "value": [
          "text",
          "image",
          "video",
          "audio",
          "pdf"
        ],
        "source_url": "https://dev.meta.ai/docs/muse-ember",
        "source_type": "vendor_reported",
        "verified_at": "2026-11-09",
        "evidence_status": "confirmed",
        "as_of": "2026-11-09",
        "evidence": "Reported",
        "anchor_url": "https://theagenticweekly.com/models/muse-ember#fact-input-modalities"
      },
      "output_modalities": {
        "fact": "output_modalities",
        "value": [
          "text"
        ],
        "source_url": "https://dev.meta.ai/docs/muse-ember",
        "source_type": "vendor_reported",
        "verified_at": "2026-11-09",
        "evidence_status": "confirmed",
        "as_of": "2026-11-09",
        "evidence": "Reported",
        "anchor_url": "https://theagenticweekly.com/models/muse-ember#fact-output-modalities"
      },
      "license": {
        "fact": "license",
        "value": {
          "type": "proprietary",
          "name": "Proprietary (API)",
          "openWeights": false
        },
        "source_url": "https://dev.meta.ai/docs/muse-ember",
        "source_type": "vendor_reported",
        "verified_at": "2026-11-09",
        "evidence_status": "confirmed",
        "as_of": "2026-11-09",
        "evidence": "Reported",
        "note": "Hosted on the Meta Model API and in Muse Code; no weights.",
        "anchor_url": "https://theagenticweekly.com/models/muse-ember#fact-license"
      },
      "pricing": {
        "fact": "pricing",
        "value": {
          "currency": "USD",
          "unit": "per 1M tokens",
          "input": 0.1,
          "output": 0.5,
          "cachedInput": 0.004
        },
        "source_url": "https://research.meta.ai/blog/muse-ember",
        "source_type": "vendor_reported",
        "verified_at": "2026-11-09",
        "evidence_status": "confirmed",
        "as_of": "2026-11-09",
        "evidence": "Reported",
        "note": "Standard mode only; requests over 200K input tokens are billed at higher long-context rates.",
        "anchor_url": "https://theagenticweekly.com/models/muse-ember#fact-pricing"
      }
    },
    "vendor_claims": [
      "Meta says Muse Ember matches Claude Haiku 5.5's best Artificial Analysis score at about a third of the cost."
    ],
    "notes": [
      "Max output is 524,288 tokens per Meta's docs. Benchmarks are Meta's own reporting."
    ],
    "not_verified": [
      "Parameter count is not published.",
      "Long-context (over 200K input tokens) prices were not captured."
    ],
    "sources": [
      {
        "label": "Meta: Introducing Muse Ember",
        "url": "https://research.meta.ai/blog/muse-ember"
      },
      {
        "label": "Meta Model API docs: Muse Ember",
        "url": "https://dev.meta.ai/docs/muse-ember"
      },
      {
        "label": "Agentic Weekly brief",
        "url": "https://theagenticweekly.com/news/meta-muse-ember"
      }
    ],
    "url": "https://theagenticweekly.com/models/muse-ember",
    "primary_source_url": "https://research.meta.ai/blog/muse-ember",
    "anchors": {
      "facts": "https://theagenticweekly.com/models/muse-ember#facts",
      "sources": "https://theagenticweekly.com/models/muse-ember#sources",
      "tested": "https://theagenticweekly.com/models/muse-ember#tested",
      "not_verified": "https://theagenticweekly.com/models/muse-ember#left-out"
    },
    "markdown": "https://theagenticweekly.com/models/muse-ember.md",
    "api": "https://theagenticweekly.com/api/models/muse-ember"
  }
}