{
  "site": "Agentic Weekly",
  "dataset": "Agentic Weekly model facts",
  "as_of": "2026-11-11",
  "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": "seedream-5-5",
    "name": "Seedream 5.5",
    "vendor": "ByteDance",
    "family": "Seedream",
    "category": "image",
    "status": "public-preview",
    "groups": [
      "image"
    ],
    "short_answer": "Seedream 5.5 is ByteDance's latest image-generation model in our dataset (public preview), released Nov 9, 2026. Proprietary, API access only. ByteDance Seed's Seedream 5.5 image creation model, introduced Nov 9, 2026, with vendor-reported 100-round editing and native RGBA output. Verified against vendor sources on Nov 10, 2026.",
    "summary": "ByteDance Seed's Seedream 5.5 image creation model, introduced Nov 9, 2026, with vendor-reported 100-round editing and native RGBA output.",
    "release_date": "2026-11-09",
    "latest_update": null,
    "api_id": null,
    "context_tokens": null,
    "max_output_tokens": null,
    "input_modalities": [
      "text",
      "image"
    ],
    "output_modalities": [
      "image"
    ],
    "parameters": null,
    "license": "Proprietary",
    "open_weights": false,
    "pricing": null,
    "evidence": "Reported",
    "tested_note": null,
    "last_verified": "2026-11-10",
    "is_stale": false,
    "facts": {
      "release_date": {
        "fact": "release_date",
        "value": "2026-11-09",
        "source_url": "https://seed.bytedance.com/en/blog/more-realistic-images-more-stable-editing-across-100-rounds-introducing-seedream-5-5/",
        "source_type": "vendor_reported",
        "verified_at": "2026-11-10",
        "evidence_status": "confirmed",
        "as_of": "2026-11-10",
        "evidence": "Reported",
        "note": "Date on the official ByteDance Seed blog post.",
        "anchor_url": "https://theagenticweekly.com/models/seedream-5-5#fact-release-date"
      },
      "input_modalities": {
        "fact": "input_modalities",
        "value": [
          "text",
          "image"
        ],
        "source_url": "https://seed.bytedance.com/en/blog/more-realistic-images-more-stable-editing-across-100-rounds-introducing-seedream-5-5/",
        "source_type": "vendor_reported",
        "verified_at": "2026-11-10",
        "evidence_status": "confirmed",
        "as_of": "2026-11-10",
        "evidence": "Reported",
        "note": "The official post says creators can generate assets from text descriptions or reference images.",
        "anchor_url": "https://theagenticweekly.com/models/seedream-5-5#fact-input-modalities"
      },
      "output_modalities": {
        "fact": "output_modalities",
        "value": [
          "image"
        ],
        "source_url": "https://seed.bytedance.com/en/blog/more-realistic-images-more-stable-editing-across-100-rounds-introducing-seedream-5-5/",
        "source_type": "vendor_reported",
        "verified_at": "2026-11-10",
        "evidence_status": "confirmed",
        "as_of": "2026-11-10",
        "evidence": "Reported",
        "anchor_url": "https://theagenticweekly.com/models/seedream-5-5#fact-output-modalities"
      },
      "license": {
        "fact": "license",
        "value": {
          "type": "proprietary",
          "name": "Proprietary",
          "openWeights": false
        },
        "source_url": "https://seed.bytedance.com/en/blog/more-realistic-images-more-stable-editing-across-100-rounds-introducing-seedream-5-5/",
        "source_type": "vendor_reported",
        "verified_at": "2026-11-10",
        "evidence_status": "confirmed",
        "as_of": "2026-11-10",
        "evidence": "Reported",
        "anchor_url": "https://theagenticweekly.com/models/seedream-5-5#fact-license"
      }
    },
    "vendor_claims": [],
    "notes": [],
    "not_verified": [
      "The English official post does not state pricing, a public API id, or context or output token limits.",
      "The Chinese official post says Seedream 5.5 is rolling out on Jimeng, Doubao, Doubao Work, and Volcano Ark, and names Doubao-Seedream-5.5 as a Volcano Ark experience-center path; we did not independently confirm those products are live.",
      "Quality, usability, GSB and text-corruption figures are ByteDance Seed's own MagicArena evaluations, not an independent benchmark.",
      "A Pro version of the Seedream 5.5 series is described as forthcoming, with no date."
    ],
    "sources": [
      {
        "label": "ByteDance Seed blog: Introducing Seedream 5.5",
        "url": "https://seed.bytedance.com/en/blog/more-realistic-images-more-stable-editing-across-100-rounds-introducing-seedream-5-5/"
      },
      {
        "label": "ByteDance Seed blog: Introducing Seedream 5.5 (Chinese)",
        "url": "https://seed.bytedance.com/zh/blog/more-realistic-images-more-stable-editing-across-100-rounds-introducing-seedream-5-5"
      },
      {
        "label": "Agentic Weekly brief: Seedream 5.5",
        "url": "https://theagenticweekly.com/news/seedream-5-5-image-model"
      }
    ],
    "url": "https://theagenticweekly.com/models/seedream-5-5",
    "primary_source_url": "https://seed.bytedance.com/en/blog/more-realistic-images-more-stable-editing-across-100-rounds-introducing-seedream-5-5/",
    "anchors": {
      "facts": "https://theagenticweekly.com/models/seedream-5-5#facts",
      "sources": "https://theagenticweekly.com/models/seedream-5-5#sources",
      "tested": "https://theagenticweekly.com/models/seedream-5-5#tested",
      "not_verified": "https://theagenticweekly.com/models/seedream-5-5#left-out"
    },
    "markdown": "https://theagenticweekly.com/models/seedream-5-5.md",
    "api": "https://theagenticweekly.com/api/models/seedream-5-5"
  }
}