{
  "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": "gpt-image-2-5-sunburst",
    "name": "GPT-Image-2.5 Sunburst",
    "vendor": "OpenAI",
    "family": "GPT-Image",
    "category": "image",
    "status": "generally-available",
    "groups": [
      "image"
    ],
    "short_answer": "GPT-Image-2.5 Sunburst is an OpenAI image-generation model released Sep 8, 2026; OpenAI's newest image-generation model in our dataset is GPT-Image-2.5 Flare. Proprietary, API access only. OpenAI's most capable image generation and editing model, released Sep 8, 2026, and #1 on the LMArena text-to-image snapshot we cite. Verified against vendor sources on Oct 26, 2026.",
    "summary": "OpenAI's most capable image generation and editing model, released Sep 8, 2026, and #1 on the LMArena text-to-image snapshot we cite.",
    "release_date": "2026-09-08",
    "latest_update": null,
    "api_id": "gpt-image-2.5-sunburst",
    "context_tokens": null,
    "max_output_tokens": null,
    "input_modalities": null,
    "output_modalities": [
      "image"
    ],
    "parameters": null,
    "license": "Proprietary (API)",
    "open_weights": false,
    "pricing": {
      "currency": "USD",
      "unit": "per 1M tokens",
      "input": 5,
      "output": 30,
      "cachedInput": 1.25,
      "items": [
        {
          "label": "Image input",
          "price": 8
        },
        {
          "label": "Image output (standard)",
          "price": 30
        },
        {
          "label": "Image output (batch)",
          "price": 15
        }
      ],
      "text": "$5 in / $30 out per 1M tokens"
    },
    "evidence": "Reported",
    "tested_note": null,
    "last_verified": "2026-10-26",
    "is_stale": false,
    "facts": {
      "release_date": {
        "value": "2026-09-08",
        "source_url": "https://developers.openai.com/api/docs/changelog",
        "as_of": "2026-10-26",
        "evidence": "Reported",
        "note": "OpenAI API changelog: Sunburst and Flare released together."
      },
      "api_id": {
        "value": "gpt-image-2.5-sunburst",
        "source_url": "https://developers.openai.com/api/docs/models/gpt-image-2.5-sunburst",
        "as_of": "2026-10-26",
        "evidence": "Reported"
      },
      "output_modalities": {
        "value": [
          "image"
        ],
        "source_url": "https://developers.openai.com/api/docs/models/gpt-image-2.5-sunburst",
        "as_of": "2026-10-26",
        "evidence": "Reported"
      },
      "license": {
        "value": {
          "type": "proprietary",
          "name": "Proprietary (API)",
          "openWeights": false
        },
        "source_url": "https://developers.openai.com/api/docs/models/gpt-image-2.5-sunburst",
        "as_of": "2026-10-26",
        "evidence": "Reported"
      },
      "pricing": {
        "value": {
          "currency": "USD",
          "unit": "per 1M tokens",
          "input": 5,
          "output": 30,
          "cachedInput": 1.25,
          "items": [
            {
              "label": "Image input",
              "price": 8
            },
            {
              "label": "Image output (standard)",
              "price": 30
            },
            {
              "label": "Image output (batch)",
              "price": 15
            }
          ]
        },
        "source_url": "https://developers.openai.com/api/docs/models/gpt-image-2.5-sunburst",
        "as_of": "2026-10-26",
        "evidence": "Reported",
        "note": "Billed in tokens, not per image: text input $5, image input $8, image output $30 per 1M tokens. Cost per image depends on size, quality and references."
      }
    },
    "vendor_claims": [
      "Neutral signal: #1 on LMArena Text-to-Image in the Oct 7, 2026 snapshot (score marked preliminary)."
    ],
    "notes": [],
    "not_verified": [
      "The sibling GPT-Image-2.5 Flare (fast) is ranked #2 on the same leaderboard; its specifications were not captured."
    ],
    "sources": [
      {
        "label": "OpenAI model page",
        "url": "https://developers.openai.com/api/docs/models/gpt-image-2.5-sunburst"
      },
      {
        "label": "OpenAI API changelog",
        "url": "https://developers.openai.com/api/docs/changelog"
      },
      {
        "label": "OpenAI announcement",
        "url": "https://openai.com/index/introducing-chatgpt-images-2-5/"
      },
      {
        "label": "LMArena Text-to-Image",
        "url": "https://arena.ai/leaderboard/text-to-image"
      }
    ],
    "url": "https://theagenticweekly.com/models/gpt-image-2-5-sunburst",
    "markdown": "https://theagenticweekly.com/models/gpt-image-2-5-sunburst.md",
    "api": "https://theagenticweekly.com/api/models/gpt-image-2-5-sunburst"
  }
}