{
  "data": {
    "tool": {
      "author": "openai",
      "category": "inference",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/gpt-5-pro.json",
      "kind": "model",
      "listed": "indexed",
      "maker": "OpenAI",
      "markdownUrl": "https://www.anchorterminal.com/tools/gpt-5-pro.md",
      "modelCount": 4,
      "models": [
        {
          "contextTokens": 1050000,
          "id": "openai/gpt-5.5-pro",
          "input": [
            "file",
            "image",
            "text"
          ],
          "inputUsdPerM": 30,
          "maxOutput": 128000,
          "name": "GPT-5.5 Pro",
          "outputUsdPerM": 180,
          "promptCaching": false,
          "reasoning": true,
          "released": "2026-04-24",
          "structuredOutputs": true,
          "tools": true
        },
        {
          "contextTokens": 1050000,
          "id": "openai/gpt-5.4-pro",
          "input": [
            "file",
            "image",
            "text"
          ],
          "inputUsdPerM": 30,
          "maxOutput": 128000,
          "name": "GPT-5.4 Pro",
          "outputUsdPerM": 180,
          "promptCaching": false,
          "reasoning": true,
          "released": "2026-03-05",
          "structuredOutputs": true,
          "tools": true
        },
        {
          "contextTokens": 400000,
          "id": "openai/gpt-5.2-pro",
          "input": [
            "file",
            "image",
            "text"
          ],
          "inputUsdPerM": 21,
          "maxOutput": 128000,
          "name": "GPT-5.2 Pro",
          "outputUsdPerM": 168,
          "promptCaching": false,
          "reasoning": true,
          "released": "2025-12-10",
          "structuredOutputs": true,
          "tools": true
        },
        {
          "contextTokens": 400000,
          "id": "openai/gpt-5-pro",
          "input": [
            "file",
            "image",
            "text"
          ],
          "inputUsdPerM": 15,
          "maxOutput": 128000,
          "name": "GPT-5 Pro",
          "outputUsdPerM": 120,
          "promptCaching": false,
          "reasoning": true,
          "released": "2025-10-06",
          "structuredOutputs": true,
          "tools": true
        }
      ],
      "name": "GPT-5 Pro",
      "note": "Indexed from OpenRouter: facts and our own checks, not reviewed, so no score, grade or rank.",
      "pageJsonUrl": "https://www.anchorterminal.com/tools/gpt-5-pro.json",
      "reviewed": false,
      "slug": "gpt-5-pro",
      "source": "OpenRouter",
      "sourceUrl": "https://openrouter.ai/openai/gpt-5.5-pro",
      "summary": "GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...",
      "updatedAt": "2026-04-24T17:31:36Z",
      "url": "https://www.anchorterminal.com/tools/gpt-5-pro",
      "vendor": "OpenAI",
      "vendorUrl": "",
      "why": [
        "openrouter"
      ]
    }
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/tools/gpt-5-pro",
    "json": "https://www.anchorterminal.com/tools/gpt-5-pro.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/tools/gpt-5-pro.md",
    "slim": "https://www.anchorterminal.com/tools/gpt-5-pro.min.md"
  },
  "markdown": "# GPT-5 Pro\n\n\u003e Indexed, not reviewed: facts from OpenRouter and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/\n\n- Kind: model family, by OpenAI\n- Category: Model APIs \u0026 inference (https://www.anchorterminal.com/categories/inference.md)\n- Listed because: OpenRouter lists it, with prices from the providers that serve it.\n- What OpenRouter says: GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...\n\n## Models (4)\n\n| Model | OpenRouter id | Released | Context | Input $/1M | Output $/1M | Supports |\n| --- | --- | --- | --- | --- | --- | --- |\n| GPT-5.5 Pro | `openai/gpt-5.5-pro` | 2026-04 | 1.05M | $30 | $180 | tools, structured output, reasoning, file, image |\n| GPT-5.4 Pro | `openai/gpt-5.4-pro` | 2026-03 | 1.05M | $30 | $180 | tools, structured output, reasoning, file, image |\n| GPT-5.2 Pro | `openai/gpt-5.2-pro` | 2025-12 | 400k | $21 | $168 | tools, structured output, reasoning, file, image |\n| GPT-5 Pro | `openai/gpt-5-pro` | 2025-10 | 400k | $15 | $120 | tools, structured output, reasoning, file, image |\n\nPrices and limits as OpenRouter lists them; a provider's own price can differ.\n\n- JSON: https://www.anchorterminal.com/api/v1/tools/gpt-5-pro.json\n- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming\n",
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-05",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.3",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "page": {
    "breadcrumbs": [
      {
        "name": "Home",
        "url": "https://www.anchorterminal.com/"
      },
      {
        "name": "Terminal",
        "url": "https://www.anchorterminal.com/tools/"
      },
      {
        "name": "Indexed",
        "url": "https://www.anchorterminal.com/indexed/"
      },
      {
        "name": "GPT-5 Pro",
        "url": ""
      }
    ],
    "description": "GPT-5 Pro, a family of models by OpenAI, listed from OpenRouter. Indexed, not reviewed: facts and our own checks, no score or ranking. GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+…",
    "facts": [
      "not reviewed",
      "not ranked",
      "facts only"
    ],
    "h1": "GPT-5 Pro",
    "image": "https://www.anchorterminal.com/assets/og/indexed.png",
    "path": "/tools/gpt-5-pro",
    "published": "",
    "section": "indexed",
    "title": "GPT-5 Pro: family of models, indexed from OpenRouter | Anchor Terminal",
    "toc": null,
    "updated": "2026-10-05",
    "url": "https://www.anchorterminal.com/tools/gpt-5-pro"
  },
  "tokens": {
    "markdown": 550,
    "slim": 480
  },
  "version": 1
}