{
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    "slug": "google-extended",
    "name": "Google-Extended"
  },
  "entity_b": {
    "slug": "oai-adsbot",
    "name": "OAI-AdsBot"
  },
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  "claims": 16,
  "last_verified": "2026-09-13",
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    {
      "field": "honours_crawl_delay",
      "value_a": "n/a",
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      "claim_id_b": 87,
      "same": false
    },
    {
      "field": "publishes_ip_list",
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      "value_b": "yes",
      "claim_id_a": 57,
      "claim_id_b": 88,
      "same": false
    },
    {
      "field": "purpose_documented",
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      "value_b": "ads",
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      "claim_id_b": 90,
      "same": false
    },
    {
      "field": "respects_robots_txt",
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      "value_b": "not_documented",
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      "claim_id_b": 86,
      "same": false
    },
    {
      "field": "robots_token_differs_from_ua",
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      "claim_id_a": 62,
      "claim_id_b": null,
      "same": false
    },
    {
      "field": "scope_of_crawling",
      "value_a": null,
      "value_b": "limited to submitted ad landing pages",
      "claim_id_a": null,
      "claim_id_b": 93,
      "same": false
    },
    {
      "field": "separate_search_and_training_tokens",
      "value_a": "yes",
      "value_b": "not_documented",
      "claim_id_a": 60,
      "claim_id_b": 91,
      "same": false
    },
    {
      "field": "user_agent_string_full",
      "value_a": null,
      "value_b": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; OAI-AdsBot/1.0; +https://openai.com/adsbot",
      "claim_id_a": null,
      "claim_id_b": 92,
      "same": false
    },
    {
      "field": "verifiable_by_rdns",
      "value_a": "n/a",
      "value_b": "not_documented",
      "claim_id_a": 58,
      "claim_id_b": 89,
      "same": false
    },
    {
      "field": "what_it_controls",
      "value_a": "Gemini model training and grounding, not Search inclusion",
      "value_b": null,
      "claim_id_a": 61,
      "claim_id_b": null,
      "same": false
    }
  ],
  "differences": [
    {
      "field": "honours_crawl_delay",
      "statement_a": "Google does not publish any Crawl-delay behaviour for the Google-Extended token.",
      "statement_b": "OpenAI does not publish whether OAI-AdsBot honours the robots.txt Crawl-delay directive.",
      "claim_id_a": 56,
      "claim_id_b": 87
    },
    {
      "field": "publishes_ip_list",
      "statement_a": "Google publishes no IP list for Google-Extended because Google-Extended has no separate HTTP request user agent string.",
      "statement_b": "OpenAI publishes the IP address ranges used by OAI-AdsBot as a JSON file at https://openai.com/adsbot.json.",
      "claim_id_a": 57,
      "claim_id_b": 88
    },
    {
      "field": "purpose_documented",
      "statement_a": "Google-Extended is a standalone product token that controls whether Google uses crawled content to train Gemini models.",
      "statement_b": "OAI-AdsBot visits landing pages submitted as ads on ChatGPT to check compliance with OpenAI policies.",
      "claim_id_a": 59,
      "claim_id_b": 90
    },
    {
      "field": "respects_robots_txt",
      "statement_a": "Google-Extended is a robots.txt token that publishers set to control use of crawled content for Gemini training.",
      "statement_b": "OpenAI does not publish whether OAI-AdsBot honours robots.txt disallow rules.",
      "claim_id_a": 55,
      "claim_id_b": 86
    },
    {
      "field": "robots_token_differs_from_ua",
      "statement_a": "Google-Extended is a robots.txt control token and does not correspond to a crawler user agent string.",
      "statement_b": null,
      "claim_id_a": 62,
      "claim_id_b": null
    },
    {
      "field": "scope_of_crawling",
      "statement_a": null,
      "statement_b": "OAI-AdsBot visits only pages submitted as ads on ChatGPT.",
      "claim_id_a": null,
      "claim_id_b": 93
    },
    {
      "field": "separate_search_and_training_tokens",
      "statement_a": "Google-Extended controls Gemini training use only and does not affect inclusion in Google Search.",
      "statement_b": "OpenAI does not document OAI-AdsBot as part of a search and training token split.",
      "claim_id_a": 60,
      "claim_id_b": 91
    },
    {
      "field": "user_agent_string_full",
      "statement_a": null,
      "statement_b": "OAI-AdsBot sends the user agent string Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; OAI-AdsBot/1.0; +https://openai.com/adsbot.",
      "claim_id_a": null,
      "claim_id_b": 92
    },
    {
      "field": "verifiable_by_rdns",
      "statement_a": "Google does not publish a reverse-DNS verification method for Google-Extended.",
      "statement_b": "OpenAI does not publish a reverse-DNS verification method for OAI-AdsBot.",
      "claim_id_a": 58,
      "claim_id_b": 89
    },
    {
      "field": "what_it_controls",
      "statement_a": "Google-Extended controls AI training and grounding in Google systems and does not control Google Search inclusion.",
      "statement_b": null,
      "claim_id_a": 61,
      "claim_id_b": null
    }
  ],
  "sources": [
    "https://developers.google.com/search/docs/appearance/ai-features",
    "https://developers.google.com/search/docs/crawling-indexing/google-common-crawlers",
    "https://developers.openai.com/api/docs/bots",
    "https://openai.com/adsbot.json"
  ]
}