{
  "entity_a": {
    "slug": "chatgpt-user",
    "name": "ChatGPT-User"
  },
  "entity_b": {
    "slug": "oai-adsbot",
    "name": "OAI-AdsBot"
  },
  "fields_documented": 10,
  "claims": 17,
  "last_verified": "2026-09-13",
  "fields": [
    {
      "field": "cites_sources",
      "value_a": "not_documented",
      "value_b": null,
      "claim_id_a": 25,
      "claim_id_b": null,
      "same": false
    },
    {
      "field": "honours_crawl_delay",
      "value_a": "not_documented",
      "value_b": "not_documented",
      "claim_id_a": 20,
      "claim_id_b": 87,
      "same": true
    },
    {
      "field": "publishes_ip_list",
      "value_a": "yes",
      "value_b": "yes",
      "claim_id_a": 21,
      "claim_id_b": 88,
      "same": true
    },
    {
      "field": "purpose_documented",
      "value_a": "user_fetch",
      "value_b": "ads",
      "claim_id_a": 23,
      "claim_id_b": 90,
      "same": false
    },
    {
      "field": "reads_llms_txt",
      "value_a": "not_documented",
      "value_b": null,
      "claim_id_a": 26,
      "claim_id_b": null,
      "same": false
    },
    {
      "field": "respects_robots_txt",
      "value_a": "partial",
      "value_b": "not_documented",
      "claim_id_a": 19,
      "claim_id_b": 86,
      "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": "not_documented",
      "value_b": "not_documented",
      "claim_id_a": 24,
      "claim_id_b": 91,
      "same": true
    },
    {
      "field": "user_agent_string_full",
      "value_a": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ChatGPT-User/1.0; +https://openai.com/bot",
      "value_b": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; OAI-AdsBot/1.0; +https://openai.com/adsbot",
      "claim_id_a": 27,
      "claim_id_b": 92,
      "same": false
    },
    {
      "field": "verifiable_by_rdns",
      "value_a": "not_documented",
      "value_b": "not_documented",
      "claim_id_a": 22,
      "claim_id_b": 89,
      "same": true
    }
  ],
  "differences": [
    {
      "field": "cites_sources",
      "statement_a": "OpenAI does not publish whether ChatGPT responses cite pages fetched by ChatGPT-User.",
      "statement_b": null,
      "claim_id_a": 25,
      "claim_id_b": null
    },
    {
      "field": "purpose_documented",
      "statement_a": "ChatGPT-User visits web pages for user actions in ChatGPT and in Custom GPTs.",
      "statement_b": "OAI-AdsBot visits landing pages submitted as ads on ChatGPT to check compliance with OpenAI policies.",
      "claim_id_a": 23,
      "claim_id_b": 90
    },
    {
      "field": "reads_llms_txt",
      "statement_a": "OpenAI does not publish whether ChatGPT-User reads llms.txt files.",
      "statement_b": null,
      "claim_id_a": 26,
      "claim_id_b": null
    },
    {
      "field": "respects_robots_txt",
      "statement_a": "ChatGPT-User fetches pages in response to user actions in ChatGPT, and OpenAI states that robots.txt rules may not apply to ChatGPT-User fetches.",
      "statement_b": "OpenAI does not publish whether OAI-AdsBot honours robots.txt disallow rules.",
      "claim_id_a": 19,
      "claim_id_b": 86
    },
    {
      "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": "user_agent_string_full",
      "statement_a": "ChatGPT-User sends the user agent string Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ChatGPT-User/1.0; +https://openai.com/bot.",
      "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": 27,
      "claim_id_b": 92
    }
  ],
  "sources": [
    "https://developers.openai.com/api/docs/bots",
    "https://openai.com/adsbot.json",
    "https://openai.com/chatgpt-user.json"
  ]
}