{
  "entity_a": {
    "slug": "gptbot",
    "name": "GPTBot"
  },
  "entity_b": {
    "slug": "oai-adsbot",
    "name": "OAI-AdsBot"
  },
  "fields_documented": 9,
  "claims": 16,
  "last_verified": "2026-09-13",
  "fields": [
    {
      "field": "honours_crawl_delay",
      "value_a": "not_documented",
      "value_b": "not_documented",
      "claim_id_a": 79,
      "claim_id_b": 87,
      "same": true
    },
    {
      "field": "publishes_ip_list",
      "value_a": "yes",
      "value_b": "yes",
      "claim_id_a": 80,
      "claim_id_b": 88,
      "same": true
    },
    {
      "field": "purpose_documented",
      "value_a": "training",
      "value_b": "ads",
      "claim_id_a": 82,
      "claim_id_b": 90,
      "same": false
    },
    {
      "field": "respects_robots_txt",
      "value_a": "yes",
      "value_b": "not_documented",
      "claim_id_a": 78,
      "claim_id_b": 86,
      "same": false
    },
    {
      "field": "robots_txt_fetch_marker",
      "value_a": "yes",
      "value_b": null,
      "claim_id_a": 85,
      "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": 83,
      "claim_id_b": 91,
      "same": false
    },
    {
      "field": "user_agent_string_full",
      "value_a": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; GPTBot/1.4; +https://openai.com/gptbot",
      "value_b": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; OAI-AdsBot/1.0; +https://openai.com/adsbot",
      "claim_id_a": 84,
      "claim_id_b": 92,
      "same": false
    },
    {
      "field": "verifiable_by_rdns",
      "value_a": "not_documented",
      "value_b": "not_documented",
      "claim_id_a": 81,
      "claim_id_b": 89,
      "same": true
    }
  ],
  "differences": [
    {
      "field": "purpose_documented",
      "statement_a": "GPTBot crawls content that may be used to train OpenAI generative AI foundation models.",
      "statement_b": "OAI-AdsBot visits landing pages submitted as ads on ChatGPT to check compliance with OpenAI policies.",
      "claim_id_a": 82,
      "claim_id_b": 90
    },
    {
      "field": "respects_robots_txt",
      "statement_a": "GPTBot honours robots.txt rules that webmasters set for the GPTBot token.",
      "statement_b": "OpenAI does not publish whether OAI-AdsBot honours robots.txt disallow rules.",
      "claim_id_a": 78,
      "claim_id_b": 86
    },
    {
      "field": "robots_txt_fetch_marker",
      "statement_a": "OpenAI may add a robots.txt marker to the GPTBot user agent string when GPTBot fetches robots.txt files.",
      "statement_b": null,
      "claim_id_a": 85,
      "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": "OpenAI separates search and training controls into two robots.txt tokens: OAI-SearchBot for search and GPTBot for training.",
      "statement_b": "OpenAI does not document OAI-AdsBot as part of a search and training token split.",
      "claim_id_a": 83,
      "claim_id_b": 91
    },
    {
      "field": "user_agent_string_full",
      "statement_a": "GPTBot sends the user agent string Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; GPTBot/1.4; +https://openai.com/gptbot.",
      "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": 84,
      "claim_id_b": 92
    }
  ],
  "sources": [
    "https://developers.openai.com/api/docs/bots",
    "https://openai.com/adsbot.json",
    "https://openai.com/gptbot.json"
  ]
}