{
  "entity_a": {
    "slug": "applebot-extended",
    "name": "Applebot-Extended"
  },
  "entity_b": {
    "slug": "chatgpt-user",
    "name": "ChatGPT-User"
  },
  "fields_documented": 11,
  "claims": 17,
  "last_verified": "2026-09-13",
  "fields": [
    {
      "field": "cites_sources",
      "value_a": null,
      "value_b": "not_documented",
      "claim_id_a": null,
      "claim_id_b": 25,
      "same": false
    },
    {
      "field": "honours_crawl_delay",
      "value_a": "n/a",
      "value_b": "not_documented",
      "claim_id_a": 2,
      "claim_id_b": 20,
      "same": false
    },
    {
      "field": "publishes_ip_list",
      "value_a": "no",
      "value_b": "yes",
      "claim_id_a": 3,
      "claim_id_b": 21,
      "same": false
    },
    {
      "field": "purpose_documented",
      "value_a": "policy_only",
      "value_b": "user_fetch",
      "claim_id_a": 5,
      "claim_id_b": 23,
      "same": false
    },
    {
      "field": "reads_llms_txt",
      "value_a": null,
      "value_b": "not_documented",
      "claim_id_a": null,
      "claim_id_b": 26,
      "same": false
    },
    {
      "field": "respects_robots_txt",
      "value_a": "n/a",
      "value_b": "partial",
      "claim_id_a": 1,
      "claim_id_b": 19,
      "same": false
    },
    {
      "field": "robots_token_differs_from_ua",
      "value_a": "yes",
      "value_b": null,
      "claim_id_a": 8,
      "claim_id_b": null,
      "same": false
    },
    {
      "field": "separate_search_and_training_tokens",
      "value_a": "yes",
      "value_b": "not_documented",
      "claim_id_a": 6,
      "claim_id_b": 24,
      "same": false
    },
    {
      "field": "user_agent_string_full",
      "value_a": null,
      "value_b": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ChatGPT-User/1.0; +https://openai.com/bot",
      "claim_id_a": null,
      "claim_id_b": 27,
      "same": false
    },
    {
      "field": "verifiable_by_rdns",
      "value_a": "n/a",
      "value_b": "not_documented",
      "claim_id_a": 4,
      "claim_id_b": 22,
      "same": false
    },
    {
      "field": "what_it_controls",
      "value_a": "AI training use of content, not search indexing",
      "value_b": null,
      "claim_id_a": 7,
      "claim_id_b": null,
      "same": false
    }
  ],
  "differences": [
    {
      "field": "cites_sources",
      "statement_a": null,
      "statement_b": "OpenAI does not publish whether ChatGPT responses cite pages fetched by ChatGPT-User.",
      "claim_id_a": null,
      "claim_id_b": 25
    },
    {
      "field": "honours_crawl_delay",
      "statement_a": "Apple does not publish a Crawl-delay behaviour for Applebot-Extended.",
      "statement_b": "OpenAI does not publish whether ChatGPT-User honours the robots.txt Crawl-delay directive.",
      "claim_id_a": 2,
      "claim_id_b": 20
    },
    {
      "field": "publishes_ip_list",
      "statement_a": "Apple publishes no IP list specific to Applebot-Extended and documents one shared crawl identity for Applebot.",
      "statement_b": "OpenAI publishes the IP address ranges used by ChatGPT-User as a JSON file at https://openai.com/chatgpt-user.json.",
      "claim_id_a": 3,
      "claim_id_b": 21
    },
    {
      "field": "purpose_documented",
      "statement_a": "Applebot-Extended controls whether website content is used to train Apple general purpose foundation models.",
      "statement_b": "ChatGPT-User visits web pages for user actions in ChatGPT and in Custom GPTs.",
      "claim_id_a": 5,
      "claim_id_b": 23
    },
    {
      "field": "reads_llms_txt",
      "statement_a": null,
      "statement_b": "OpenAI does not publish whether ChatGPT-User reads llms.txt files.",
      "claim_id_a": null,
      "claim_id_b": 26
    },
    {
      "field": "respects_robots_txt",
      "statement_a": "Applebot-Extended is a robots.txt token that publishers disallow to opt out of generative model training.",
      "statement_b": "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.",
      "claim_id_a": 1,
      "claim_id_b": 19
    },
    {
      "field": "robots_token_differs_from_ua",
      "statement_a": "Applebot-Extended is a robots.txt control token and does not correspond to a separate crawler user agent string.",
      "statement_b": null,
      "claim_id_a": 8,
      "claim_id_b": null
    },
    {
      "field": "separate_search_and_training_tokens",
      "statement_a": "Webpages that disallow Applebot-Extended remain eligible for inclusion in Apple search results.",
      "statement_b": "OpenAI does not document ChatGPT-User as a search or training opt-out token.",
      "claim_id_a": 6,
      "claim_id_b": 24
    },
    {
      "field": "user_agent_string_full",
      "statement_a": null,
      "statement_b": "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.",
      "claim_id_a": null,
      "claim_id_b": 27
    },
    {
      "field": "verifiable_by_rdns",
      "statement_a": "Apple does not publish a reverse-DNS verification method specific to Applebot-Extended.",
      "statement_b": "OpenAI does not publish a reverse-DNS verification method for ChatGPT-User.",
      "claim_id_a": 4,
      "claim_id_b": 22
    },
    {
      "field": "what_it_controls",
      "statement_a": "Applebot-Extended controls the AI training use of crawled content and does not control search indexing.",
      "statement_b": null,
      "claim_id_a": 7,
      "claim_id_b": null
    }
  ],
  "sources": [
    "https://developers.openai.com/api/docs/bots",
    "https://openai.com/chatgpt-user.json",
    "https://support.apple.com/en-us/119829"
  ]
}