{
  "entity_a": {
    "slug": "claude-searchbot",
    "name": "Claude-SearchBot"
  },
  "entity_b": {
    "slug": "oai-searchbot",
    "name": "OAI-SearchBot"
  },
  "fields_documented": 10,
  "claims": 19,
  "last_verified": "2026-09-15",
  "fields": [
    {
      "field": "cites_sources",
      "value_a": "not_documented",
      "value_b": "yes",
      "claim_id_a": 34,
      "claim_id_b": 100,
      "same": false
    },
    {
      "field": "honours_crawl_delay",
      "value_a": "yes",
      "value_b": "not_documented",
      "claim_id_a": 29,
      "claim_id_b": 95,
      "same": false
    },
    {
      "field": "observed_arrival_before_sitemap",
      "value_a": null,
      "value_b": "yes",
      "claim_id_a": null,
      "claim_id_b": 148,
      "same": false
    },
    {
      "field": "publishes_ip_list",
      "value_a": "yes",
      "value_b": "yes",
      "claim_id_a": 30,
      "claim_id_b": 96,
      "same": true
    },
    {
      "field": "purpose_documented",
      "value_a": "search",
      "value_b": "search",
      "claim_id_a": 32,
      "claim_id_b": 98,
      "same": true
    },
    {
      "field": "reads_llms_txt",
      "value_a": "not_documented",
      "value_b": "not_documented",
      "claim_id_a": 35,
      "claim_id_b": 101,
      "same": true
    },
    {
      "field": "respects_robots_txt",
      "value_a": "yes",
      "value_b": "yes",
      "claim_id_a": 28,
      "claim_id_b": 94,
      "same": true
    },
    {
      "field": "separate_search_and_training_tokens",
      "value_a": "yes",
      "value_b": "yes",
      "claim_id_a": 33,
      "claim_id_b": 99,
      "same": true
    },
    {
      "field": "user_agent_string_full",
      "value_a": "not_documented",
      "value_b": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot",
      "claim_id_a": 36,
      "claim_id_b": 102,
      "same": false
    },
    {
      "field": "verifiable_by_rdns",
      "value_a": "not_documented",
      "value_b": "not_documented",
      "claim_id_a": 31,
      "claim_id_b": 97,
      "same": true
    }
  ],
  "differences": [
    {
      "field": "cites_sources",
      "statement_a": "Anthropic does not publish whether Claude search responses cite pages crawled by Claude-SearchBot.",
      "statement_b": "OAI-SearchBot surfaces crawled websites as links in ChatGPT search answers.",
      "claim_id_a": 34,
      "claim_id_b": 100
    },
    {
      "field": "honours_crawl_delay",
      "statement_a": "Claude-SearchBot respects the Crawl-delay directive in robots.txt when crawling domains.",
      "statement_b": "OpenAI does not publish whether OAI-SearchBot honours the robots.txt Crawl-delay directive.",
      "claim_id_a": 29,
      "claim_id_b": 95
    },
    {
      "field": "observed_arrival_before_sitemap",
      "statement_a": null,
      "statement_b": "OAI-SearchBot first requested Rattlesnakes By Mail at 2026-09-13T21:41:14Z, before the Rattlesnakes By Mail sitemap was submitted to Bing Webmaster Tools shortly before 2026-09-15T08:38Z and to Google Search Console at 2026-09-15T09:00Z. OAI-SearchBot made 3 requests to Rattlesnakes By Mail between 2026-09-13T20:00Z and 2026-09-15T09:00Z, all 3 to /robots.txt.",
      "claim_id_a": null,
      "claim_id_b": 148
    },
    {
      "field": "user_agent_string_full",
      "statement_a": "Anthropic does not publish a full user agent string for Claude-SearchBot.",
      "statement_b": "OAI-SearchBot sends the user agent string Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot.",
      "claim_id_a": 36,
      "claim_id_b": 102
    }
  ],
  "sources": [
    "https://claude.com/crawling/bots.json",
    "https://developers.openai.com/api/docs/bots",
    "https://openai.com/searchbot.json",
    "https://rattlesnakesbymail.com/observed/oai-searchbot",
    "https://support.claude.com/en/articles/8896518-does-anthropic-crawl-content-from-the-web-and-how-can-site-owners-block-the-crawler"
  ]
}