{ "entity_a": { "slug": "google-extended", "name": "Google-Extended" }, "entity_b": { "slug": "oai-searchbot", "name": "OAI-SearchBot" }, "fields_documented": 12, "claims": 18, "last_verified": "2026-09-15", "fields": [ { "field": "cites_sources", "value_a": null, "value_b": "yes", "claim_id_a": null, "claim_id_b": 100, "same": false }, { "field": "honours_crawl_delay", "value_a": "n/a", "value_b": "not_documented", "claim_id_a": 56, "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": "no", "value_b": "yes", "claim_id_a": 57, "claim_id_b": 96, "same": false }, { "field": "purpose_documented", "value_a": "policy_only", "value_b": "search", "claim_id_a": 59, "claim_id_b": 98, "same": false }, { "field": "reads_llms_txt", "value_a": null, "value_b": "not_documented", "claim_id_a": null, "claim_id_b": 101, "same": false }, { "field": "respects_robots_txt", "value_a": "n/a", "value_b": "yes", "claim_id_a": 55, "claim_id_b": 94, "same": false }, { "field": "robots_token_differs_from_ua", "value_a": "yes", "value_b": null, "claim_id_a": 62, "claim_id_b": null, "same": false }, { "field": "separate_search_and_training_tokens", "value_a": "yes", "value_b": "yes", "claim_id_a": 60, "claim_id_b": 99, "same": true }, { "field": "user_agent_string_full", "value_a": null, "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": null, "claim_id_b": 102, "same": false }, { "field": "verifiable_by_rdns", "value_a": "n/a", "value_b": "not_documented", "claim_id_a": 58, "claim_id_b": 97, "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": "cites_sources", "statement_a": null, "statement_b": "OAI-SearchBot surfaces crawled websites as links in ChatGPT search answers.", "claim_id_a": null, "claim_id_b": 100 }, { "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-SearchBot honours the robots.txt Crawl-delay directive.", "claim_id_a": 56, "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": "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-SearchBot as a JSON file at https://openai.com/searchbot.json.", "claim_id_a": 57, "claim_id_b": 96 }, { "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-SearchBot surfaces websites in search results in ChatGPT search features.", "claim_id_a": 59, "claim_id_b": 98 }, { "field": "reads_llms_txt", "statement_a": null, "statement_b": "OpenAI does not publish whether OAI-SearchBot reads llms.txt files.", "claim_id_a": null, "claim_id_b": 101 }, { "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": "OAI-SearchBot honours robots.txt opt-outs set for the OAI-SearchBot token.", "claim_id_a": 55, "claim_id_b": 94 }, { "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": "user_agent_string_full", "statement_a": null, "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": null, "claim_id_b": 102 }, { "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-SearchBot.", "claim_id_a": 58, "claim_id_b": 97 }, { "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/searchbot.json", "https://rattlesnakesbymail.com/observed/oai-searchbot" ] }