{ "entity_a": { "slug": "bingbot", "name": "Bingbot" }, "entity_b": { "slug": "oai-adsbot", "name": "OAI-AdsBot" }, "fields_documented": 12, "claims": 19, "last_verified": "2026-09-14", "fields": [ { "field": "cites_sources", "value_a": "yes", "value_b": null, "claim_id_a": 127, "claim_id_b": null, "same": false }, { "field": "follows_noarchive", "value_a": "yes", "value_b": null, "claim_id_a": 131, "claim_id_b": null, "same": false }, { "field": "honours_crawl_delay", "value_a": "yes", "value_b": "not_documented", "claim_id_a": 122, "claim_id_b": 87, "same": false }, { "field": "opt_out_mechanism", "value_a": "yes", "value_b": null, "claim_id_a": 130, "claim_id_b": null, "same": false }, { "field": "publishes_ip_list", "value_a": "yes", "value_b": "yes", "claim_id_a": 123, "claim_id_b": 88, "same": true }, { "field": "purpose_documented", "value_a": "yes", "value_b": "ads", "claim_id_a": 125, "claim_id_b": 90, "same": false }, { "field": "reads_llms_txt", "value_a": "not_documented", "value_b": null, "claim_id_a": 128, "claim_id_b": null, "same": false }, { "field": "respects_robots_txt", "value_a": "yes", "value_b": "not_documented", "claim_id_a": 121, "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": "no", "value_b": "not_documented", "claim_id_a": 126, "claim_id_b": 91, "same": false }, { "field": "user_agent_string_full", "value_a": "Mozilla/5.0 (compatible; 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compatible; OAI-AdsBot/1.0; +https://openai.com/adsbot.", "claim_id_a": 129, "claim_id_b": 92 }, { "field": "verifiable_by_rdns", "statement_a": "Microsoft verifies Bingbot traffic through reverse DNS lookups that resolve to hostnames ending in search.msn.com.", "statement_b": "OpenAI does not publish a reverse-DNS verification method for OAI-AdsBot.", "claim_id_a": 124, "claim_id_b": 89 } ], "sources": [ "https://blogs.bing.com/search/April-2025/Introducing-Copilot-Search-in-Bing", "https://developers.openai.com/api/docs/bots", "https://openai.com/adsbot.json", "https://www.bing.com/toolbox/bingbot.json", "https://www.bing.com/webmasters/help/ai-performance-9f8e7d6c", "https://www.bing.com/webmasters/help/crawl-control-55a30303", "https://www.bing.com/webmasters/help/how-to-verify-bingbot-3905dc26", "https://www.bing.com/webmasters/help/robots-meta-tags-and-attributes-that-bing-supports-5198d240", "https://www.bing.com/webmasters/help/which-crawlers-does-bing-use-8c184ec0" ] }