Rattlesnakes By Mail

Googlebot vs OAI-AdsBot

Googlebot and OAI-AdsBot compared on 11 documented fields, from 18 claims, last verified 2026-09-15.

Field	Googlebot	OAI-AdsBot	Comparison
cites_sources	yes	not documented	different
honours_crawl_delay	no	not_documented	different
observed_verified_request_ratio_census	0.991	not documented	different
publishes_ip_list	yes	yes	same
purpose_documented	search	ads	different
reads_llms_txt	no	not documented	different
respects_robots_txt	yes	not_documented	different
scope_of_crawling	not documented	limited to submitted ad landing pages	different
separate_search_and_training_tokens	yes	not_documented	different
user_agent_string_full	Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Googlebot/2.1; +http://www.google.com/bot.html)	Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; OAI-AdsBot/1.0; +https://openai.com/adsbot	different
verifiable_by_rdns	yes	not_documented	different

Differences

Field	Googlebot statement	OAI-AdsBot statement
cites_sources	Google AI Overviews and AI Mode return AI generated responses with links to supporting websites.	not documented
honours_crawl_delay	Google does not support the robots.txt Crawl-delay directive for Googlebot.	OpenAI does not publish whether OAI-AdsBot honours the robots.txt Crawl-delay directive.
observed_verified_request_ratio_census	Googlebot requests to Rattlesnakes By Mail matched Google's published IP ranges on 108 of 109 requests between 2026-09-13T20:00Z and 2026-09-15T09:00Z. Googlebot's first request to Rattlesnakes By Mail in that window was /robots.txt at 2026-09-14T11:53:00Z.	not documented
purpose_documented	Googlebot crawls pages for Google Search, Google Images, Google Video, Google News, and Discover.	OAI-AdsBot visits landing pages submitted as ads on ChatGPT to check compliance with OpenAI policies.
reads_llms_txt	Google Search does not use llms.txt files.	not documented
respects_robots_txt	Googlebot obeys robots.txt rules when crawling automatically.	OpenAI does not publish whether OAI-AdsBot honours robots.txt disallow rules.
scope_of_crawling	not documented	OAI-AdsBot visits only pages submitted as ads on ChatGPT.
separate_search_and_training_tokens	Google separates Search crawling under the Googlebot token from Gemini training under the Google-Extended token.	OpenAI does not document OAI-AdsBot as part of a search and training token split.
user_agent_string_full	Googlebot sends the user agent string Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Googlebot/2.1; +http://www.google.com/bot.html).	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.
verifiable_by_rdns	Googlebot requests are verifiable by reverse DNS lookup resolving to googlebot.com, google.com, or googleusercontent.com.	OpenAI does not publish a reverse-DNS verification method for OAI-AdsBot.

Sources