OAI-AdsBot vs Perplexity-User

OAI-AdsBot and Perplexity-User compared on 10 documented fields, from 17 claims, last verified 2026-09-13.

Field	OAI-AdsBot	Perplexity-User	Comparison
cites_sources	not documented	yes	different
honours_crawl_delay	not_documented	not_documented	same
publishes_ip_list	yes	yes	same
purpose_documented	ads	user_fetch	different
reads_llms_txt	not documented	not_documented	different
respects_robots_txt	not_documented	no	different
scope_of_crawling	limited to submitted ad landing pages	not documented	different
separate_search_and_training_tokens	not_documented	not_documented	same
user_agent_string_full	Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; OAI-AdsBot/1.0; +https://openai.com/adsbot	Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Perplexity-User/1.0; +https://perplexity.ai/perplexity-user)	different
verifiable_by_rdns	not_documented	not_documented	same

Differences

Field	OAI-AdsBot statement	Perplexity-User statement
cites_sources	not documented	Perplexity includes a link to each page that Perplexity-User visits in the Perplexity response.
purpose_documented	OAI-AdsBot visits landing pages submitted as ads on ChatGPT to check compliance with OpenAI policies.	Perplexity-User visits web pages to answer questions that users ask Perplexity.
reads_llms_txt	not documented	Perplexity does not publish whether Perplexity-User reads llms.txt files.
respects_robots_txt	OpenAI does not publish whether OAI-AdsBot honours robots.txt disallow rules.	Perplexity-User ignores robots.txt rules because a user requests each Perplexity-User fetch.
scope_of_crawling	OAI-AdsBot visits only pages submitted as ads on ChatGPT.	not documented
user_agent_string_full	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.	Perplexity-User sends the user agent string Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Perplexity-User/1.0; +https://perplexity.ai/perplexity-user).