Bot reference catalog

One-page summaries of 30 common search, AI/LLM, and social-preview crawlers.

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OAI-SearchBot

Vendor
OpenAI
Type
AI search-index
JavaScript rendering
no
Honors robots.txt
yes
VendorOpenAI
TypeAI search index crawler
robots.txt tokenOAI-SearchBot
JavaScript renderingNo — HTTP-only fetcher
Honors robots.txtYes
Vendor docsplatform.openai.com/docs/bots

User-Agent strings

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; OAI-SearchBot/1.0; +https://openai.com/searchbot

Purpose

Builds OpenAI's search index — the corpus that ChatGPT Search uses when a user asks a question that needs current web information. Distinct from GPTBot (training) and ChatGPT-User (live, per-query fetches). Pages that OAI-SearchBot indexes are eligible to appear as sources in ChatGPT's search-grounded answers.

Network identity

In our audit

Blocked at most of the same sites as GPTBot — 62/100 e-commerce sites included OAI-SearchBot in their AI-bot block cluster. The block has a specific cost: those sites are not indexed for ChatGPT Search and therefore cannot appear as cited sources when ChatGPT answers a query that needs fresh web data.

How to allow / block

Allow indexing for ChatGPT Search visibility:

User-agent: OAI-SearchBot
Allow: /

Block indexing:

User-agent: OAI-SearchBot
Disallow: /

Quirks

want to appear in ChatGPT Search should allow it.

Sources