AI Assistants

ChatGPT-User Checker

ChatGPT-User · OpenAI · Last reviewed: 2026-10-01

Overview

Purpose

User-triggered visits from ChatGPT.

Exact user-agent token

ChatGPT-User

robots.txt

Allow example

User-agent: ChatGPT-User
Allow: /

Block example

User-agent: ChatGPT-User
Disallow: /

Important limitation

A robots.txt verdict describes the published rule for the tested path. It does not prove crawling, indexing, training, citations or traffic.

Frequently asked question

Does this rule control every product from the same operator?

No. Operators can publish separate user-agent tokens for training, search and user-triggered retrieval. Configure each documented token intentionally.

Official source

OpenAI documentation ↗