What is ChatGPT-User bot, and why is it visiting my website?

ChatGPT-User is an HTTP user agent operated by OpenAI and used when a ChatGPT user or Custom GPT explicitly requests access to a webpage, API, or external application. Unlike traditional search engine crawlers, it does not automatically crawl the web for indexing purposes. Requests are typically triggered by a direct user action, such as asking ChatGPT to retrieve information from a webpage or interact with a service through GPT Actions. If your website is publicly accessible, occasional ChatGPT-User traffic may appear in server logs when users interact with your content through ChatGPT.

Is ChatGPT-User a legitimate bot, or is it commonly spoofed?

ChatGPT-User is a legitimate user agent operated by OpenAI. However, like other well-known bots and crawlers, its User-Agent string can be spoofed by third parties because HTTP headers are easily modified. Attackers may spoof ChatGPT-User to bypass filters, disguise scraping activity, or make automated traffic appear legitimate. For this reason, User-Agent strings alone should never be considered proof that a request originated from OpenAI. You can use OpenAI's recommended methods mentioned below to verify a legitimate visit, or use RobotSense.io API to easily verify ChatGPT-User visits.

How can I verify that a request is really coming from ChatGPT-User?

You can use OpenAI's recommended official methods to verify ChatGPT-User visits, these include: - IP range checks Do not use User-Agent based detection as that can be easily spoofed. Alternatively, you can use RobotSense.io API to easily verify ChatGPT-User and all other bots from OpenAI.

Should I allow or block ChatGPT-User on my website?

For most public websites, allowing ChatGPT-User is optional and depends on whether you want ChatGPT users to access your content through ChatGPT interactions. Because requests are generally user-initiated rather than automated crawling, the traffic volume is typically low. Blocking may be appropriate when: - Content is private or licensed. - APIs are intended only for approved clients. - Sensitive data should not be accessed through AI-assisted workflows. - Security or compliance requirements restrict third-party access.

How can I control or block ChatGPT-User using robots.txt or other methods?

You can add a rule in your robots.txt, as given above to control (crawl-delay) or disallow ChatGPT-User. ChatGPT-User honors robots.txt directives. Also, you can use further controls in your WAF, or in RobotSense enforcement settings to manage the bot behavior.

How often does ChatGPT-User crawl websites, and can it impact server performance?

ChatGPT-User does not perform continuous or large-scale web crawling. Requests are typically event-driven and occur only when a ChatGPT user initiates an action that requires retrieving information from a website or external service. For most websites, performance impact is minimal because: - Request volume is usually low. - Bandwidth consumption is limited. - Traffic is tied to user activity rather than automated crawling schedules. High request volumes would generally be unusual compared with traditional search engine crawlers.

What happens if I block ChatGPT-User? SEO, visibility, and feature impact explained.

Blocking ChatGPT-User does not directly affect search engine rankings because it is not used for web indexing. Potential impacts include: - ChatGPT users may be unable to retrieve content from your website through ChatGPT browsing or actions. - Custom GPT integrations may fail to access blocked resources. - AI-assisted workflows that depend on direct retrieval may be limited. - User-requested content access through ChatGPT may not function as expected. Blocking ChatGPT-User does not affect Google indexing, Bing indexing, traditional SEO databases, or standard search visibility.

Does ChatGPT-User collect, scrape, or use my content for training or reuse?

ChatGPT-User may retrieve webpage content when a user explicitly requests information from a website or when a GPT Action interacts with an external service. According to OpenAI, ChatGPT-User is not used for automated web crawling and is not used to crawl content for generative AI model training. Its documented purpose is limited to facilitating user-requested interactions. While content may be temporarily retrieved to fulfill a request, there is no documented use of ChatGPT-User for search indexing, SEO datasets, large-scale content harvesting, or automated AI training pipelines.

ChatGPT-User

Name: ChatGPT-User
Author: OpenAI

AI Agent

Operated by OpenAIAI Agent

Visit Bot Homepage

Verify ChatGPT-User IP Address

Verify if an IP address truly belongs to OpenAI, using official verification methods. Enter both IP address and User-Agent from your logs for the most accurate bot verification.

ChatGPT-User is an AI Agent bot operated by OpenAI. ChatGPT-User is primarily used for user actions in ChatGPT and Custom GPTs. When a user asks ChatGPT or a CustomGPT a question, it may visit a web page with a ChatGPT-User agent. OpenAI also uses ChatGPT-User agent to allow ChatGPT users to interact with external applications via GPT Actions. As per OpenAI, ChatGPT-User is not used for crawling the web in an automatic fashion, nor to crawl content for generative AI trainings. RobotSense.io verifies OpenAI ChatGPT-User using OpenAI’s official validation methods, ensuring only genuine ChatGPT-User traffic is identified.

This bot does not honor Crawl-Delay rule.

User Agent Examples

Full user-agent string: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ChatGPT-User/1.0; +https://openai.com/bot

Robots.txt Configuration for ChatGPT-User

Robots.txt User-Agent:ChatGPT-User

Use this identifier in your robots.txt User-agent directive to target ChatGPT-User.

Recommended Configuration

Our recommended robots.txt configuration for ChatGPT-User:

User-agent: ChatGPT-User
Allow: /

Completely Block ChatGPT-User

Prevent this bot from crawling your entire site:

User-agent: ChatGPT-User
Disallow: /

Completely Allow ChatGPT-User

Allow this bot to crawl your entire site:

User-agent: ChatGPT-User
Allow: /

Block Specific Paths

Block this bot from specific directories or pages:

User-agent: ChatGPT-User
Disallow: /private/
Disallow: /admin/
Disallow: /api/

Allow Only Specific Paths

Block everything but allow specific directories:

User-agent: ChatGPT-User
Disallow: /
Allow: /public/
Allow: /blog/

Set Crawl Delay

Limit how frequently ChatGPT-User can request pages (in seconds):

User-agent: ChatGPT-User
Allow: /
Crawl-delay: 10

Note: This bot does not officially mention about honoring Crawl-Delay rule.

Put these rules to work

Test a URL against these rules Build a full robots.txt

Or validate a robots.txt you already have.

Frequently Asked Questions

What is ChatGPT-User bot, and why is it visiting my website?: ChatGPT-User is an HTTP user agent operated by OpenAI and used when a ChatGPT user or Custom GPT explicitly requests access to a webpage, API, or external application. Unlike traditional search engine crawlers, it does not automatically crawl the web for indexing purposes. Requests are typically triggered by a direct user action, such as asking ChatGPT to retrieve information from a webpage or interact with a service through GPT Actions. If your website is publicly accessible, occasional ChatGPT-User traffic may appear in server logs when users interact with your content through ChatGPT.
Is ChatGPT-User a legitimate bot, or is it commonly spoofed?: ChatGPT-User is a legitimate user agent operated by OpenAI. However, like other well-known bots and crawlers, its User-Agent string can be spoofed by third parties because HTTP headers are easily modified. Attackers may spoof ChatGPT-User to bypass filters, disguise scraping activity, or make automated traffic appear legitimate. For this reason, User-Agent strings alone should never be considered proof that a request originated from OpenAI. You can use OpenAI's recommended methods mentioned below to verify a legitimate visit, or use RobotSense.io API to easily verify ChatGPT-User visits.
How can I verify that a request is really coming from ChatGPT-User?: You can use OpenAI's recommended official methods to verify ChatGPT-User visits, these include: - IP range checks Do not use User-Agent based detection as that can be easily spoofed. Alternatively, you can use RobotSense.io API to easily verify ChatGPT-User and all other bots from OpenAI.
Should I allow or block ChatGPT-User on my website?: For most public websites, allowing ChatGPT-User is optional and depends on whether you want ChatGPT users to access your content through ChatGPT interactions. Because requests are generally user-initiated rather than automated crawling, the traffic volume is typically low. Blocking may be appropriate when: - Content is private or licensed. - APIs are intended only for approved clients. - Sensitive data should not be accessed through AI-assisted workflows. - Security or compliance requirements restrict third-party access.
How can I control or block ChatGPT-User using robots.txt or other methods?: You can add a rule in your robots.txt, as given above to control (crawl-delay) or disallow ChatGPT-User. ChatGPT-User honors robots.txt directives. Also, you can use further controls in your WAF, or in RobotSense enforcement settings to manage the bot behavior.
How often does ChatGPT-User crawl websites, and can it impact server performance?: ChatGPT-User does not perform continuous or large-scale web crawling. Requests are typically event-driven and occur only when a ChatGPT user initiates an action that requires retrieving information from a website or external service. For most websites, performance impact is minimal because: - Request volume is usually low. - Bandwidth consumption is limited. - Traffic is tied to user activity rather than automated crawling schedules. High request volumes would generally be unusual compared with traditional search engine crawlers.
What happens if I block ChatGPT-User? SEO, visibility, and feature impact explained.: Blocking ChatGPT-User does not directly affect search engine rankings because it is not used for web indexing. Potential impacts include: - ChatGPT users may be unable to retrieve content from your website through ChatGPT browsing or actions. - Custom GPT integrations may fail to access blocked resources. - AI-assisted workflows that depend on direct retrieval may be limited. - User-requested content access through ChatGPT may not function as expected. Blocking ChatGPT-User does not affect Google indexing, Bing indexing, traditional SEO databases, or standard search visibility.
Does ChatGPT-User collect, scrape, or use my content for training or reuse?: ChatGPT-User may retrieve webpage content when a user explicitly requests information from a website or when a GPT Action interacts with an external service. According to OpenAI, ChatGPT-User is not used for automated web crawling and is not used to crawl content for generative AI model training. Its documented purpose is limited to facilitating user-requested interactions. While content may be temporarily retrieved to fulfill a request, there is no documented use of ChatGPT-User for search indexing, SEO datasets, large-scale content harvesting, or automated AI training pipelines.

Other OpenAI Bots

OpenAI operates other crawlers you may also need to configure.

GPTBot

AI Training

GPTBot is an AI Training bot operated by OpenAI. GPTBot is used by OpenAI to make their generative AI foundation models more useful and safe. It is used to crawl content that may be used in training their generative AI foundation models. Disallowing GPTBot indicates that a site’s content should not be used in training generative AI foundation models. RobotSense.io verifies OpenAI GPTBot using OpenAI’s official validation methods, ensuring only genuine GPTBot traffic is identified.

OAI-SearchBot

OAI-SearchBot is a search bot operated by OpenAI. Data collected from the bot is used to link to and surface websites in search results in ChatGPT's search features. As per OpenAI, it is not used to crawl content to train its generative AI foundation models. OpenAI recommends allowing OAI-SearchBot in your site’s robots.txt file to help ensure that your site appears in search results. RobotSense.io verifies OpenAI OAI-SearchBot using OpenAI’s official validation methods, ensuring only genuine OAI-SearchBot traffic is identified.

Similar Bots

Other AI Agent bots from different operators.

Google-Agent

AI Agent

by Google

Google-Agent is a user-agent used by AI agents running on Google infrastructure to navigate the web and perform actions on behalf of users. It appears in scenarios where agent-based systems (such as experimental projects like Project Mariner) fetch webpages, interact with content, or complete tasks requested by users. This traffic is user-driven and task-specific, not a general-purpose crawler or indexing bot. Requests are typically targeted and may involve multi-step interactions rather than simple page fetches. It's activity is usually low to moderate depending on user demand. It does not directly contribute to Google Search indexing. Google-Agent bot does not respect robots.txt rules. RobotSense.io verifies Google-Agent using Google’s official validation methods, ensuring only genuine Google-Agent traffic is identified.

Google-CloudVertexBot

AI Agent

by Google

Google-CloudVertexBot is a crawler associated with Google Cloud’s Vertex AI ecosystem, used to retrieve web content for AI model evaluation, dataset preparation, and automated tool workflows within Vertex pipelines. The bot’s crawling is typically task-specific-triggered by developers using Vertex AI services that require fetching external URLs for analysis or model inputs. Overall activity is low to moderate, aligned with customer workloads rather than large-scale search indexing. RobotSense verifies Google-CloudVertexBot using Google’s official validation methods, ensuring only genuine Google-CloudVertexBot traffic is identified.