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GPTBot/1.3

UndecidedCommunity-sourced

GPTBot/1.3 is a web crawler developed by OpenAI to assist in gathering information and improving the training of AI models. It uses the capabilities of the GPT (Generative Pre-trained Transformer) architecture to efficiently scrape and analyze content from the internet. This bot aims to enhance the quality and performance of AI by indexing a diverse set of data, ensuring that models stay current with the latest information. The bot operates under specific guidelines to respect website preferences, such as complying with the "robots.txt" file, which indicates the areas a crawler can access. Additionally, GPTBot helps website administrators understand its activity by providing visibility into the types of data being collected. By utilizing this structured approach, OpenAI aims to create more robust and accurate AI systems while maintaining ethical standards in data collection. For more detailed and updated information, you can refer to the official OpenAI page on GPTBot.

Undecided
Assessment
Uncategorized
Category
Bot
Kind
1
Data sources

Identification

Bot name
GPTBot/1.3
Category
Uncategorized
Verification
Community-sourced
User-agent string
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.3; +https://openai.com/gptbot)

IP ranges

Requests from GPTBot/1.3 originate from these published ranges. For strict verification, match the source IP against this list in addition to checking the user-agent and reverse-DNS.

Showing 24 of 193 ranges

Block or allow GPTBot/1.3

Block it

Add a Disallow rule for Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.3; +https://openai.com/gptbot) in your robots.txt file. You can also block at the server level using your web server configuration or CDN firewall rules to filter requests matching the user-agent string.

# Block GPTBot/1.3 from crawling your entire site
User-agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.3; +https://openai.com/gptbot)
Disallow: /

# Allow GPTBot/1.3 full access
User-agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.3; +https://openai.com/gptbot)
Allow: /
Allow & verify

Ensure your robots.txt allows Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.3; +https://openai.com/gptbot). Verify requests by checking the user-agent string.

Traffic & trends

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Data sources

This profile is compiled from the following sources.

CrawlersDatabase
Last updated September 8, 2026

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