For SEO professionals and webmasters, managing AI crawlers is paramount. While allowing AI bots to access your content is crucial for visibility in emerging AI discovery engines, uncontrolled crawling can quickly exhaust server resources, leading to performance issues and unexpected hosting costs. Official documentation for AI user-agent strings is often incomplete or outdated, making effective management a challenge.

To address this, we've compiled a verified list of AI crawlers based on actual server logs, complete with user-agent strings and, where available, official IP lists for validation. This resource will be regularly updated to reflect new crawlers and changes to existing ones.

The Complete Verified AI Crawler List (December 2025)

Name Purpose Crawl Rate of SEJ (pages/hour) Verified IP List Robots.txt disallow Complete User Agent
GPTBot AI training data collection for GPT models (ChatGPT, GPT-4o) 100 Official IP List User-agent: GPTBot
Allow: /
Disallow: /private-folder
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; GPTBot/1.3; +https://openai.com/gptbot)
ChatGPT-User AI agent for real-time web browsing when users interact with ChatGPT 2400 Official IP List User-agent: ChatGPT-User
Allow: /
Disallow: /private-folder
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ChatGPT-User/1.0; +https://openai.com/bot
OAI-SearchBot AI search indexing for ChatGPT search features (not for training) 150 Official IP List User-agent: OAI-SearchBot
Allow: /
Disallow: /private-folder
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.3; +https://openai.com/searchbot
ClaudeBot AI training data collection for Claude models 500 Official IP List User-agent: ClaudeBot
Allow: /
Disallow: /private-folder
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Claude-User AI agent for real-time web access when Claude users browse <10 Not available User-agent: Claude-User
Disallow: /sample-folder
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Claude-User/1.0; [email protected])
Claude-SearchBot AI search indexing for Claude search capabilities <10 Not available User-agent: Claude-SearchBot
Allow: /
Disallow: /private-folder
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Claude-SearchBot/1.0; +https://www.anthropic.com)
Google-CloudVertexBot AI agent for Vertex AI Agent Builder (site owners’ request only) <10 Official IP List User-agent: Google-CloudVertexBot
Allow: /
Disallow: /private-folder
Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.7390.122 Mobile Safari/537.36 (compatible; Google-CloudVertexBot; +https://cloud.google.com/enterprise-search)
Google-Extended Token controlling AI training usage of Googlebot-crawled content. User-agent: Google-Extended
Allow: /
Disallow: /private-folder
Gemini-Deep-Research AI research agent for Google Gemini’s Deep Research feature <10 Official IP List User-agent: Gemini-Deep-Research
Allow: /
Disallow: /private-folder
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Gemini-Deep-Research; +https://gemini.google/overview/deep-research/) Chrome/135.0.0.0 Safari/537.36
Google Gemini’s chat when a user asks to open a webpage <10 Google
Bingbot Powers Bing Search and Bing Chat (Copilot) AI answers 1300 Official IP List User-agent: BingBot
Allow: /
Disallow: /private-folder
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm) Chrome/116.0.1938.76 Safari/537.36
Applebot-Extended Doesn’t crawl but controls how Apple uses Applebot data. <10 Official IP List User-agent: Applebot-Extended
Allow: /
Disallow: /private-folder
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4 Safari/605.1.15 (Applebot/0.1; +http://www.apple.com/go/applebot)
PerplexityBot AI search indexing for Perplexity’s answer engine 150 Official IP List User-agent: PerplexityBot
Allow: /
Disallow: /private-folder
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; PerplexityBot/1.0; +https://perplexity.ai/perplexitybot)
Perplexity-User AI agent for real-time browsing when Perplexity users request information <10 Official IP List User-agent: Perplexity-User
Allow: /
Disallow: /private-folder
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Perplexity-User/1.0; +https://perplexity.ai/perplexity-user)
Meta-ExternalAgent AI training data collection for Meta’s LLMs (Llama, etc.) 1100 Not available User-agent: meta-externalagent
Allow: /
Disallow: /private-folder
meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Meta-WebIndexer Used to improve Meta AI search. <10 Not available User-agent: Meta-WebIndexer
Allow: /
Disallow: /private-folder
meta-webindexer/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)
Bytespider AI training data for ByteDance’s LLMs for products like TikTok <10 Not available User-agent: Bytespider
Allow: /

Similar News

SaaStr's AI SDRs: $1M Revenue in 90 Days

SaaStr, a leading SaaS community, details its six-month journey deploying five specialized AI Sales Development Representatives (SDRs). This article uncovers the actual performance metrics, unexpected insights, and the substantial human commitment necessary to achieve over $1 million in revenue in just 90 days, fundamentally reshaping their sales development strategy.

Tesla FSD Texting Feature Sparks Safety, Legal Debate

Tesla CEO Elon Musk has stirred controversy by stating that the latest Full Self-Driving (Supervised) software allows drivers to text, a practice illegal in most U.S. states. This revelation comes amidst intensifying scrutiny from federal regulators and a legal battle with California authorities over the safety and marketing of Tesla's driver assistance systems.

Thomas Lee Young's Unlikely Path to AI Industrial Safety

This article explores the journey of Thomas Lee Young, CEO of Interface, an AI startup focused on preventing industrial accidents. It details how his unconventional background and experiences have become a significant advantage in the competitive world of industrial technology and venture capital.

Leona Health Secures $14M from a16z for AI Doctor Co-pilot

Leona Health, a startup founded by former Uber Eats and Rappi executive Caroline Merin, has raised $14 million in seed funding to tackle the overwhelming volume of patient communications doctors in Latin America receive via WhatsApp. Its AI co-pilot aims to streamline healthcare interactions and save physicians valuable time.

Nvidia Unveils Advanced AI Weather Forecasting Models

Nvidia has launched a new suite of AI-powered weather forecasting models, including Earth-2 Medium Range, Nowcasting, and Global Data Assimilation. These tools aim to significantly enhance forecast accuracy and speed, making advanced meteorological insights more accessible worldwide.