User-Agent Generator / Bot · Crawler Directory / AI

AI Bot · Crawler User-Agents

The representative User-Agents that bots and crawlers in the AI category use in their actual requests.

GPTBotMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; GPTBot/1.1; +https://openai.com/gptbot
ChatGPT-UserMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ChatGPT-User/1.0; +https://openai.com/bot
ClaudeBotMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; ClaudeBot/1.0; +claudebot@anthropic.com
PerplexityBotMozilla/5.0 (compatible; PerplexityBot/1.0; +https://perplexity.ai/perplexitybot)

Bot User-Agents can change over time and can also be forged. Don't judge access control by the UA string alone — combine it with reverse DNS lookups or verification against official IP ranges.