Which AI search engines are included in the "AI Search" source?

The AI Search source in Knotch One tracks traffic coming from AI chatbots and conversational search platforms.

Here’s a list of included domains and how we detect them:

ChatGPT / OpenAI

• Referrer/URL Match: chat.openai.com, chatgpt.com, or utm_source=chatgpt.com

Gemini (Google AI)

• Referrer/URL Match: gemini.google.com, or utm_source=gemini

Anthropic Claude AI

• Referrer/URL Match: claude.ai

Perplexity AI

• Referrer/URL Match: perplexity.ai, labs.perplexity.ai, or utm_source=perplexity

Bing AI

• Referrer/URL Match: edgeservices.bing.com

Copilot (Microsoft AI)

• Referrer/URL Match: copilot.microsoft.com

Mistral AI

• Referrer/URL Match: chat.mistral.ai, mistral.ai, or utm_source=mistral

These referral patterns are used to help you track how AI-powered discovery is driving visits to your content—and how that traffic performs.