---
title: "Which AI search engines are included in the \"AI Search\" source?"
description: "See how AI-driven referral traffic is tracked in Knotch One."
url: https://help.knotch.com/en/articles/48-which-ai-search-engines-are-included-in-the-ai-search-source
collection: "Knotch One"
updated: 2025-06-11
language: en
---

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

See how AI-driven referral traffic is tracked in Knotch One.

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.