How to Track AI Traffic in GA4: Separate ChatGPT & Gemini from Referrals
Stop letting valuable AI traffic get lost in your generic "Referral" bucket. In this quick GA4 tutorial, you’ll learn exactly how to create a Custom Channel Group to isolate and report on traffic coming from AI platforms like ChatGPT, Gemini, and Claude.
I walk you through the entire setup: from duplicating your default channel group to applying the correct Regex filter. Most importantly, I cover the critical "reordering" step that ensures Google Analytics 4 actually attributes this traffic correctly.
In this video, you will learn:
How to duplicate and modify Channel Groups in GA4
Setting up "Source Matches Regex" conditions for AI platforms
Why hierarchy matters: Reordering channels to prevent data loss
THE REGEX SNIPPET IS BELOW
^.*(chatgpt|openai|perplexity\.ai|claude\.ai|gemini|copilot|poe\.com|you\.com).*
Timestamps:
00:00 Intro: Why create an AI Traffic Channel
00:07 Navigating to Admin & Channel Groups
00:14 Creating a New Custom Channel Group
00:29 Setting Up the AI Regex Condition
00:49 Critical Step: Reordering Your Channels
01:01 Understanding GA4's Top-to-Bottom Logic
01:11 Verifying Data in Traffic Acquisition Reports