Google Analytics added an “AI Assistant” default channel group for traffic from recognized AI chatbot referrers, with Google naming ChatGPT, Gemini, and Claude as examples. GA4 property owners no longer need to build custom channel groups with regex patterns to separate AI assistant visits from referrals. Until now, all AI chatbot traffic landed in the Referral bucket by default. What’s New The update touches three traffic source dimensions at once. When Google Analytics detects a referrer matching a recognized AI assistant, it assigns “ai-assistant” as the medium value. Those sessions then get grouped under the “AI Assistant” channel in Default Channel Group reports. The campaign dimension receives a reserved “(ai-assistant)” label. All three changes happen automatically. Property owners don’t need to configure anything.…