GA4 adds 'AI Assistant' as a default channel to track ChatGPT, Gemini, and Claude traffic

Google Analytics 4 now classifies traffic from recognized AI assistants under a new 'AI Assistant' channel in the Default Channel Group, with sessions automatically tagged with medium 'ai-assistant' and campaign '(ai-assistant)'. Marketers can finally separate AI chatbot referrals from organic search and referral buckets without custom regex channel groups, making it easier to size AI's contribution to acquisition.

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