Top AI Chatbots by Market Share June 2026
June 2, 2026
Tyler Einberger
Read time:
9 minutes
As of this June 2026 edition, ChatGPT is the AI chatbot market share leader, at 54.7% of worldwide web visits across the seven largest generative AI chatbots, ahead of Google Gemini (27.4%) and Anthropic's Claude (8.2%). In this report, "market share" means web-visit share: each assistant's portion of measured web traffic across a defined seven-app set, as estimated by Similarweb. The report ranks every major AI chatbot by web traffic, charts the 15-month trend, breaks out United States share, reports growth and engagement, and states the measurement method in full.
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