ChatGPT maintains AI market leadership despite declining share

ChatGPT continues to lead the generative artificial intelligence market in terms of absolute web traffic, though its market share is experiencing a decline due to rising competition. According to data from Similarweb and AITools.xyz, ChatGPT recorded approximately 5.9 billion visits in September 2026. While its total volume remains high, its market share dropped from 71.8% to 56.4% over an eleven-month period.

Google’s Gemini holds the second position in traffic rankings, followed by Anthropic’s Claude. Other notable platforms in the top rankings include DeepSeek from China, Canva from Australia, and Magnific from Spain. The data highlights a diversifying ecosystem where, although ChatGPT maintains a substantial lead, new competitors are successfully capturing a larger portion of the total user attention.

These statistics specifically measure visits to standalone websites and exclude traffic from mobile applications, APIs, or embedded tools within other operating systems. The majority of the top 15 most visited AI platforms are based in the United States.