ChatGPT web traffic share falls to 53.7%, Gemini surges to 26.7%
Summary
SimilarWeb's May 2026 web-traffic data shows ChatGPT's share fell to 53.7% from 77.6 a year earlier, while Google's Gemini jumped to 26.7% (+19.4 percentage points). Anthropic's Claude increased to 7.9%, Deepseek dipped to 4%, Grok remained around 3%, and Copilot and Perplexity stayed below 2%. The figures cover only browser web traffic and exclude API, mobile app, and desktop usage. Google’s gain largely reflects advantages from the Android ecosystem and search-driven referral traffic.
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