- ChatGPT recorded its weakest referral market share since industry tracking officially began
- Google Gemini continued to expand through integration into Android, Chrome, Search and Workspace
- Perplexity regained traffic share after months of declining referral activity across all platforms
New market figures have suggested that OpenAI’s ChatGPT is gradually losing referral share as competitors gain ground in the increasingly competitive AI chatbot industry.
The latest data from Statcounter claims that ChatGPT accounted for 76.85% of AI chatbot referrals in April 2026, which may seem high, but actually marks the platform’s lowest share on record after three consecutive months of losses for OpenAI, which stood at over 84% just a year ago.
Google Gemini continues to grow, hitting an all-time high of 9% share and holding second place for two consecutive months, with Perplexity and Copilot also recovering after months of decline, while a recent rally for Claude has begun to cool.
Rivals grow as OpenAI sinks
Aodhan Cullen, CEO of Statcounter, said the AI chatbot referral market is entering a whole new phase of competition.
Google’s strategy of integrating Gemini into Search, Android, Workspace, and Chrome is clearly paying off in terms of user adoption; Now the question arises whether Gemini will be able to overcome the 10% barrier in the coming months.
Perplexity rose to 7.73% from 7.07% in March 2026, regaining some of the share it lost over the past year.
Copilot rose to 3.76% from 3.19%, although both remain well below their respective 2025 highs.
Claude’s referral share fell again to 2.66% in April, down from 2.91% in March of this year, a period in which he doubled his share in a single month and was widely attributed to the “QuitGPT” movement.
This followed OpenAI’s controversial deal with the Pentagon, which led many users to look for alternatives.
Weekly data had already indicated that the peak was cooling, with Claude’s share peaking at 3.6% in week 12 before falling again.
Cullen said Claude’s data serves as a useful case study on news-driven adoption patterns, as the initial spike was dramatic, but some pullback was expected given the nature of such movements.
At 2.66%, Claude remains significantly above where he was at the beginning of the year, at just 0.92% in January.
What this means for website owners and marketers
OpenAI’s ChatGPT dominance is gradually eroding over time, with traffic spreading across an increasingly competitive field.
For website owners and digital marketers, optimizing for a single AI tool is no longer a sufficient strategy.
Generative engine optimization across multiple platforms should be part of every digital marketing plan in the future.
The AI chatbot market is fragmenting and no one player can claim permanent dominance.
ChatGPT still leads by a wide margin, but its share has fallen almost 8 percentage points over the course of a single year.
Google Gemini is approaching double-digit share and the rivals combined now own more than 23% of the benchmark market.
Website owners who rely on ChatGPT-powered traffic should also diversify their generative engine optimization strategies into Gemini, Perplexity, Copilot, and Claude.
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