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ChatGPT's Prompt Share Fell From 70% to 50% in Six Months
ChatGPT's share of AI prompts fell from 70% to 50% in six months as Gemini and Claude gained ground, per Comscore — and GEO strategies must follow.
Updated
The brief
- ChatGPT's share of AI prompt volume fell from 70% to 50% between January and June 2026, while Gemini rose from 17% to 30% and Claude from 2% to 11%, per Comscore's Q2 2026 AI Intelligence Report.
- Google desktop searches with an AI Overview grew from 25.8% in July 2025 to 39.4% in June 2026, further pressuring publishers' search referral traffic.
- Tripadvisor accounts for 61% of travel sourcing by AI platforms but only 21% of citations, showing that being used by AI does not equal being visible in AI.
Based on Digiday
Filed under chatgpt, gemini, claude, comscore, ai-search
Tom Whitfield
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Staff writer covering consumer brands and retail at Marketing Herald.