Comscore data shows AI discovery is splintering beyond ChatGPT

Comscore's Q2 AI Intelligence Report quantifies what publishers have been feeling: ChatGPT's share of prompt volume fell from 70% to 50% between January and June 2026, while Gemini nearly doubled to 30% and Claude climbed from 2% to 11%. The point is not that chatbot usage is shrinking; it is that the pie is growing and splitting across more assistants. Comscore's chief analytics officer Smriti Sharma puts the shift bluntly: "The message isn't that ChatGPT is winning the race. The message is AI assistants collectively are becoming a consumer behavior layer." For publishers, iPullRank's Michael King translates this into a visibility strategy that has to be multi-platform: "Publishers should stop asking 'how do we show up in ChatGPT' and start asking 'where is our audience actually asking questions.'" Google's AI Overviews are compounding the problem, growing from 25.8% to 39.4% of desktop searches in a year. The most useful distinction in the report is between being used and being cited: Tripadvisor accounts for 61% of travel sourcing by AI platforms but only 21% of citations, and King's read is that being sourced heavily without being cited "is leverage. It's the strongest argument you have in a licensing conversation."

The crux

AI visibility is fragmenting across assistants and AI Overviews, and the metric that now matters for publishers is citation and influence, not clicks or referral traffic.

Sell-side read

Publishers should be tracking sourcing versus citation rates per assistant, because a high sourced-to-cited ratio is the concrete evidence a licensing or commercial deal needs to argue the AI is using your content without paying for the influence.

Watch

Whether publishers manage to standardise a cross-platform AI visibility metric; Sharma notes there still is not a consistent way to measure it.