Comscore's Latest AI Intelligence Report Shows Competition Intensifying as Claude and Gemini Gain Ground on ChatGPT

NEW YORK, Sept. 22, 2026 (GLOBE NEWSWIRE) -- Comscore, a global leader in measuring and analyzing consumer behaviors, today released its Q2 2026 AI Intelligence Report, which shows that consumers are rapidly diversifying which AI assistants they use even as the overall category keeps expanding.

According to Comscore panel data, Claude's share of total AI prompt volume grew from 2% in January 2026 to 11% in June 2026, while Google's Gemini nearly doubled, from 17% to 30%, over the same period. ChatGPT remains the clear category leader but has seen its share of AI prompt volume fall from 70% to 50% as the competitive field widened. The report also found that the rate of growth on mobile is now outpacing desktop, with adoption of AI assistant up 12% and 25% respectively since the start of 2025.