Observed Signal · Sep 22, 2026 · Research Report · Source: Digiday · Impact: 4/5 · Sentiment: Neutral

AI Chatbot Shares Fragment Beyond ChatGPT, Comscore Data Shows

Zusammenfassung des Signals

Comscore's Q2 2026 AI Intelligence Report reveals that AI chatbot usage is diversifying, with ChatGPT's share of prompts dropping from 70% to 50% between January and June 2026. Gemini's share nearly doubled to 30%, while Claude rose to 11%. Despite fragmentation, overall AI assistant usage is growing, with 35% of desktop users visiting an AI assistant in June 2026, up from 25% in January 2025. Google AI Overviews are also expanding, appearing in 39.4% of desktop searches in June 2026, up from 25.8% a year earlier. This shift compels publishers and marketers to adopt multi-platform GEO strategies, measuring visibility and citations across various AI assistants. The report highlights that being sourced by AI doesn't guarantee visibility, as seen with Tripadvisor being sourced 61% for travel but cited only 21%.

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Hohe Konfidenz

High importance for publishers and marketers as it signals a fundamental shift in AI-driven discovery, requiring multi-platform GEO strategies and new citation-based metrics, directly impacting ad tech and media monetization.

Wichtigste Kernpunkte & Evidenz

  • ChatGPT's share of prompt volume fell from 70% to 50% between January and June 2026.
  • Gemini's share grew from 17% to 30%, and Claude's from 2% to 11% in the same period.
  • Google AI Overviews appeared in 39.4% of desktop searches in June 2026, up from 25.8% in July 2025.
  • ChatGPT reached 168 million desktop conversations in June 2026, up from 99 million multiplatform visits a year earlier.
  • Tripadvisor accounts for 61% of travel sourcing by AI platforms but only 21% of citations.
Primary Source Grounding & Direct Attribution
Direct Origin Attribution
Primary Reporting: DigidayPublished: Sep 22, 2026
Original Coverage Title: Comscore data shows how AI discovery is splintering beyond ChatGPT

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