AI Assistants Head into 2026 on a High Note: Comscore Reports Triple-Digit Growth on Mobile

Mobile usage climbs +107% YoY to 54.3M unique visitors; desktop grows +18% YoY to 83.0M as ChatGPT drives PC gains

RESTON, Va., Jan. 29, 2026 (GLOBE NEWSWIRE) -- Comscore (Nasdaq: SCOR), a global leader in measuring and analyzing consumer behaviors, today released new data showing continued momentum for AI assistant destinations across devices heading into 2026. Using Comscore’s cross-platform measurement of unique visitors, total mobile visitation to the leading AI assistant destinations reached 54.3M in December 2025, up +107% YoY from December 2024.

Desktop visitation also increased, reaching 83.0M unique visitors, up +18% YoY with much of that incremental growth concentrated in ChatGPT.

AI Assistant Rankings – Dec 2025*

Mobile (Total: 54.3M, +107% YoY)

• OpenAI ChatGPT: 34.5M (+84% YoY)
• Google Gemini: 12.8M (+137% YoY)
• Microsoft Copilot: 10.6M (+246% YoY) — more than tripled
• Perplexity: 4.7M (+265% YoY)
• Meta: 1.3M (+50% vs. May 2025)

Desktop (Total: 83.0M, +18% YoY)

• OpenAI ChatGPT: 56.4M (+83% YoY)
• Microsoft Copilot: 33.4M (-28% YoY)
• Google Gemini: 12.3M (+648% YoY)
• Perplexity: 1.4M (+516% YoY)
• Anthropic Claude: 1.1M (+297% YoY)

“AI assistants are becoming an everyday utility, and the biggest story is how quickly the use of them on mobile is scaling,” said Smriti Sharma, EVP Analytics & Managing Director, Comscore CustomIQ, “As AI experiences become more integrated into apps and on-the-go workflows, we’re seeing sustained audience growth and increasingly clear leaders emerging across devices.”

Comscore’s latest snapshots underscore two clear shifts:

1. Mobile is accelerating as the default access point for leading assistants, with broad-based growth among major platforms.
2. Desktop growth remains strong but more concentrated, with ChatGPT capturing the largest share of year-over-year gains.

To learn more about how AI is reshaping consumer behavior including adoption trends, platform dynamics, and what it means for brands in 2026 download Comscore’s AI Intelligence Report.

*Source: CustomIQ Dec 2024 & Dec 2025.

About Comscore
Comscore is a global, trusted partner for planning, transacting and evaluating media across platforms. With an unmatched data footprint that combines digital, linear TV, over-the-top and theatrical viewership intelligence with advanced audience insights, Comscore empowers media buyers and sellers to quantify their multiscreen behavior and make meaningful business decisions with confidence. A proven leader in measuring digital and TV audiences and advertising at scale, Comscore is the industry's emerging third-party source for reliable and comprehensive cross-platform measurement.

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