In Epoch AI's ChatGPT usage explorer, built from the real message histories of a YouGov panel of US users, the median number of monthly messages per active user, counting prompts and replies, rose from 14 in January 2023 to 36 in December 2025
Epoch AI measured the median number of messages per active panelist, counting prompts and replies, which rose from 14 in January 2023 to 36 in December 2025. This data comes from the ChatGPT usage explorer, built on metadata from the ChatGPT histories of 5,000 US YouGov panelists.
Verified 2026-11-04
Track with InsiderWhy it matters
The typical user is leaning on chatbots more every month rather than trying them once and drifting away, which supports the case for steady subscription and usage revenue.
More on Adoption
- Stanford's 2026 AI Index, citing McKinsey's 2025 survey, breaks down AI-agent deployment by business function. Even in IT, the function with the most agent activity, the share of organisations reporting no AI-agent use at all in 2025 was still 69% of organizations report zero AI-agent use in IT, the business function with the heaviest agent activity
- Stanford's 2026 AI Index reports that organizations' use of generative AI specifically, not just AI overall, grew sharply in 2025: the share of organizations that regularly use generative AI in at least one business function reached 79%, up from 71% in 2024
- Stanford's 2026 AI Index compared generative AI's adoption curve after its mass-market debut to that of earlier transformative technologies, and found generative AI reached 53% population adoption within three years, faster than the PC or the internet
FREE · NO CARD
Facts like this, six days a week
The Daily Receipts on weekdays, The Weekly Brief on Saturday — six sourced facts a day by email, two more than the free site shows. Every one traced to the filing it came from. Free.
Get the free daily briefFree · No card · Unsubscribe anytime
Join now and you start with 100 Receipts on The Receipts Ledger — your first step toward a free year of Insider or Pro. How it works →
See today's issue →