Paper reading: How People Use ChatGPT - In-depth analysis of the ChatGPT usage behavior of 700 million users around the world
A research team from OpenAI, Duke University, and Harvard University published the first large-scale usage behavior study based on internal ChatGPT data. The study analyzed 26 billion messages from 700 million users from November 2022 to July 2025 through a privacy-preserving automated classification system, revealing ChatGPT usage patterns, demographic changes, and how generative AI creates economic value.
Nov 4, 2025