OpenAI just released its biggest study on ChatGPT’s users
How People Use ChatGPT. Aaron Chatterji, Tom Cunningham, David Deming, Zo¨e Hitzig1, Christopher Ong, Carl Shan, Kevin Wadman. OpenAI. Duke University. Harvard University. September 15, 2025. “Despite the rapid adoption of LLM chatbots, little is known about how they are used. We document the growth of ChatGPT’s consumer product from its launch in November 2022 …