ChatGPT has crossed 1 billion monthly active users on mobile and web, marking a major milestone for OpenAI even as public sentiment on AI has cooled. The product maintains dominant reach despite increased regulatory scrutiny and competition from rivals like Claude and Gemini.
For enterprise buyers, the scale underscores OpenAI's installed-base advantage and API stickiness—questions around sentiment shift are less about demand collapse than portfolio consolidation as orgs rationalize their AI spending.