OpenAI Codex Surpasses 3M Weekly Users — Internal Research Shows Non-Developer Use Grew 137x Since August 2025
⚠️ Disclosure: The figures in this article come from an internal research paper published by OpenAI about its own products. They have not been independently audited. We’re reporting them because they’re significant if accurate — but you should weight self-reported metrics accordingly. On June 25, 2026, OpenAI published “How Agents Are Transforming Work” — a research paper measuring how Codex agents have changed the way people work, both inside OpenAI and among external users. The numbers are striking. The sourcing context matters. ...