According to the Wall Street Journal, OpenAI says Codex has reached 4 million weekly active users, up from 3 million two weeks ago. Last month, it had over 2 million users.

2026-04-21

According to the Wall Street Journal, OpenAI says Codex has reached 4 million weekly active users, up from 3 million two weeks ago. Last month, it had over 2 million users.