Report: OpenAI's Codex usage surges 10x in six months

A newsletter roundup reports that usage of OpenAI's Codex coding tool grew more than 10x over six months to roughly 7 million users, with about 1 million added in the past day alone. The report raises the question of whether Codex has overtaken Claude Code in usage, though exact comparative figures aren't confirmed.

Why it matters: If accurate, it would mark a major shift in the competitive landscape among AI coding assistants.