OpenAI Codex Hits 5M Weekly Users, Up 6x [2026] - tech-insider.org
First independent report of Codex crossing 5M weekly users.
2 items · 2 sources · 2 days
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Codex usage accelerated past 10x growth in six months to about 7M weekly users, gaining roughly 1M in a single day, and the report raises whether Codex has overtaken Claude Code on usage.
OpenAI's Codex crossed 5M weekly users on Jul 4, up 6x. Ten days later a follow-up report put growth past 10x over six months, to roughly 7M users.
State over time
First independent report of Codex crossing 5M weekly users.
Follow-up report puts growth past 10x in six months and raises whether Codex has overtaken Claude Code.
First independent report of Codex crossing 5M weekly users.
Follow-up report puts growth past 10x in six months and raises whether Codex has overtaken Claude Code.
What to watch — open questions
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