Codex climbs from 1M to 10M active users in under six months

haider1 · x · 2026-07-22

Codex user base jumps from 1M to 10M in under six months

The post says Codex grew from 1 million active users to 10 million in less than six months.
The sharpest leg of the growth came recently: from 6 million to 10 million users in nine days.
The accompanying chart shows a steady climb from 1M on Feb 5 to 10M on Jul 21, with a dashed projection to 15M by Aug 2.
The author suggests GPT-5.6 hype and a product merge likely helped, and speculates that many new users may be Anthropic refugees switching because of weak Fable 5 decisions.

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