Codex is one of tech's most important untold stories: 40M weekly users in under a year
danshipper · x · 2026-10-16
Dan Shipper teases his new deep-dive: a year ago Codex was a scrappy effort in a quiet corner of OpenAI with no PMF; today it runs inside the flagship ChatGPT desktop app, Codex + ChatGPT for Work serve 40M+ weekly users, and its leader runs all of OpenAI's core products — enabled by a dedicated model line trained separately from ChatGPT.
Related event: Every's "How Codex Happened" Chronicles Codex's Comeback(13 posts)→
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