Sam Altman says OpenAI built Codex despite trailing Claude Code

jxnlco · x · 2026-07-26

Sam Altman said building Codex was a “crazy kamikaze mission” because OpenAI was already behind Claude Code, but the team still took on the challenge.

He argued that the usual consensus is to move on when a competitor has momentum in a product category, yet OpenAI decided Codex was important enough to pursue anyway. Altman also claimed that Codex is now the product most of the best coders he knows use.

Related event: Altman Calls Codex Development a 'Suicide Mission' to Catch Up with Claude Code(2 posts)→

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