Inside OpenAI's Codex comeback: from failed launch to the app that swallowed ChatGPT
every · x · 2026-11-01
Dan Shipper of Every published a long-form story, "How Codex Happened," on OpenAI's comeback in AI coding.
- In summer 2025, on the eve of GPT-5's launch, Every's ten-person team had a month of early access and found Codex underwhelming for coding — the cloud version had missed product-market fit, and the team was pivoting to a local terminal-based agent.
- Today Codex is the centerpiece of OpenAI's comeback: it has "swallowed ChatGPT from the inside" and become the foundation for everything the company builds next.
- The piece traces the full arc from failed launch to dominating developer workflows.
- The article's illustrations started in Midjourney; dealville used Codex to build custom tools that animated and made them interactive.
A key first-hand narrative on OpenAI's coding strategy.
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