How Codex Happened: inside OpenAI's coding comeback, written twice as fast with agents
every · x · 2026-10-20
Every's Dan Shipper publishes "How Codex Happened," chronicling OpenAI's coding comeback from a muted GPT-5 Codex reception and a failed cloud launch to the app that now anchors ChatGPT. He also shares his agent workflow: an 8,000-word draft's middle section was reordered by an agent using Gemini 4 Argon proposals applied as tracked changes in Google Docs, roughly doubling his writing speed.
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