Story · Pragmatic Engineer
Inside OpenAI’s agentic software factory (Pragmatic Engineer)
newsletter item · Story page
Inside how OpenAI runs Codex on its own codebase
Appeared in
- A shell beats a typed tool catalog, and agents barely report their work
Sep 16, 2026 · quick links
Subscribe
Get the brief in your inbox
Pick daily, weekly, or both. Nothing is gated either way: every issue is on the site and in the feeds.
- Weekdays at 8:45am IST, one lead story and 6 to 9 items.
- Sundays, an argued synthesis rather than a recap.
- One click to leave, and quiet days say so in the subject line.