Codex Ran 1,000+ Hours Keeping Builds and Tests Green
Channel OpenAI on YouTube
At a glance
This is an official OpenAI DevDay 2026 video. It looks at a case where Codex, a coding agent (an AI program that writes and fixes code on its own), kept builds and tests passing for over 1,000 hours.
What the video covers
It explains how to choose tasks to hand off repeatedly.
It covers ways to improve feedback.
It introduces how to manage token budgets (limits on the amount of text an AI processes).
It covers how to decide when engineers should step in.
Why watch it?
It can offer practical operating tips for developers and teams bringing AI coding tools into their work.
Original video
What Will You Build With Coding Agents That Don’t Quit? | DevDay 2026
OpenAI on YouTube · Nov 11, 2026, 10:24 AM GMT+9 · youtube.com
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