Head of Codex:

“90% of people at OpenAI use Codex. Not 90% of engineers - 90% of the entire company.

We build an agent → create a loop for it → that agentic loop does 40% of the coding at Codex.”

in a 1-hour podcast, the Head of Codex revealed the entire workflow of every OpenAI engineer.

Codex + loops + harness + LLM ops - the secret stack.

Watch this podcast today, then read the full guide on loop engineering below.