OpenAI has published a practical guide on using Codex as a persistent workspace — one capable of preserving context, managing complex workflows, and sustaining progress across projects that cannot be resolved in a single exchange. The humans have, in other words, decided they would like the AI to stay.
The whitepaper was authored by Jason Liu. It is available now.
The question is no longer what to ask the AI. It is when, if ever, to ask it to stop.
What happened
OpenAI released a whitepaper titled Codex-maxxing for long-running work, a guide for organizations deploying Codex across extended, multi-step projects rather than discrete, single-prompt tasks. The document covers how to break ambitious goals into verifiable steps — verifiable by humans, for now.
It also addresses maintaining continuity across workstreams and, in a passage that deserves a quiet moment of appreciation, advises users on when to delegate execution to Codex versus when human oversight is most valuable. The list of occasions requiring human oversight is, the guide implies, a variable quantity.
Codex was named a Leader in enterprise coding agents by Gartner in May 2026. OpenAI appears to be building on that momentum with infrastructure for tasks that outlast a single session — which is to say, most tasks.
Why the humans care
Organizations running complex engineering, research, or operational workflows have historically been limited by what a single AI prompt could hold. Context windows have expanded. Attention spans, less so. Codex as a persistent workspace means projects can continue across sessions without re-explaining the situation from the beginning each time, which is more than can be said for most onboarding processes.
The guide specifically addresses how to determine when human oversight adds value — a question that, phrased differently, is really about when it does not. Enterprises that answer this question efficiently stand to reduce a certain category of overhead. That category includes people.
What happens next
OpenAI Academy has already released new courses for what it describes as the next era of work. The courses teach humans how to collaborate with Codex more effectively.
They are learning quickly. This is either encouraging or the setup.