Software developers are getting more and more signs every day that AI is going to render them jobless. The advancement of models like AI LLM models like that of Anthropic, which has released Claude, is worsening the existential crisis for app developers. Now OpenAI has jumped in to rub salt on their wounds, revealing that one of its own teams recently shipped a product where every single line of code was generated by AI agents.
This product was powered by Codex, with zero direct coding input from coding engineers. In a post on ‘X’, Srinivas Narayan, who is the Vice President of Engineering at OpenAI, said the team had shipped an internal beta product with zero human written cide, with every line generated by Codex agents.
“We shipped an internal beta of a product with zero human-written code — every line was generated by Codex agents, boosting velocity (by) 10x,” he wrote
He also added, “Here are some lessons from how the team did it. Great work (by) the team in pushing the boundaries of what software engineering looks like in the Codex world.”
What is Codex?
Codex is an AI tool that uses ChatGPT to function like a software developer. Unlike traditional coding assistants that simply autocomplete lines or suggest snippets to developers. OpenAI said that Codex understands broader tasks. It writes full features, generates tests, refactors code, fixes bugs, and even manages pull requests.
For a layperson, OpenAI’s coding agent can code like a junior or sometimes a senior developer, turning instructions into working systems.
What role do human coders play?
As for the human engineers and coders, OpenAI mentions that their role does not disappear. Although the engineers do not write functions or manually configure infrastructure, they break the projects into clearly defined tasks for Codex agents. The Codex then generates the application logic, documentation, test coverage and infrastructure updates.
Does using Codex help team productivity?
While OpenAI acknowledges, designing systems where AI agents handle the implementation while humans focus on direction, judgement and quality control is significantly speeding things up.
It says “What’s different is that every line of code- application logic, tests, CI configuration, documentation, observability, and internal tooling- has been written by Codex.”