Ars Technica News
Science/Tech / Ars Technica
OpenAI built an AI coding agent and uses it to improve the agent itself
The vast majority of Codex is built by Codex, OpenAI told us about its new AI coding agent.
13 Dec 2025 3:46 am
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OpenAI built an AI coding agent and uses it to improve the agent itself
The vast majority of Codex is built by Codex, OpenAI told us about its new AI coding agent.