On Friday, OpenAI engineer Michael Bolin shared a technical breakdown of the Codex CLI coding agent, enhancing understanding of AI coding tools that write code, run tests, and fix bugs with human oversight. This comes as AI coding agents, like Claude Code with Opus 4.5 and Codex with GPT-5.2, have become significantly more useful for prototyping and boilerplate code. While they excel at simple tasks, they still require human supervision for complex projects due to limitations and the need for debugging. The article provides insights into OpenAI’s design philosophy amidst the growing practicality of these AI tools.
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