How AI coding agents work—and what to remember if you use them

Image credit: pch.vector via Freepik. Article by Benj Edwards. Ars Technica – December 24, 2025.

AI coding agents from OpenAI, Anthropic, and Google can now work on software projects for hours at a time, writing complete apps, running tests, and fixing bugs with human supervision. But these tools are not magic and can complicate rather than simplify a software project. Understanding how they work under the hood can help developers know when (and if) to use them, while avoiding common pitfalls. […]

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