A micro-level look at how AI coding agents write, run, test, verify and debug code: the edit loop, output acceptance, the exec tool, and why some agents feel like native command-line programmers while others feel like scripters.

The first four posts in this series took the telescope view of AI agents. This one takes the microscope: how a coding agent turns an instruction into a working, tested change — how it edits, compiles, runs, tests and debugs — and why Claude Code behaves like a native *nix programmer while others reach for a throwaway script.

How a Coding Agent Actually Writes Code

Compare Google Gemini, Claude Code, and OpenAI Codex from a developer's perspective. Learn which AI coding assistant fits your needs and budget.

A developer's honest take on Google Gemini, Claude Code, and OpenAI Codex for programming tasks.

Tag: Developer Tools

Tag: Developer Tools

How a Coding Agent Actually Writes Code

AI Coder Showdown: Gemini vs. Claude vs. Codex