Codex

OpenAI's coding agent. You can delegate the task of writing code within ChatGPT.

As OpenAI's coding agent, when you instruct a task within ChatGPT, it writes code in a cloud environment, runs tests, and retrieves the results. It features a delegation method that allows multiple tasks to be assigned at the same time.

It is suitable for developers who want to do other work while leaving tasks such as bug fixing, feature addition, and code review in charge. It is used in the flow of connecting to a GitHub repository and applying it directly to an actual project.

Originally, Codex was the name of the initial code generation model that formed the basis of GitHub Copilot, but it is now being reused as the product name of OpenAI's coding agent.

✅ Strengths

• It is a delegation method that entrusts the entire coding task, so you can save development time
• Multiple tasks can be processed in parallel
• It is good for linking to the GitHub repository and attaching it to the actual project flow

⚠️ Limits

• Often requires a paid subscription for proper use
• Generated code requires human review
• There are many competing tools and the market changes quickly, making selection and learning expensive