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OpenAI

2026년 4월 23일

OpenAI Academy

Codex 시작 방법

Codex를 설정하고, 첫 프로젝트를 만들고, 실제 작업을 시작하는 방법에 대한 팁입니다.

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Start by downloading the ChatGPT Codex desktop app and signing in with your ChatGPT account.

Once you open ChatGPT Codex, create your first thread. A thread is like a chat in ChatGPT: a space where you go back and forth with ChatGPT Codex to accomplish a task.

Codex 스레드 이미지

Codex는 왼쪽 사이드바에 프로젝트와 대화 기록을 표시하고, 메인 작업 공간에는 현재 스레드와 Codex와 협업하는 채팅을 보여줍니다.

ChatGPT Codex keeps your projects and conversation history in the left sidebar, while the main workspace shows your current thread and the chat where you collaborate with ChatGPT Codex.

You can create a standalone thread, but most of the time you'll want to work inside a project. A project is connected to a folder on your computer:

Codex 폴더 이미지

Tip: To keep things simple, create a folder on your computer named ChatGPT Codex. Inside that ChatGPT Codex folder, you can have a separate folder for each project.

If you want ChatGPT Codex to work with specific files for a project, just drag them into the folder. If not, you can leave the folder empty and use it as the place where ChatGPT Codex creates new files for that project.

Pick a first task that is simple and useful. For example, you might ask ChatGPT Codex to organize notes, clean up a small dataset, or compare two drafts of a document.

Codex에서의 첫 작업

Start with the default recommended ChatGPT Codex model, and increase reasoning for harder tasks.

If you're working in a project, you may see the term "Work locally" below the input box. This means "ChatGPT Codex can only work in that folder I designated, using the tools that I choose." You'll also see a dropdown menu asking whether you want to change permissions. We recommend sticking with Default permissions in a local environment when you're getting started with ChatGPT Codex. ChatGPT Codex does not automatically get access to everything on your computer.

Full permissions give ChatGPT Codex more room to act, which can be helpful for advanced tasks, but you should only use them when you understand what ChatGPT Codex is doing and you've checked with an admin.

A good first prompt is:

As you get more comfortable, you can give ChatGPT Codex bigger tasks. Start small, review what it does, and build trust one task at a time.

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