Which AI should I use? / Claude Code vs Codex vs Cursor for coding

⚖️ Claude Code vs Codex vs Cursor for coding

“Which AI coding tool should I use: Claude Code, Codex or Cursor?”

Short answer: Our pick for coding is Claude Code: it reads your whole project, runs commands and tests, and handles big changes across many files, from your terminal, code editor, desktop app, web or phone. Codex is a strong choice if you already pay for ChatGPT and like handing off tasks that come back as finished changes to review. Cursor is the comfortable pick if you want everything inside one AI-first code editor.

#1 · Our pick

Claude Code

Our #1 for coding: reads the whole project, runs tests, handles large multi-file changes.

Visit Claude Code ↗

OpenAI Codex

Great for handing off well-scoped tasks that come back as reviewable changes; runs in a CLI, editor or the cloud.

Visit OpenAI Codex ↗

Cursor

An AI-first code editor with agents built in; best if you like to work inside an editor.

Visit Cursor ↗

Side by side

	Claude Code	OpenAI Codex	Cursor
Where it runs	Terminal, IDE, desktop app, web, iOS, Android, Slack	CLI, IDE extension, cloud, ChatGPT apps	Its own code editor, plus a CLI
Works on big, many-file changes	Yes, its strength	Yes	Yes
Check on it from your phone	Yes, iOS and Android	Yes, in the ChatGPT app	Check current apps
What you need	A paid Claude plan or Anthropic Console account	A ChatGPT plan or API key	A Cursor account; check current plans

Tips

Ask the tool to explain the project before you let it change anything.
Use git so you can undo any change with one command.
Have it run the tests and show you the result before you accept a change.
Never paste real passwords or API keys into the chat; keep them in environment files.

Try this first prompt

Read this project and explain what it does in 5 plain sentences. Then make a short plan to [describe the change or bug]. List the files you'd touch and the tests you'd run. Don't edit anything yet. Stop after the plan and wait for my OK.

Step-by-step guides

An AI coding agent for your real codebase

I already have code and want an agent that edits, runs and fixes it.

7 tools · 3-step recipe · copy-ready prompt

Turn a bug report into a tested fix

A user reported a bug and I don't know where to start.

4 tools · 3-step recipe · copy-ready prompt

Refactor code safely with an AI agent

This code works but it's a mess, and I'm scared to touch it.

4 tools · 3-step recipe · copy-ready prompt

Keep coding from your phone

An idea or a bug hits when I'm away from my desk.

1 tools · 3-step recipe · copy-ready prompt

Sources

Plans and features change often — check the maker's site. Picks are editorial and never for sale. Not advice.