Claude Code vs Cursor vs Copilot vs Devin Compared

Claude Code, Cursor, GitHub Copilot and Devin all promise to help with code. They work in quite different ways, and the labels blur. This guide explains the differences in kind, and gives you a fair test to run yourself.

One honest note first. This post does not claim a head to head test with a winner, because none was run for it. Features also change fast, so check each product's current page before you buy.

The real question is not which tool is best. It is how much you want the tool to do alone, and where you want it to run: in an editor or app, in a terminal on your machine, or on a hosted service.

The four tools in one paragraph each

Claude Code is described in Anthropic's docs as an agentic coding tool that reads your codebase, edits files and runs commands. It is available in the terminal, in editor extensions, as a desktop app and on the web. This guide focuses on the terminal version, which works inside the folder you open and asks permission along the way.

Cursor describes itself as a coding agent for building software, and you install it as an app for macOS, Windows or Linux. Its docs describe explaining a codebase, making edits for you to review and working with tools such as GitHub and Slack.

GitHub Copilot is described in GitHub's docs as an AI assistant that suggests code as you type, answers questions about a codebase, reviews changes and works on tasks you assign it. It is built into GitHub, so it works with your repositories, issues and pull requests.

Devin is described in its docs as an autonomous AI software engineer that can write, run and test code, aimed at tasks such as tickets, bug fixes and migrations. Check its docs for where and how it runs.

How they differ

This is a summary of how each is positioned, not a test result. Products overlap, and each adds features often.

The questions that matter more than the logo

1. Where is the work?A folder on your computer, a repository on GitHub, or a team's cloud?
2. Who are you?A developer who lives in an editor, or someone who wants results without learning to code?
3. How much should it do alone?Suggest lines, edit a few files, or take on a whole task?
4. What does it cost?Check plans and usage limits on each site, as they change.
5. What can you undo?Make sure you can review and roll back whatever it changes.

Why Claude Code suits non developers

For someone who is not a developer, the editor based tools can feel like walking into someone else's workshop. You see code and menus you do not need. Claude Code lets you stay in plain language, and its docs include a terminal guide for first time users. You say what you want, it works inside a folder, and it reports back.

That is also why the Halftime lessons use it. The examples are cleaning up a messy computer, building a landing page, and building dashboards from your numbers. You can see a first session here.

If you are already a developer happily using an editor, the answer may be different. Many developers use more than one tool.

Run your own three part test

This is more reliable than any review, including this one. Pick a small real project and give each tool the same three jobs.

1. A changeRename something or change some text across several files.
2. A buildAdd a small, clearly described feature.
3. A fixIntroduce a simple bug and ask the tool to find and fix it.

For each tool, record whether it finished, how many corrections you needed, whether it touched anything it should not have, and how easy it was to review the changes. Check each vendor's site for any trial or free option before you start, as they change.

Mistakes to avoid when choosing

• Choosing from a ranking you cannot check.
• Judging a tool by one lucky or unlucky run. Run each task twice.
• Giving each tool a different task, which makes the results meaningless.
• Skipping the review. Always read what changed before you accept it.

Where to start

If you want AI that works on your own computer in plain language, start with Claude Code and the Mac setup guide. If you want to compare it with other kinds of automation tools, read AI workflow automation for solo founders.

A worked example of the three part test

Say you have a small website folder. The change: update the business phone number on every page. The build: add a simple contact form section to one page. The fix: you break a link on purpose and ask the tool to find it.

For each tool, write down three things in a simple table: did it finish without help, how many times did you have to correct it, and did you understand its explanation of what it changed. A tool that finishes quickly but changes ten files you did not mention may be worse for you than a slower one that stays in its lane.

Cost and limits

Prices, free tiers and usage caps differ and change often. Before a long test, check what each plan includes and whether heavy use runs into a limit. Do not pay for a year before you have run your own test for a week.

Safety with any of them

Whichever you choose, keep your work in a place with history, so you can undo a change you do not like. Do not give any tool passwords or secret keys. Read what it changed before you accept it. And keep a human in charge of anything that goes live.

Questions people ask

Which AI coding tool is best?

It depends on where you work and how much you want it to do. Test them on the same task before choosing.

Is Claude Code better than Cursor?

They overlap more than they used to, and both describe themselves as agents. They differ in interface and workflow, so pick by how you like to work.

Do I need to be a developer to use these?

Not for Claude Code, which works in plain language. Editor based tools suit people comfortable with code.

Do these tools change often?

Yes. Check each product's current features and pricing before you decide.

Next step

See Claude Code set up on screen in Lesson 1.1.

Go deeper with the lesson

This guide gives you the idea. Lesson 1.1, Set up AI to do real work for you takes you through it step by step, in plain words, so you can do it for your own business.