Cline
A free, open-source AI coding agent that runs in VS Code and other editors, plans tasks, edits files and runs commands with your approval.
What is Cline?
Cline is an open-source agent that lives in your code editor. You describe a task, it plans the work, reads and edits files, runs terminal commands and can use a browser, asking for approval at each step.
You connect it to the AI models of your choice, which gives you control over cost and privacy. The extension is free, but model usage is billed by the provider.
Key features
How to get started
- Install the Cline extension in VS Code.
- Add an API key for a model provider.
- Give it a small task in plan mode first.
The leading open-source agent for developers who want full control.
Best for
- Developers who want control
- Using your own model keys
- Open-source fans
Strengths
- Open source and free
- Works with many model providers
Limits
- You pay for model usage
- Needs careful approval of actions
Questions
Is Cline free?
Yes. Cline is free to use.
What is Cline best for?
Cline is best for: Developers who want control, Using your own model keys, and Open-source fans.
What are the best alternatives to Cline?
Popular alternatives in Coding & App Builders include GitHub Copilot, Cursor, Replit, Lovable, and Bolt.new.
Pricing and features change often. Confirm details on the official Cline website.