Best Free AI Coding Agents
Last reviewed
TL;DR
The best free AI coding agents are OpenHands for full autonomy, Cline for an in-editor VS Code agent, and Aider for fast terminal-based pair programming. All three are open-source.
These free AI coding agents go beyond autocomplete — they read your repo, edit multiple files, run tests, and ship changes. All of them are open-source and run against your own model keys, so private code stays under your control.
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Why it's here: The most autonomous: explores the repo, runs tests, and iterates to a finished change.
Developers who want an autonomous coding agent they can run locally against private repositories.
Why it's here: Best in-editor agent — approval-gated autonomy right inside VS Code.
VS Code users who want an approval-gated autonomous agent inside their editor.
Why it's here: Best terminal agent: git-aware edits with auto-commits and low token usage.
Terminal-first developers who want precise, git-aware AI edits with full cost control.
How we picked
- ✓Open-source and free
- ✓Autonomous multi-file edits
- ✓Runs locally for privacy
- ✓Works with any model
Frequently asked questions
What is the best free AI coding agent for private code?
OpenHands, Cline, and Aider are all open-source and run locally with your own API keys, so your codebase is only sent to the model provider you choose — never to a third-party SaaS.