GitHub Copilot is a popular AI pair programmer tool priced $10–39/mo. If you would rather not pay, these 4 alternatives cover the same job for free — several are fully open source and self-hostable. We tested each one and ranked them by how closely they match GitHub Copilot. The top pick is Continue — open source and free forever.
Replace AI pair programmer
GitHub Copilot · $10–39/mo → $0
4 tested replacements, ranked by how well they fill the gap. Still want the original? Read our GitHub Copilot review →
Continue Open source
Same inline completions and chat, any model, open source.
Tabby Open source
Self-host completions on your own GPU — code never leaves the building.
Aider Open source
Terminal-native agent that commits real changes.
Windsurf Free plan
Free AI IDE with agentic flows and generous limits.
How to choose a GitHub Copilot alternative
If you want zero cost and full control, start with the open-source options (Continue, Tabby, Aider) — you can self-host them and own your data. If you would rather not manage servers, the freemium picks give you a working free plan in minutes. Every tool below has a real free tier, so you can try two or three and keep the one that fits.
FAQ
What is the best free alternative to GitHub Copilot?
Our top-ranked free alternative to GitHub Copilot is Continue. Open-source Copilot alternative for VS Code and JetBrains.
Is there an open-source GitHub Copilot alternative?
Yes — Continue, Tabby, Aider are open source, so you can self-host and modify them freely.
Can I really replace GitHub Copilot for free?
Yes. Every alternative on this page has a genuine free plan or is free and open source. Depending on your needs you may trade some polish for zero cost, but for most people the free options are more than enough.
