Short verdict: GitHub Copilot is the cheapest ($10) and free for students, adding AI to your current editor. Windsurf is a full editor with an agent at $20, plus a free plan with unlimited completions.
Choose GitHub Copilot if
- You want the lowest price for a paid coding assistant.
- You're a student (free through the GitHub Student Pack).
- You work in VS Code or JetBrains and don't want to switch.
Choose Windsurf if
- You want a full editor that carries out multi-file tasks.
- Its free plan with unlimited completions is enough for you.
- You may need a big top tier (Max at $200) for heavy use.
Our advice
Beginners and students should start with Copilot. If you want a full AI editor, compare Windsurf with Cursor too: Cursor vs Windsurf.