How to Migrate From GitHub Copilot to Windsurf
Most developers who try Windsurf after using Copilot notice the difference in the first hour. Not because autocomplete is dramatically better, but because Cascade, Windsurf's agentic engine, can actually drive changes across multiple files while maintaining awareness of what it's done in the session. Copilot's Edits feature has similar ambitions but feels like a prototype next to Cascade's execution quality.
The other trigger is cost. Copilot Business at $19/seat adds up for larger teams. Windsurf Pro is $15/month, and the free tier is more functional than Copilot's (which has no free option). Teams evaluating AI tools for the first time often end up on Windsurf because they can pilot it without a purchase order.
What's actually different
Both are AI coding tools built on VS Code (or VS Code forks), but the product philosophies diverge sharply.
| Feature | GitHub Copilot | Windsurf |
|---|---|---|
| Inline autocomplete | Yes (strong) | Yes (Windsurf Tab) |
| Chat | Copilot Chat | Windsurf Chat |
| Agentic edits | Copilot Edits (improving) | Cascade Agent (stable, capable) |
| Codebase context | @workspace | Deep indexing |
| GitHub integration | Yes (PRs, issues, Actions) | No |
| Custom rules | .github/copilot-instructions.md | AI Rules (Settings) |
| Free tier | No | Yes (limited flows) |
| IDE support | VS Code plugin + JetBrains | VS Code fork only |
| Pricing | $10-19/month | Free / $15 Pro |
What the table doesn't capture: Cascade maintains a "flow" in your session, a running log of files it read, changes it made, and the reasoning behind each step. You can ask Cascade what it did and why. Copilot Chat doesn't have this kind of continuity across a work session.
The GitHub integration difference is real. Copilot can see your pull requests, issues, and Actions output directly. If you've been using @github in Copilot Chat to ask about CI failures or PR comments, that workflow has no equivalent in Windsurf.
Mapping your existing workflow
Inline suggestions. Copilot's ghost text maps directly to Windsurf Tab. Same interaction: Tab to accept, Escape to dismiss. The quality is comparable for most languages.
Copilot Chat. Windsurf Chat replaces this for code questions and explanations. The interface is similar. Select code, ask questions, get explanations or suggested edits. Windsurf Chat integrates more naturally with Cascade, so you can escalate from "explain this" to "fix this across the repo" without losing context.
/explain, /fix, /tests. Copilot's slash commands don't have direct equivalents in Windsurf Chat, but the same requests work in plain prose. "Explain how this service works" and "write unit tests for this module" work fine.
@workspace. In Copilot, @workspace adds your repository as context. In Windsurf, your codebase is indexed at project open and available to Cascade automatically. You don't need to explicitly invoke it.
.github/copilot-instructions.md. Move your instructions into Windsurf's AI Rules (Settings > AI Rules). The format is similar: plain text or markdown rules the model follows. One difference is Copilot instructions were org-level configurable in GitHub settings; Windsurf's rules are per-editor (can be per-workspace or global).
Copilot for GitHub.com. Copilot integrates with github.com directly, letting you chat with AI about any repo without opening an IDE. Windsurf doesn't have a web interface. This workflow stops.
The actual migration steps
1. Install Windsurf. Download from codeium.com/windsurf. It's a standalone application (VS Code fork), not a plugin. First launch imports your VS Code profile and extensions.
2. Sign in or create a Codeium account. Windsurf uses Codeium accounts. The free tier is available without a credit card.
3. Choose your tier. Windsurf Free limits Cascade "flows" per month. For individual developers who use the agent heavily, Windsurf Pro at $15/month is worth it. For teams coming from Copilot Business, compare $19/seat (Copilot Business) versus $15/seat (Windsurf Pro).
4. Port your instructions. Copy your .github/copilot-instructions.md content into Windsurf's AI Rules. For team rollout, distribute a shared .windsurfrules file in your repository (Windsurf reads this like Cursor's .cursorrules).
5. Index your codebase. Windsurf indexes on project open. For large repos, wait for indexing to complete before using Cascade on project-wide tasks.
6. Learn Cascade's two modes. Windsurf has Chat mode (questions and suggestions) and Agent mode (Cascade executes changes). For the migration, spend a session in Agent mode on a real task. The step-by-step plan Cascade produces before executing is worth reading carefully at first.
7. Plan the JetBrains situation. If any team members use JetBrains IDEs, they can't use Windsurf. They stay on Copilot, switch editors, or use a different tool. Decide this before rolling out to the full team.
8. Run both during transition. Copilot as a VS Code plugin and Windsurf as a standalone app can run side-by-side. Give yourself two weeks of overlap before cancelling Copilot subscriptions.
Team rollout checklist:
- Shared
.windsurfrulesfile in each repository - Team Windsurf plan provisioned
- JetBrains users accommodated
- GitHub integration needs documented (what Copilot was doing that Windsurf won't)
Gotchas you'll hit
No GitHub integration. This is the biggest thing to plan for. If your team used Copilot Chat to discuss PRs, ask about CI failures from @github, or get AI summaries of issues, those workflows break. You'll use GitHub directly for those tasks.
Cascade flow limits. On the free tier, heavy Cascade use exhausts the monthly flow allowance quickly. Teams need to budget for Pro seats or accept reduced agentic use.
Cascade is slower than Copilot Chat. Cascade is doing more work: reading files, planning, executing changes. For quick questions ("what does this function do?"), Copilot Chat was faster. Windsurf Chat is fine for quick questions; Cascade is the tool for changes.
Team coordination takes effort. Copilot Business has centralized admin through GitHub. Windsurf's team management is less mature. Managing seat allocation and monitoring usage is more manual.
No Copilot Workspace equivalent. GitHub's Copilot Workspace (the feature for planning and executing issues from a browser) has no Windsurf equivalent. If your team had started using that, you lose it.
When NOT to switch
Stay with GitHub Copilot if:
- Your team relies on Copilot's GitHub integration for PR reviews, CI debugging, or issue-to-PR flows. This is Copilot's biggest differentiator and Windsurf doesn't touch it.
- You're on JetBrains IDEs. Copilot supports them; Windsurf does not.
- Your organization requires GitHub-native admin for AI tool management (usage reports, seat control, policy enforcement). Copilot Business has this; Windsurf is less enterprise-ready in this respect.
- You need Copilot Workspace or similar GitHub-integrated agentic features.
Windsurf is the right switch when you want a more capable local coding agent, especially one that can execute multi-file changes reliably, and your GitHub integration needs are minimal. The free tier makes it easy to evaluate without commitment, which is an advantage Copilot doesn't offer.
For individual developers, this migration is low-risk: install Windsurf, port your instructions, try Cascade for a week. The cost is lower than Copilot's individual tier, and the agentic capabilities are noticeably stronger. For teams, the GitHub integration gap and the JetBrains question need explicit answers before rolling out at scale.