I spent two months using Cursor exclusively, then switched to Windsurf for two months. Both are AI-native IDEs built on VS Code. Both promise to make you faster. They take very different approaches, and one is meaningfully better for my workflow.
Cursor: The Power User's Choice
Cursor's strength is its "Composer" mode. You select code, describe a change, and Cursor applies it across multiple files. It understands your codebase through an indexing system that maps file relationships and can reference files you haven't opened.
What impressed me: The tab completion is the best I've used. It doesn't just complete the current line, it predicts the next 3-5 lines based on the context of what you're building. When it's right (about 60% of the time), it feels like magic. When it's wrong, you just keep typing and it recalibrates.
The composer flow: Select a block of code, press Cmd+K, describe what you want. Cursor shows you a diff inline, and you accept or reject. For small, focused changes, this is extremely fast. For multi-file changes, composer mode lets you reference multiple files and apply changes across all of them.
What frustrated me: The inline suggestions can be intrusive. I'm thinking about how to structure a function, and Cursor suggests an entire implementation. Sometimes that's helpful. Often it breaks my concentration. I ended up configuring it to only trigger on explicit request, which somewhat defeats the purpose.
Windsurf: The Flow State Approach
Windsurf (by Codeium) takes a different philosophy. Instead of powerful but interruptive features, it aims for seamless integration. Its "Cascade" feature is a chat panel that stays aware of your recent edits, open files, and cursor position.
What impressed me: Windsurf is quieter. The suggestions feel more natural because they're context-aware in a subtler way. Instead of suggesting entire functions, it suggests the next logical edit based on what you just did. If you renamed a variable in one file, it offers to rename it in related files. If you added a parameter to a function, it offers to update the call sites.
The Cascade flow: The chat panel shows what Windsurf is aware of: your current file, recent changes, related files. You can ask questions or request changes, and Cascade applies them with awareness of your recent work. It feels less like talking to an AI and more like having a pair programmer who's been watching your screen.
What frustrated me: It's less powerful than Cursor for large-scale changes. When I needed to refactor a module that touched 15 files, Cursor's composer handled it better. Windsurf's strength is incremental changes, not sweeping ones.
Head to Head
Tab completion: Cursor wins. Its predictions are more accurate and more ambitious. Windsurf's completions are safer but less impressive.
Multi-file editing: Cursor wins with composer mode. It's purpose-built for cross-file changes. Windsurf handles 2-3 files well but struggles with more.
Context awareness: Windsurf wins. It tracks what you've been doing and offers relevant suggestions without being asked. Cursor requires you to explicitly provide context more often.
Flow disruption: Windsurf wins. Cursor's aggressive suggestions broke my concentration. Windsurf stays out of the way until you need it.
Stability: Windsurf wins. Cursor crashed or froze about once a week for me. Windsurf was rock solid for the entire two months. This matters more than any feature comparison.
Speed: Windsurf feels faster for day-to-day editing. Cursor's indexing can lag on large codebases, and composer mode sometimes takes 5-10 seconds to process multi-file changes.
Who Should Use What
If you do a lot of large refactoring and multi-file changes, Cursor's composer mode is worth the learning curve and occasional instability. Power users who want maximum AI leverage will prefer Cursor.
If you value flow state and want AI that augments your coding without interrupting it, Windsurf is better. It's what I'd recommend to most developers, especially those who found Copilot's suggestions annoying.
My Actual Choice
Neither. I went back to VS Code with Claude Code in the terminal. The IDE-based AI tools are impressive, but I realized I prefer a clean separation between my editor and my AI tool. When I want AI help, I explicitly ask for it in the terminal. When I'm coding, my editor just shows me code.
But if you want an AI IDE, Windsurf is the one I'd recommend for most people. It's more stable, less disruptive, and the context awareness genuinely helps without getting in the way.