The AI-native IDE wars are heating up. For a while, Cursor was the obvious choice if you wanted an editor built around AI coding. Then Codeium shipped Windsurf and claimed the throne for a minute. Now we've got two serious contenders and developers trying to figure out which one to actually use.
I've been switching between both. Here's my take.
What Are We Actually Comparing?
Cursor is a VS Code fork with AI deeply integrated — not as an extension, but as first-class functionality. Tab completions, Cmd+K inline edits, the Composer (now called Agent) for multi-file edits. It uses a mix of frontier models and caches aggressively to keep latency low.
Windsurf is Codeium's full IDE, also VS Code-based, with their "Cascade" agent as the centerpiece. Cascade can take on multi-step tasks autonomously, browse the web, run terminal commands, and edit across multiple files. It's marketed as the more "agentic" of the two.
Day-to-Day Editing
Cursor wins here for most developers. The Tab completion is genuinely magical — it predicts multi-line edits with high accuracy, and the Cmd+K inline edit mode is fast and reliable. The UX has been refined over years of iteration.
Windsurf's editing experience is good but plays second fiddle to Cascade. If you're not using Cascade, you're leaving most of Windsurf's value on the table. The basic completions are solid (it's Codeium under the hood) but don't feel as polished as Cursor's Tab.
The Agentic Story
This is where Windsurf pulls ahead — or at least, where it's making its bet. Cascade is more autonomous than Cursor's Agent. It'll plan a task, execute steps, check its work, and loop back when something fails. For big refactors or implementing features from scratch, Cascade can handle more without needing you to guide it.
Cursor's Agent has caught up significantly in recent updates. It's also now capable of multi-file edits, running tests, and iterating. But in my experience, Cascade still takes on messier tasks with less hand-holding required.
That said, agentic AI is still unreliable enough that I don't trust either to run unsupervised on important code. Both are tools that require oversight.
Performance and Stability
Cursor is more stable. It's older, more battle-tested, and the VS Code base it's built on is rock solid.
Windsurf has had more rough edges in my testing — occasional slowdowns, Cascade sometimes losing track of what it was doing, and the occasional crash. It's improving quickly, but if stability matters to you (and it should), Cursor is the safer choice right now.
Pricing
Cursor: $20/month Pro, includes fast requests to frontier models and unlimited slower requests.
Windsurf: $15/month Pro. Codeium's free tier works in Windsurf for basic completions. Cascade is usage-limited on free.
Who Should Use Which
Cursor is the better default choice. It's more polished, more stable, and the Tab completion is class-leading. If you're a developer who wants AI that enhances how you already work, Cursor nails it.
Windsurf is worth trying if you're excited about agentic workflows and willing to tolerate some rough edges for the payoff of a more autonomous AI. If Cascade's roadmap keeps improving, this could flip.
Both are far better than using Copilot in a regular VS Code window. The fully integrated experience — completions, chat, and agents in one tool — changes how you code in a way that extensions just don't.
The honest answer: try both. They both have free tiers. Your preference will probably come down to whether Tab completion or Cascade resonates more with how you think about writing code.
Cursor or Windsurf person? Or are you still on vanilla VS Code? Let me know.
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