AI coding assistant (formerly Codeium) with autocomplete, chat, and Cascade agentic editing. Works as an extension in VS Code, JetBrains, and Vim. Free tier available.
Windsurf started as Codeium, a free AI code completion tool that undercut GitHub Copilot on price. It worked. Millions of developers signed up for unlimited free autocomplete. In late 2024, the company rebranded to Windsurf and shifted toward becoming a full AI IDE competitor, adding chat, an agentic editing system called Cascade, and a standalone editor.
The product's main draw is that it plugs into your existing IDE rather than replacing it. Install the extension in VS Code or JetBrains, and you get autocomplete suggestions, an in-editor chat panel, and Cascade for multi-file edits. Cascade is the differentiator: describe what you want in plain English, and it modifies files across your project. It works well for straightforward refactors and boilerplate generation. For complex architectural changes, it still needs babysitting.
Pricing changed significantly in March 2026. The old system used credits; the new system uses daily and weekly quotas. Pro costs $20/month (up from $15), and the quotas mean heavy users can hit daily limits even on a paid plan. This was controversial. Existing subscribers keep their old pricing, but new users face the quota system. If you're evaluating Windsurf against Cursor at the same $20/month price point, Cursor's unlimited Auto mode currently offers more predictable daily throughput.
The free tier is still useful but no longer unlimited. You get limited daily completions and chat queries. For casual use or evaluation, that's enough. For daily professional use, you'll need Pro.
Autocomplete quality is strong for Python, JavaScript, TypeScript, and Go. Less common languages get weaker suggestions. The chat feature answers questions about your codebase and generates code snippets, though responses can feel less polished than ChatGPT or Claude for complex explanations.
Privacy is a genuine selling point. Windsurf does not train models on your private code, and they hold SOC2 Type 2 certification. Enterprise customers can deploy on-premises for full data isolation.
Compared to GitHub Copilot ($10/month with 300 premium requests), Windsurf costs twice as much at the Pro tier but includes Cascade's agentic editing, which Copilot doesn't match yet. Compared to Cursor ($20/month), Windsurf works inside your existing IDE while Cursor requires switching editors. That's the real tradeoff: convenience of staying in VS Code vs. Cursor's tighter agentic integration.
Bottom line: Windsurf is a solid choice if you want AI coding help inside VS Code or JetBrains without switching editors. The quota-based pricing and recent price hike make it harder to recommend over Cursor or Copilot on pure value, but the IDE extension model and privacy features keep it competitive.
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Describe changes in plain English and Cascade modifies multiple files across your project. Handles refactors, feature additions, and boilerplate generation with awareness of your full codebase.
Use Case:
A developer types 'add error handling to all API endpoints and create a centralized error logger' and Cascade modifies 12 files across the project with consistent error handling patterns.
Runs inside your existing editor as a plugin rather than requiring a separate IDE. Supports VS Code, all JetBrains IDEs (IntelliJ, PyCharm, WebStorm), Vim, and Neovim with consistent features across platforms.
Use Case:
A team where backend developers use IntelliJ and frontend developers use VS Code can standardize on one AI assistant without forcing anyone to switch editors.
Does not train models on user code from private repositories. SOC2 Type 2 certified. Enterprise tier offers on-premises deployment where no code leaves your network.
Use Case:
A fintech company enables Windsurf for their development team knowing proprietary trading algorithms won't be used for model training or leave their infrastructure.
Analyzes your project structure, open files, and recent edits to generate suggestions that match your coding patterns, naming conventions, and architecture decisions.
Use Case:
When writing a new React component, Windsurf suggests props and state patterns consistent with the 40 other components in your project rather than generic React boilerplate.
Free
$20/month
$40/seat/month
$200/month
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Yes. Codeium rebranded to Windsurf in late 2024. The product, team, and technology are the same. The website still uses codeium.com, and older docs reference both names. If you had a Codeium account, it's now a Windsurf account.
As of March 2026, Windsurf uses daily and weekly limits instead of credits. Each plan tier has set quotas for completions, chat queries, and Cascade operations. When you hit a daily limit, you wait until the next day. The Max plan at $200/month has the highest limits for heavy users.
Both cost $20/month for the main paid tier. Windsurf works inside your existing VS Code or JetBrains IDE. Cursor replaces your editor entirely with a forked version of VS Code. If you don't want to switch editors, pick Windsurf. If you want tighter AI integration and unlimited Auto mode, Cursor offers more predictable daily usage.
For occasional use or trying the product, yes. For daily professional development, you'll hit limits quickly. The free tier is best treated as an evaluation period rather than a long-term plan.
No. Windsurf explicitly does not use private repository code for model training. They hold SOC2 Type 2 certification. Enterprise customers can deploy on-premises for complete data isolation.
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