Cline vs Windsurf
Side-by-side comparison of features, pricing, ratings, and alternatives.
Cline is an open-source AI coding agent that performs coordinated multi-file changes with linter-aware fixes, diffs, checkpoints, and one-click undo on every step. It can also execute terminal commands and handle deployment-related tasks directly within the coding session.
Windsurf is an Agentic AI code editor built around Cascade for efficient multi-file edits. It streamlines the coding process, allowing developers to focus on writing high-quality code. With Windsurf, developers can work on multiple files simultaneously, making it easier to manage complex projects.
- Open source with no lock-in on which model provider you use
- Multi-file agentic edits with visible diffs and easy one-click undo
- Wide IDE support beyond just VS Code, including JetBrains, Cursor, and Windsurf
- Large, active open-source community and contributor base
- AI-powered code completion for increased productivity
- Real-time collaboration for seamless team work
- Multi-file edit support for efficient project management
- Clean and readable code with syntax highlighting and formatting
- Requires bringing your own API key, adding setup complexity and separate model costs
- Output quality depends heavily on which underlying model you connect
- No single bundled price includes a managed model, unlike some closed competitors
- Limited customization options for the editor
- Steep learning curve for new users
- Limited support for legacy codebases
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The Verdict
AI-generated from listing dataWindsurf offers a ready‑to‑use, free SaaS editor with built‑in AI and collaboration, while Cline is an open‑source, model‑agnostic agent that needs you to supply your own API keys and manage model costs.
Key differences
- •Windsurf is a cloud/SaaS editor; Cline is a desktop‑app extension that runs inside existing IDEs.
- •Cline requires you to provide your own AI model API key; Windsurf includes AI functionality at no extra cost.
- •Cline supports multiple IDEs (VS Code, JetBrains, Cursor, Windsurf); Windsurf is a standalone editor.
- •Windsurf offers built‑in real‑time collaboration; Cline focuses on agentic multi‑file edits with undo checkpoints.
- •Support for Windsurf is limited to email; Cline has an active open‑source community but no formal support channel.
Pricing & value
Windsurf is completely free SaaS with AI included; Cline is freemium but incurs model costs via your own API keys.
Ease of use / learning curve
Windsurf provides an out‑of‑the‑box editor; Cline requires setup of API keys and integration into an existing IDE.
Features & depth
Cline offers coordinated multi‑file edits, linter‑aware fixes, terminal command execution, and one‑click undo checkpoints.
Integrations & ecosystem
Cline works across VS Code, JetBrains, Cursor, Windsurf and supports multiple model providers; Windsurf is a single editor.
Collaboration
Windsurf includes built‑in real‑time collaboration; Cline does not mention collaborative editing features.
Support
Cline has an active open‑source community; Windsurf only lists email support.
Security & privacy
Cline lets you bring your own API key, giving control over data flow; Windsurf’s cloud SaaS handling is unspecified.
Choose Cline if…
Developers who want model flexibility, IDE‑agnostic agentic edits, and are comfortable configuring their own API keys.
Choose Windsurf if…
Teams needing an instantly usable, collaborative code editor without managing AI keys.
Common questions
Is there any cost to use the AI features?
Windsurf includes AI at no charge; Cline requires you to supply your own API key, incurring model provider fees.
Can I use Cline inside Windsurf?
Yes, Cline lists Windsurf among its supported IDE integrations.
What collaboration capabilities are available?
Windsurf provides built‑in real‑time collaboration; Cline does not specify collaborative editing features.