
The world's first agentic AI IDE
Windsurf (formerly Codeium) is an AI-powered IDE featuring Cascade, an agentic AI assistant that understands your entire codebase and can plan multi-step edits, execute terminal commands, and make changes across multiple files autonomously. Built on VS Code's open-source foundation, Windsurf combines familiar editor experience with deep AI integration for a true AI-native development environment.
Agentic AI assistant that plans multi-step edits, calls tools, executes terminal commands, and uses deep repository context.
Fast autocomplete with fill-in-the-middle, multi-line suggestions, and terminal context awareness—unlimited on free tier.
AI that understands your entire project structure, enabling intelligent multi-file edits and proactive debugging.
Remembers your architecture patterns, coding style, and preferences across sessions for personalized assistance.
Save common tasks as reusable markdown commands that Cascade can execute on demand.
Preview web applications inside the editor and deploy directly to Netlify via Cascade tool calls.
Catches errors in real-time and suggests fixes automatically as you code.
Accelerate development with an AI pair programmer that understands your entire codebase and coding style.
Build MVPs faster with Cascade handling boilerplate, multi-file changes, and deployment workflows.
Let Cascade plan and execute complex refactoring across multiple files with full context awareness.
Navigate unfamiliar projects with AI that understands the entire repository structure and can explain patterns.
Best AI IDE for developers who want an autonomous coding agent that handles multi-step tasks independently, with the best free tier in the AI editor market.
Best for developers working with large, complex codebases who want an autonomous AI agent that handles context gathering and multi-file reasoning without manual intervention
Built on VS Code foundation—your themes, keybindings, and extensions work out of the box.

AI coding assistant with 300+ models and autonomous agents