Cursor
AI-first code editor built on VS Code with deeply integrated AI for coding, debugging, and refactoring across your entire codebase. Features multi-file diff preview, inline edits via Cmd+K, a full codebase chat mode, and terminal command generation. Supports GPT-4, Claude, and local models. Drop-in VS Code replacement—your extensions and settings transfer over. Free and Pro plans available. Best for developers who want the most seamless AI coding experience without switching to a new environment.