GitHub Copilot is the most widely adopted AI coding assistant, integrating directly into VS Code and other IDEs to provide real-time code completions, function generation, and chat-based programming help — dramatically accelerating developer productivity.

Windsurf is an AI-native code editor developed by Codeium that goes beyond code completion to offer an AI agent called Cascade — capable of understanding your entire codebase, planning multi-file changes, and executing complex engineering tasks autonomously.