Windsurf is Codeium's flagship agentic IDE that goes beyond autocomplete to provide Cascade — an AI system with full codebase awareness that can plan and execute complex engineering tasks autonomously across multiple files. Cascade understands the entire architecture of a project, can debug failures spanning multiple systems, refactor large codebases intelligently, and implement features end-to-end from a single natural language specification. Developers use Windsurf when they need an AI that can handle the full complexity of real engineering work rather than just predicting the next line of code.