Updated March 10, 2026
Cody is Sourcegraph's AI coding assistant that understands your entire codebase. It uses Sourcegraph's code graph to provide context-aware code completions, explanations, and refactoring across massive codebases. Cody supports multiple LLM backends and works in VS Code, JetBrains, and the web.
Windsurf (by Codeium) is an AI-powered IDE that combines copilot-style code completion with agentic multi-file editing capabilities. It features Cascade, a deep context engine that understands your codebase and can autonomously plan and execute multi-step coding tasks. Windsurf supports all major programming languages and provides both inline suggestions and chat-based coding assistance.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
Choose Sourcegraph Cody if you wantChoose if you want
Choose Windsurf if you wantChoose if you want
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.