An in-depth comparison of Kilo Code and Windsurf across output quality, autonomy, reliability, speed, value, and ease of use. Vote for your favorite.
Pick a winner in each category — you can change your vote anytime.
Choose Kilo Code if you are vS Code users who want an open-source AI coding assistant. Choose Windsurf if you are developers who want an affordable AI editor with agentic capabilities.
In our editorial scoring, Windsurf leads in 3 of six categories (output quality, autonomy and speed), while Kilo Code leads in 1 (value). On price, Kilo Code runs free / pro via standard compute and is open source; Windsurf runs free tier / $15-30/mo and is proprietary.
Give your chosen agent more room to build, test and iterate. Standard Compute stretches your compute through automatic provider selection and smart routing. Plans start at $19/month with $20 in monthly compute. Choose your agent below to connect. Eligible new accounts can try $0.25 of compute with no card.
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Weighing the cost of running it? Compare API plans for Kilo Code
Kilo Code is an open-source VS Code extension that brings powerful AI coding assistance directly into your editor. It supports multi-file editing, intelligent refactoring, and context-aware code generation. Works with any OpenAI-compatible API.
Windsurf (formerly Codeium) is an AI-first code editor featuring Cascade — an agentic flow that can handle multi-file, multi-step coding tasks. It combines the familiarity of VS Code with powerful AI capabilities including code generation, refactoring, and terminal integration.
Kilo Code runs on Standard Compute