Kilo Code is an open-source AI agent packaged as a Visual Studio Code extension, aimed at the efficiency of day-to-day coding rather than at replacing the developer.
It generates code, automates repetitive tasks, and offers practical suggestions. Because it runs inside VS Code, the work happens in the editor already open rather than in a separate window.
The project is deliberately iterative and community-driven. Kilo Code began as a derivative of Roo Code, which itself came from Cline, so it carries a lineage of successive improvement rather than starting from scratch. Contribution and feedback run through GitHub, Discord and a dedicated blog.
The extension is free to use, with the option to buy additional capacity through Claude 3.7 Sonnet tokens, so usage scales with demand rather than sitting behind a flat gate.
Research basis: This is a source-based directory listing prepared from public product information; it is not represented as a hands-on test. Last updated September 20, 2026. Read our methodology.
Exact feature availability by plan was not specified in the source.
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