
Build, ship, and iterate faster with the most popular open-source AI coding agent.
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Kilo Code Reviewer offers a generous free tier with optional paid upgrades for advanced features.
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The IDE plugins and CLI are free and open-source under Apache-2.0. You pay only for AI model usage through the Kilo gateway at exact provider list prices, or you can bring your own API keys.
Kilo works in VS Code, JetBrains IDEs (IntelliJ, PyCharm, WebStorm), the command line, Slack, and browser-based environments.
Kilo reports that 43% of its users previously used Cursor. Key differences include open-source transparency, no subscription requirement, support for 500+ models, and availability across more platforms beyond just a single IDE.
Kilo offers Ask (Q&A), Architect (planning), Code (generation), Debug (error fixing), Orchestrator (multi-step workflows), and Custom modes — each optimized for different development phases.
Source: kilo.ai