Kilo Code

Quick Verdict

Kilo Code is an open-source AI coding agent that runs across VS Code, JetBrains, the command line, and the cloud. Its two standout traits are that it’s genuinely open source (Apache-2.0) and that it supports a large number of AI models — so you’re not locked into one provider. It’s aimed at developers who want a flexible, multi-model agent they can inspect and control.

What Kilo Code Is Best For

• Developers wanting a flexible coding agent
• VS Code and JetBrains users — works as an IDE extension
• Multi-model coding — connect many different AI models
• Open-source workflows — inspect and modify the agent itself
• Agentic engineering — planning, coding, and debugging modes

How Kilo Code Works

Kilo Code installs into your IDE (or runs via CLI and cloud) and acts as an agent that can generate code from natural language, automate tasks, run terminal commands, and refactor code. It offers modes for planning, coding, and debugging, and connects to a wide range of AI models so you can pick the right one per task. Because it’s open source, the behavior is transparent and customizable.

Getting Better Results

Choose models per task. Use stronger models for planning and review, faster ones for routine edits.

Use the modes. Separating planning from execution tends to produce cleaner results.

Review changes. Read what the agent proposes before applying — open source doesn’t mean automatically correct.

Honest Limitations

• Developer-oriented — more technical than beginner coding tools
• Setup required — installing, configuring, and connecting model access takes effort
• Output needs review — AI-generated code still requires verification

Alternatives Worth Knowing

• Cline — open-source VS Code coding agent
• Claude Code — terminal-based agent from Anthropic
• Codex — OpenAI’s cloud coding agent
• Cursor — AI-native code editor
• Aider — open-source command-line coding agent