Kilo Code is an open-source AI coding agent that runs as an extension in VS Code, JetBrains IDEs, and as a standalone CLI. It was forked from Cline and Roo Code in 2024 and now serves 1.5M+ developers, ranking as the most-used open-source coding agent extension.
Kilo's standout feature is Orchestrator mode, which decomposes complex tasks into subtasks and routes them to specialist sub-agents — Architect for planning, Coder for implementation, and Debugger for testing and fixes. It also provides inline autocomplete, browser automation, automated refactoring, and connects to 500+ models across 60+ providers (Anthropic, OpenAI, Google, Mistral, local Ollama, OpenRouter).
Pricing is BYO API key with zero markup — Kilo charges the exact list price of Anthropic, OpenAI, and Google. Optional Kilo Pass credit subscriptions start at $19/mo, with Teams at $15/user/mo. Co-founded by GitLab co-founder Sid Sijbrandij; raised $8M in seed funding (December 2025) led by Cota Capital with participation from General Catalyst, Breakers, Quiet Capital, and Tokyo Black.
Free trial available
Developers and teams who want an open-source coding agent in their existing IDE, with full model freedom and no API markup
Integrate Kilo's open-source coding agent with Respan to add AI-powered code assistance to development workflows. Leverage Kilo's no-markup credit system alongside Respan's orchestration for cost-effective AI coding at scale.
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Last verified: April 29, 2026