The open source AI coding agent

Free models included or connect any model from any provider,

What is OpenCode?

OpenCode is an open source agent that helps you write code in your terminal, IDE, or desktop.

• LSP enabled: Automatically loads the right LSPs for the LLM
• Multi-session: Start multiple agents in parallel on the same project
• Share links: Share a link to any session for reference or to debug
• GitHub Copilot: Log in with GitHub to use your Copilot account
• ChatGPT Plus/Pro: Log in with OpenAI to use your ChatGPT Plus or Pro account
• Any model: 75+ LLM providers through Models.dev, including local models
• Any editor: Available as a terminal interface, desktop app, and IDE extension

The open source AI coding agent

With over 120,000 GitHub stars, 800 contributors, and over 10,000 commits, OpenCode is used and trusted by over 5M developers every month.

120K GitHub Stars 800 Contributors 5M Monthly Devs

FAQ

Access reliable optimized models for coding agents

Zen gives you access to a handpicked set of AI models that OpenCode has tested and benchmarked specifically for coding agents. No need to worry about inconsistent performance and quality across providers, use validated models that work.

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