Claude CodeAbout OpenCode
OpenCode is what you reach for when you love Claude Code's terminal-native, agentic workflow but not being tied to a single vendor's models. It's an open-source AI coding agent that runs in your terminal, editor or a desktop app, and it speaks to 75+ LLM providers — so you decide which model writes your code and what you pay.
The design is client/server, which means the same agent can drive a slick terminal UI, an IDE extension or a remote session, and you can bring your own API keys or point it at local models. Nothing about your workflow is locked to one company's cloud.
It's MIT-licensed and moving fast, with a large and active community. For developers who want Claude Code's shape — an agent that reads, edits and runs your project from the command line — without the lock-in, OpenCode is the leading open answer.
What makes it different
Use Anthropic, OpenAI, Google, local models and dozens more — swap the model behind the same agent anytime.
A fast TUI that reads, edits and runs your codebase from the command line, the way Claude Code does.
Drive the same agent from a terminal, an IDE extension or a remote session.
Point it at your own API keys or local models — your code and spend stay under your control.
How to install OpenCode
A hands-on walkthrough of getting OpenCode up and running — follow along and you'll have it self-hosted in one sitting.
TypeScript
Go
Node.jsThe honest read
- Works with 75+ model providers — no vendor lock-in
- Terminal-native, fast and scriptable
- MIT licensed and fully open source
- Bring your own key or run local models
- Very active development and community
- You supply your own API keys (or a local model)
- Terminal-first workflow has a learning curve
- Younger than some commercial rivals
- Output quality depends on the model you plug in
Quick answers
Yes — OpenCode is free and open source under the MIT license. You only pay for whichever LLM provider you connect, or nothing if you run a local model.
OpenCode is open source and provider-agnostic — it works with 75+ LLM providers and you bring your own key — while Claude Code is tied to Anthropic's models and platform.
It supports 75+ providers including Anthropic, OpenAI, Google and local models, so you can choose the right model per task.
Yes — its client/server design drives a terminal TUI, IDE extensions and remote sessions from the same agent.
Yes — you run it yourself and connect your own model providers, so nothing is locked to a hosted cloud.
More open-source picks
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Terminal AI pair programmer that edits your codebase with any model.
Agentic AI coding assistant for VS Code with multi-file edits.
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