opencode

AI coding agent, built for the terminal.

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Installation

# YOLO
curl -fsSL https://opencode.ai/install | bash

# Package managers
npm i -g opencode-ai@latest        # or bun/pnpm/yarn
brew install sst/tap/opencode      # macOS
paru -S opencode-bin               # Arch Linux

Note: Remove versions older than 0.1.x before installing

Documentation

For more info on how to configure opencode head over to our docs.

Contributing

For any new features we'd appreciate it if you could open an issue first to discuss what you'd like to implement. We're pretty responsive there and it'll save you from working on something that we don't end up using. No need to do this for simpler fixes.

To run opencode locally you need.

• Bun
• Golang 1.24.x

And run.

$ bun install
$ bun run packages/opencode/src/index.ts

Development Notes

API Client Generation: After making changes to the TypeScript API endpoints in packages/opencode/src/server/server.ts, you need to regenerate the Go client and OpenAPI specification:

$ cd packages/tui
$ go generate ./pkg/client/

This updates the generated Go client code that the TUI uses to communicate with the backend server.

FAQ

How is this different than Claude Code?

It's very similar to Claude Code in terms of capability. Here are the key differences:

• 100% open source
• Not coupled to any provider. Although Anthropic is recommended, opencode can be used with OpenAI, Google or even local models. As models evolve the gaps between them will close and pricing will drop so being provider agnostic is important.
• A focus on TUI. opencode is built by neovim users and the creators of terminal.shop; we are going to push the limits of what's possible in the terminal.
• A client/server architecture. This for example can allow opencode to run on your computer, while you can drive it remotely from a mobile app. Meaning that the TUI frontend is just one of the possible clients.

What about Windows support?

There are some minor problems blocking opencode from working on windows. We are working on on them now. You'll need to use WSL for now.

What's the other repo?

The other confusingly named repo has no relation to this one. You can read the story behind it here.

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