Terminal AI coding agent

opencode

by opencode (SST) Last reviewed June 2026

opencode is an open-source AI coding agent that runs in your terminal. Pair it with any model, build features across multiple files, and keep your whole workflow in the terminal instead of switching into a managed IDE.

Best for

  • Terminal-first developers who live in the shell
  • Multi-file refactors and feature work
  • Users who prefer open-source, BYO-model workflows

Not best for

  • Visual editing or live previews
  • Users who want a fully managed cloud experience

Quick facts

Vendor
opencode (SST)
Category
Terminal AI coding agent
Platforms
macOS, Linux, Windows
Integrations
Terminal, OpenRouter, Any OpenAI-compatible API
Pricing
Free and open source. You pay the underlying model provider for usage, billed through whichever API key you configure.

In Depth: opencode

Key features

  • Works with any model via OpenRouter or other providers
  • Multi-file edits and codebase-wide changes
  • Runs in your terminal, no IDE lock-in
  • Open source and inspectable

Pricing and access

Free and open source. You pay the underlying model provider for usage, billed through whichever API key you configure.

Pricing changes often. We update this writeup as vendor pages change. Always confirm the latest on https://opencode.ai before committing.