OpenCode

Fully open-source terminal/IDE/desktop coding agent, MIT licensed

What OpenCode does

  • Fully open-source terminal/IDE/desktop coding agent, MIT licensed
  • Bring-your-own model across 75+ providers, free models included
  • Parallel agent sessions with shareable session links

OpenCode — straight answers

What is OpenCode?

OpenCode is listed under Terminal & CLI Agents, in the Code & Development category on Flocci AI Tools. Fully open-source terminal/IDE/desktop coding agent, MIT licensed. It is free, with no paid plan attached, and it lives at opencode.ai.

Is OpenCode free?

OpenCode is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 396 entries on Flocci AI Tools with no upgrade path built in.

Can I use OpenCode in a browser, or is there an app?

OpenCode needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on the command line, Mac, Windows, Linux and self-hosting.

What can OpenCode do?

OpenCode does 3 things the catalog singles out: Fully open-source terminal/ide/desktop coding agent, mit licensed; bring-your-own model across 75+ providers, free models included; parallel agent sessions with shareable session links.

What is the best free alternative to OpenCode?

Aider is the closest free alternative: it sits in the same Terminal & CLI Agents sub-category and is free. Cline, Crush and Gemini CLI also start free. The full list is on the alternatives page.

See the full list →

OpenCode alternatives

Compare all alternatives →

Claude Code

Terminal & CLI Agents
  • Terminal-native agent, best on large codebases
  • Top reasoning quality (Opus-class)
  • MCP tools, subagents and hooks
  • Included with Claude paid plans

OpenAI Codex CLI

Terminal & CLI Agents
freemium
  • #1 on Terminal-Bench with GPT-5-series
  • Runs in terminal, IDE or the cloud
  • Sandboxed autonomous edits
  • Included with ChatGPT plans

Gemini CLI

Terminal & CLI Agents
free
  • Open-source terminal agent from Google
  • Huge free daily model quota
  • Built-in tools and MCP support
  • Great value for everyday coding

Aider

Terminal & CLI Agents
free
  • Open-source AI pair programmer in your terminal
  • Git-aware commits and edits
  • Works with any model (bring your key)
  • Free to use

Cline

Terminal & CLI Agents
free
  • Open-source autonomous coding agent for VS Code
  • Plan/Act modes with approvals
  • Bring your own API key or model
  • MCP tool support

Crush

Terminal & CLI Agents
free
  • Terminal coding agent from Charm with LSP-aware context
  • Cross-platform incl. Android/BSD, MCP server support over HTTP/stdio/SSE
  • Agent Skills standard support for extensibility

Head-to-head comparisons