CodingAgentsOpen source

OpenCode

opencode.ai ↗

OpenCode in short

What it is: Best for builders who want a free, open-source coding agent that works with whatever model or subscription they already have. Price: Open source. Free and open source, with free models included; you pay any model provider you connect. Optional OpenCode Go model subscription: Go $10/mo, Go Plus $40/mo, Go Teams $20/member/mo. OpenCode Models are pay-as-you-go from a $20 balance. (checked 2026-11-03). Best for: open-source coding agent in the terminal, desktop or IDE; use any model provider, including local models. Watch out: paid model providers you connect bill separately.

Our verdict

Best for builders who want a free, open-source coding agent that works with whatever model or subscription they already have.

Per opencode.ai, OpenCode is MIT-licensed, free to use, ships with free models and connects to most model providers, with an optional low-cost model subscription.

Based on public docs and pricing pages, not hands-on testing. How we check

Strengths

  • Open source under the MIT License and free to use
  • Works with 75+ model providers through Models.dev, including local models, and can sign in with a ChatGPT Plus/Pro or GitHub Copilot account
  • Comes with a set of free models
  • Terminal interface, desktop app and IDE extension

Limitations

  • Paid model providers you connect bill separately
  • On Windows, OpenCode recommends running it under WSL
  • OpenCode 1 and OpenCode 2 share the opencode command and can't be installed side by side by default
  • OpenCode says your data is stored when you use its free models

OpenCode pricing

Free and open source, with free models included; you pay any model provider you connect. Optional OpenCode Go model subscription: Go $10/mo, Go Plus $40/mo, Go Teams $20/member/mo. OpenCode Models are pay-as-you-go from a $20 balance.

From the official pricing page, checked 2026-11-03. Plans change, so confirm before you buy.

Is OpenCode free?

It has an open-source option. Free and open source, with free models included; you pay any model provider you connect. Optional OpenCode Go model subscription: Go $10/mo, Go Plus $40/mo, Go Teams $20/member/mo. OpenCode Models are pay-as-you-go from a $20 balance. (official pricing page, checked 2026-11-03)

Good for

open-source coding agent in the terminal, desktop or IDEuse any model provider, including local modelsrun several agent sessions in parallel on one project

Note: Go plans and limits: https://opencode.ai/go. Pay-as-you-go models: https://opencode.ai/zen. Docs: https://opencode.ai/docs. Source code: https://github.com/anomalyco/opencode

Alternatives in Coding

  • Cursor: A strong default AI code editor for builders who want an agent in their IDE.
  • GitHub Copilot: The low-friction pick if you already use GitHub.
  • Claude Code: A top choice for terminal-comfortable builders who want an autonomous coding agent.
  • Devin (incl. Devin Desktop, formerly Windsurf): Worth a look if you want to hand off whole tasks to autonomous agents.
  • Cline: Best for builders who want an open, model-agnostic agent and control over costs.
  • Aider: A lightweight, free terminal option for developers.
  • Zed: Great if editor speed matters and you want AI built in.
  • OpenAI Codex: A strong pick if you already pay for ChatGPT.
  • Factory (Droid): Worth a look if you want a terminal or desktop coding agent that is not tied to one model vendor.
  • Google Antigravity: Best for developers who want Google's free, agent-first coding app, with Google AI plans when they need more usage.
  • Kiro: Best for developers who want an AI coding agent that plans the work as a spec before it writes code.
  • Firebase Studio: Closed to new users and shutting down March 22, 2027; existing users should migrate to Google AI Studio or Antigravity.
  • CodeRabbit: A good add-on reviewer for AI-generated code.

How to choose among AI coding tools →

Compare OpenCode

OpenCode vs Claude CodeOpenCode vs CursorAll comparisons

Recent OpenCode releases

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FAQ

Is OpenCode free?

It has an open-source option. Free and open source, with free models included; you pay any model provider you connect. Optional OpenCode Go model subscription: Go $10/mo, Go Plus $40/mo, Go Teams $20/member/mo. OpenCode Models are pay-as-you-go from a $20 balance. (official pricing page, checked 2026-11-03)

How much does OpenCode cost?

Free and open source, with free models included; you pay any model provider you connect. Optional OpenCode Go model subscription: Go $10/mo, Go Plus $40/mo, Go Teams $20/member/mo. OpenCode Models are pay-as-you-go from a $20 balance. (from opencode.ai, checked 2026-11-03).

What is OpenCode used for?

Listed use cases: open-source coding agent in the terminal, desktop or IDE; use any model provider, including local models; run several agent sessions in parallel on one project.

What are the best alternatives to OpenCode?

Other AI coding tools in this directory: Cursor, GitHub Copilot, Claude Code, Devin (incl. Devin Desktop, formerly Windsurf). We list them in data order, not ranked.

Did you test OpenCode?

No. Verdicts are based on each vendor's public docs and pricing pages, not hands-on testing, unless a page says otherwise.