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OpenCode
Open-source terminal AI coder: 129K+ GitHub stars, 75+ LLMs, MIT license.
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OpenCode is an open-source terminal AI coding agent with 129K+ GitHub stars. Supports 75+ LLM providers including local Ollama.
Free under MIT license with vim-like TUI, dual agents (build/plan), and MCP extensibility.
Pros
- Massive Community: 129K+ GitHub stars and 650K+ monthly users signal reliability and active development.
- Fully Free and Open Source: MIT license allows unrestricted use, modification, and self-hosting with zero cost.
- 75+ LLM Providers: Supports OpenAI, Anthropic, Google, Groq, Azure, OpenRouter, and local Ollama models.
- Terminal-Native TUI: Vim-like keybindings and efficient terminal interface built for power users.
- Dual Agent System: Build agent for full edits and plan agent for safe read-only analysis reduces risk.
- MCP Extensibility: Model Context Protocol support plus Python and TypeScript SDKs for custom tool integrations.
Cons
- Terminal Only: No graphical interface makes it inaccessible for developers who prefer GUI editors.
- Vim Keybinding Curve: Non-vim users face a learning curve with the default keybindings.
- Output Varies by Model: Quality depends entirely on which LLM provider and model you configure.
- API Key Configuration Required: Cloud providers need manual key setup before first use.
- Rapid Development Pace: Fast iteration means occasional breaking changes between versions.
Our Verdict
OpenCode is the strongest free open-source AI coding agent for terminal-native developers. With 129K+ GitHub stars and MIT licensing, it offers genuine multi-provider flexibility that proprietary tools cannot match.
Frequently Asked Questions
What is OpenCode?
OpenCode is an open-source terminal AI coding agent for editing and analyzing codebases. It uses a vim-like TUI and supports 75+ LLM providers via two built-in agents: build for full-access development and plan for read-only analysis. Free under MIT license with 129K+ GitHub stars.
How do you install OpenCode?
Install via curl script (curl -fsSL https://opencode.ai/install | bash), npm (npm i -g opencode-ai@latest), Homebrew, Scoop, or Chocolatey. Works on macOS, Linux, and Windows.
Is OpenCode free? What does it cost?
Yes, completely free and open-source under the MIT license. No subscriptions or usage fees. Your only cost is LLM API usage from your chosen provider, or zero if you use local models like Ollama.
What LLM providers does OpenCode support?
Over 75 providers including OpenAI, Anthropic Claude, Google Gemini, AWS Bedrock, Groq, Azure OpenAI, OpenRouter, and Ollama for local models. You can switch between models seamlessly.
What are alternatives to OpenCode?
Claude Code (Anthropic, paid), Cursor (GUI-based, paid), Aider (CLI, simpler scope), Continue.dev (VS Code extension), and Zed with AI plugins. OpenCode excels in terminal breadth and open-source freedom.
Who created OpenCode?
Founded by Jay V and Frank Wang through Anomaly, alongside Dax Raad. Backed by a16z Scout Fund and Spearhead. The founders previously took SST through Y Combinator in 2021.
What is OpenCode?
OpenCode is Open-source terminal AI coder: 129K+ GitHub stars, 75+ LLMs, MIT license.. OpenCode is an open-source terminal AI coding agent with 129K+ GitHub stars. Supports 75+ LLM providers including local Ollama. Free under MIT license with vim-like TUI, dual agents (build/plan), and
Is OpenCode free?
Yes, OpenCode offers a free version.
Who should use OpenCode?
OpenCode is designed for Pro Vibe Builders, CLI Power Users, Open Source Developers, Budget-Conscious Teams, Local LLM Users. Common use cases include AI-assisted coding, Terminal-based development, Code analysis, Multi-LLM workflows.
What are the best alternatives to OpenCode?
Popular alternatives to OpenCode include other tools in the coding assistants category. Browse our coding assistants directory to compare options.
OpenCode
Free tier available