OpenCode

opencode.ai

Open source AI coding agent that helps developers write code across multiple interfaces: terminal, desktop app, and IDE extensions.

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Overview

OpenCode is an open source AI coding agent that helps developers write code across multiple interfaces: terminal, desktop app, and IDE extensions. With over 160,000 GitHub stars and 7.5 million monthly users, it supports 75+ LLM providers including Claude, GPT, and Gemini, plus local models. The tool is built with privacy as a core principle—it doesn't store your code or context data, making it suitable for privacy-sensitive environments.

Key capabilities include multi-session support for parallel agents, shareable session links for debugging, LSP integration, and the ability to work with any LLM provider. Users can leverage existing subscriptions (GitHub Copilot, ChatGPT Plus/Pro) or use OpenCode's curated Zen models that have been tested and optimized specifically for coding tasks.

Key features

  • 75+ LLM provider support
  • Privacy-first architecture
  • Multi-session parallel agents
  • Shareable session links
  • LSP integration
  • Available as terminal, desktop, and IDE extension
  • Plan mode for feature design
  • Undo/redo functionality
  • GitHub Copilot and ChatGPT Plus integration
  • Curated Zen models for coding
Pros
  • Open source with 160K+ GitHub stars
  • No code or context data storage
  • Flexible LLM provider options
  • Multiple interface options (terminal, desktop, IDE)
  • Free models included
  • Active community (900+ contributors)
  • Supports local models
Cons
  • Requires API keys for most LLM providers
  • Windows support recommended via WSL
  • Requires modern terminal emulator
  • Learning curve for optimal usage
Use this if
You need an open source AI coding agent with privacy guarantees, want flexibility in LLM provider choice, or prefer terminal-based development workflows.
Skip this if
You require a fully managed, closed-source solution or need guaranteed enterprise support contracts.

Best for

Writing and refactoring codeAdding new features to projectsUnderstanding codebasesPrivacy-sensitive development environmentsTeams using multiple LLM providersTerminal-first developers

Alternatives

GitHub CopilotCursorCodeiumTabnineAmazon CodeWhisperer

Compare OpenCode alternatives

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