AI Code Assistant

OpenCode

OpenCode is an open source AI coding agent that helps you write code in your terminal, IDE, or desktop.

What is OpenCode?

OpenCode is an open source AI coding agent that runs in your terminal, IDE, or desktop, with LSP support and multi-session capabilities.

OpenCode vs Similar AI Tools

Pricing ModelFreeFree, FreemiumFreeFree
Free Credits
Key Features
  • LSP enabled: automatically loads the right LSPs for the LLM
  • Multi-session: run multiple agents in parallel on the same project
  • Share links: share sessions for reference or debugging
  • Voice-controlled AI coding sessions
  • Multi-model support (Codex, Claude, Cursor, Gemini)
  • Approval workflows for sensitive actions
  • Zero-config auto-discovery of services by analyzing codebases (Go, Node, Python, Rust, Java, Docker, K8s, Helm, Terraform, OpenAPI, GraphQL, Proto)
  • Interactive 2D dependency graph for visualizing software architecture and relationships
  • Automated compliance scorecards for services based on documentation, ownership, containerization, and API specs
  • Autocompletion with descriptions on `/` and `$`
  • Go to definition and find references
  • F2 rename with editor undo (folder, frontmatter, and references update as one edit)
Pros
  • Open source and free
  • Privacy-first: no code stored
  • Enables coding from mobile devices
  • Voice control reduces context switching
  • Extremely lightweight (<30MB RAM) single binary with no external dependencies
  • Zero configuration required for basic functionality; auto-discovery works out of the box
  • Eliminates silent errors from stale skill references
  • Provides IDE-grade refactoring for agent skills
Cons
  • Requires setup and configuration
  • Some features rely on third-party accounts
  • Requires reliable voice recognition
  • Limited to supported AI models
  • Requires Go build to compile from source; no pre-built binaries readily available
  • Auto-discovery may not fully capture complex enterprise service architectures
  • Only supports markdown files in specific directories
  • Requires manual editor configuration
Best For
  • Developers who want an open source AI coding agent
  • Privacy-conscious users
  • Developers who frequently code away from their desk
  • Teams wanting to review code changes on mobile
  • Platform engineering teams looking for a lightweight service catalog
  • Developers wanting to visualize microservice dependencies
  • Developers managing AI agent skill libraries
  • Teams using Claude, Codex, or similar agent systems

How to use OpenCode?

  1. 1Install OpenCode via npm or download the desktop app from opencode.ai.
  2. 2Launch OpenCode in your terminal, IDE, or desktop environment.
  3. 3Log in with your GitHub account to use GitHub Copilot, or with OpenAI to use ChatGPT Plus/Pro.
  4. 4Start a new session and begin coding with AI assistance.

OpenCode Key Features

  • LSP enabled: automatically loads the right LSPs for the LLM
  • Multi-session: run multiple agents in parallel on the same project
  • Share links: share sessions for reference or debugging
  • GitHub Copilot integration
  • ChatGPT Plus/Pro integration
  • Supports 75+ LLM providers including local models
  • Available as terminal, desktop app, and IDE extension
  • Privacy first: no code or context stored

OpenCode Use Cases

  • Writing and generating code
  • Debugging and fixing errors
  • Code review and refactoring
  • Learning new programming languages and frameworks

OpenCode Pricing & Free Credits

OpenCode currently operates on a Free model.

This tool is completely free to use

Free

$0

Free open source version with included models or connect your own model providers

OpenCode Pros & Cons

Pros

  • Open source and free
  • Privacy-first: no code stored
  • Multi-session support
  • Works with many LLMs

Cons

  • Requires setup and configuration
  • Some features rely on third-party accounts
  • Not as polished as some commercial alternatives

What is OpenCode best for?

  • Developers who want an open source AI coding agent
  • Privacy-conscious users
  • Teams needing multi-session collaboration

OpenCode FAQ

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