OpenCode: A Command Line AI Coding Alternative to Claude Code - Episode 41

OpenCode: A Command Line AI Coding Alternative to Claude Code

Episode 41
Featuring: Jason Hand, Ryan MacLean

Ryan demonstrates OpenCode, an open-source CLI coding tool that serves as an alternative to Claude Code with support for multiple AI models. The discussion covers OpenCode's architecture (Go backend, TypeScript frontend), its ability to access models through various providers (OpenRouter, GitHub Copilot, Google, OpenAI), and unique features like Language Server Provider (LSP) integration for code validation. Key highlights include session sharing through web interface for team collaboration, enterprise-friendly features like logging and observability, and compatibility with MCP servers. The conversation explores the balance between different AI models for various tasks, with GPT-5 showing reduced hallucinations but slower performance compared to Sonnet 4. OpenCode offers cost-conscious alternatives to expensive models while maintaining familiar CLI workflows for developers who prefer command-line interfaces over GUI-based tools.

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Key Takeaways

  • OpenCode is an open-source alternative to Claude Code written in Go (backend) and TypeScript (frontend)
  • Supports multiple AI models through various providers (OpenRouter, GitHub Copilot, Google, OpenAI)
  • Includes Language Server Providers (LSPs) for code validation and linting
  • Features session sharing capabilities through web interface
  • Has enterprise-friendly features like logging, observability, and self-hosting options
  • Compatible with MCP servers and can be integrated into IDEs

Resources

OpenCode

The AI coding agent built for the terminal

OpenRouter

Platform for accessing multiple AI models

GitHub Copilot

AI-powered code completion and model hosting

Model Context Protocol (MCP)

Protocol for connecting AI assistants with external data sources

Language Server Protocol

Protocol for providing language features in editors

Claude Code Documentation

Official Claude Code documentation for comparison