Still programming with traditional methods? Try the free AI programming assistant, OpenCode, with fully localized configuration

OpenCode is the ideal open-source alternative to Claude Code—completely free, supports local models, and eliminates reliance on costly cloud APIs. Developers can finally escape exorbitant token fees while maintaining full data privacy and enjoying a powerful, flexible AI coding experience. Table of Contents Introduction LLM Configuration Docker Deployment: Web UI / CLI Service Terminal CLI & VS Code Plugin Integration Comparison: Web UI vs Terminal CLI Common Issues & Security Recommendations Summary & Best Practices Introduction ✨ Core Features of OpenCode ✅ Fully Open Source — MIT License, 109k+ GitHub Stars ✅ Zero-Cost Model Access — Official free models + support for any local or cloud LLM ✅ Fully Local Execution — Data never leaves your network; meets enterprise security & compliance requirements ✅ Modern Web UI — No command line needed; ready to use out of the box ✅ Broad Compatibility — Works with llama.cpp, Ollama, vLLM, LM Studio,…