OpenCode

OpenCode is an AI coding assistant and open source terminal-native agent that helps developers write, refactor, and debug code across the terminal, IDE, and desktop, with pricing starting free under the MIT license. It targets developers who want full control over their LLM provider, local model usage, and data privacy without vendor lock-in.

Built as a provider-agnostic alternative to closed-source tools like Claude Code and Cursor, OpenCode integrates directly with major LLM providers including Anthropic Claude, OpenAI GPT, and Google Gemini, and supports dozens more through aggregators like OpenRouter and LiteLLM — as well as local models via Ollama. The agent runs natively in the terminal as a TUI but also offers IDE plugins and a desktop interface, allowing developers to choose their preferred surface. Multi-session support lets engineers run several parallel agents on different branches or tasks simultaneously, while built-in LSP (Language Server Protocol) integration gives the agent the same code-intelligence context that modern IDEs use — improving accuracy on large codebases.

Compared to the dozens of AI coding assistants in our directory of 870+ AI tools, OpenCode stands out by being fully open source (MIT licensed), self-hostable, and free of telemetry by default. This makes it particularly attractive to enterprise teams with compliance requirements, security researchers, and developers who want to use API keys they already pay for rather than a per-seat subscription. The tradeoff is configuration complexity: unlike turnkey tools such as Cursor or GitHub Copilot, OpenCode requires the user to bring their own API keys, manage model routing, and tune agent behavior — which rewards power users but raises the bar for beginners.