
Codex
OpenAI's coding agent, open source in the terminal
AgentFreemium
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An open-source coding agent for any model

OpenCode is a coding agent for the terminal, with a desktop app and a VS Code extension alongside. It works with over 75 providers, through your own API keys, an existing ChatGPT or Copilot subscription, or local models. Two built-in agents split the work: one only plans and asks first, the other carries it out.
curl -fsSL https://opencode.ai/install | bashWhy it made the cut