Gemini CLI brings Gemini into the terminal as an open-source agent. Since June 18, 2026, Google directs free and consumer users to the closed-source Antigravity CLI, while Gemini CLI remains available with paid API and enterprise keys.
Key capabilities
- Gemini 3 models with a 1M-token context.
- File and shell tools and web fetch.
- Google Search grounding.
- MCP support and GEMINI.md context files.
- Non-interactive mode and a GitHub Action.
Who it's for
Gemini CLI is a flexible open-source code generator for terminal-first developers.









