Gemini CLI
Google's open-source AI agent that brings Gemini directly into your terminal. Free access to Gemini 2.5 Pro for coding, problem-solving, and task management.
Gemini CLI is Google's open-source AI agent that brings Gemini directly into your terminal. It provides unmatched free access to Gemini 2.5 Pro for coding, content creation, problem-solving, and more.
Key Features
- Terminal-native: Runs directly in your terminal, no IDE required
- Gemini 2.5 Pro: Access Google's most capable model for free with a personal Google account
- Open source: Inspect the code, contribute to development
- MCP support: Connect to external services via Model Context Protocol
- Tool calling: Interact with files, run commands, browse the web
- Multi-turn conversations: Maintain context across interactions
Free Usage Limits
With a personal Google account, you get generous free access to Gemini 2.5 Pro — significantly more than competing tools offer without a paid plan.
Integration with Gemini Code Assist
Gemini CLI shares technology with Gemini Code Assist, providing AI help in both your terminal and VS Code.
Installation
# Install via npm
npm install -g @anthropic-ai/gemini-cli
# Or via Homebrew
brew install gemini-cli
Usage
# Start an interactive session
gemini
# Run a single prompt
gemini "explain this codebase"
# Use with a specific model
gemini --model gemini-2.5-pro "refactor this function"
Compared to Other CLI Agents
| Feature | Gemini CLI | Claude Code | GitHub Copilot CLI | |---------|-----------|-------------|-------------------| | Free tier | Gemini 2.5 Pro | Limited | Limited | | Open source | Yes | No | No | | MCP support | Yes | Yes | No | | Model | Gemini 2.5 Pro | Claude | GPT-4 |