How to Install Gemini CLI: A Complete Setup Guide
Google's Gemini CLI brings the power of Gemini AI models directly into your terminal, letting developers interact with Google's AI capabilities, run prompts, automate workflows, and integrate AI into scripts — without leaving the command line. If you're setting up Gemini CLI for the first time, the process is straightforward, but a few variables in your environment can meaningfully change how the installation plays out.
What Is Gemini CLI?
Gemini CLI is a command-line interface tool that allows developers to interact with Google's Gemini AI models from a terminal or shell environment. Rather than navigating a web UI, you can run prompts, pass files, chain commands, and build AI-assisted workflows directly in your development environment.
It's particularly useful for web developers, data engineers, and automation-focused users who prefer script-level control over AI interactions. Think of it as the developer-native alternative to using the Gemini web interface.
Prerequisites Before You Install 🖥️
Before running any install command, confirm your environment meets a few baseline requirements:
- Node.js (version 18 or higher is generally required — check the official repo for the current minimum)
- npm or another package manager like yarn or pnpm
- A Google account with access to the Gemini API
- A valid Gemini API key from Google AI Studio
If you're unsure which version of Node.js is running on your machine, open a terminal and run: