How to Install Gemini CLI

This guide explains how to install and use the Gemini CLI through
Node.js.

✅ Requirements

Node.js 18+ installed
npm (comes with Node)
A Google AI Studio API key (Optional)

1. Install the Gemini CLI

`npm install -g @g…


This content originally appeared on DEV Community and was authored by Shashwat Pritish

This guide explains how to install and use the Gemini CLI through
Node.js.

✅ Requirements

  • Node.js 18+ installed
  • npm (comes with Node)
  • A Google AI Studio API key (Optional)

1. Install the Gemini CLI 

`npm install -g @google/generative-ai-cli`

This installs the global gemini command.

2. Authenticate

You can use your api key or your google account
gemini login --api-key YOUR_API_KEY

Or simply:

`gemini login`

Then paste your API key when prompted or select login via account and login into it

3. Test if it Works 

`gemini prompt "Write a short hello world message."`

4. Use Gemini Models

Basic generation 

`gemini generate --model gemini-1.5-flash --input "Explain what LLMs do."`

Streamed output 

`gemini prompt --stream "Tell me an interesting fact about space."`

Provide a text file as input 

`gemini generate --model gemini-1.5-pro --file notes.txt`

5. Update the CLI 

`npm update -g @google/generative-ai-cli`


This content originally appeared on DEV Community and was authored by Shashwat Pritish


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