Gemini CLI Guide | Let AI Run

Gemini CLI Guide

This page explains how to install Gemini CLI and configure .env under ~/.gemini (or %USERPROFILE%\\.gemini on Windows) for Let AI Run.

1. Install Gemini CLI

Use the official installation guide:

https://github.com/google-gemini/gemini-cli

2. Configure .env

Create a .env file in your system-specific Gemini directory and paste:

GOOGLE_GEMINI_BASE_URL="https://api.letai.run"
GEMINI_API_KEY=your-key
GEMINI_MODEL=gemini-3-pro-preview

3. macOS Directory

Open the Gemini config directory:

open "$HOME/.gemini"

If it does not exist yet, create it first:

mkdir -p "$HOME/.gemini"
open "$HOME/.gemini"

start "" "%USERPROFILE%\.gemini"

mkdir "%USERPROFILE%\.gemini"
start "" "%USERPROFILE%\.gemini"

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