Gemini CLI

Interact w/ Google's Gemini CLI locally. Run queries, get responses, compare outputs.

Prerequisites

Gemini CLI must be installed & configured:

1. •Install: https://github.com/google-gemini/gemini-cli
2. •Auth: Run gemini & sign in w/ Google account
3. •Verify: gemini --version

When to Use

• •User asks to "run/ask/use gemini"
• •Compare Claude vs Gemini responses
• •Get second AI opinion
• •Delegate task to Gemini

Usage

# One-shot query
gemini "Your prompt"

# Specific model
gemini -m gemini-3-pro-preview "prompt"

# JSON output
gemini -o json "prompt"

# YOLO mode (auto-approve)
gemini -y "prompt"

# File analysis
cat file.txt | gemini "Analyze this"

Comparison Workflow

1. •Provide Claude's response first
2. •Run same query via Gemini CLI
3. •Present both for comparison

CLI Options

Best Practices

• •Quote prompts w/ double quotes
• •Use -o json for parsing
• •Pipe files for context
• •Specify model for specific capabilities