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nano-banana-pro

Convert natural-language prompts into Gemini 3 Pro images with aspect-ratio control.

Updated Apr 10, 2026
Search Tags:#image-generation#prompting#gemini-3-pro#aspect-ratio#cost-tracking#reference-image#branding-visuals
One-click install
npx skills add https://github.com/GavinTPA/ai-powerhouse-starter --skill nano-banana-pro-gavintpa
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: nano-banana-pro
Source: https://github.com/GavinTPA/ai-powerhouse-starter/tree/main/my-skills/nano-banana-pro
Command: npx skills add https://github.com/GavinTPA/ai-powerhouse-starter --skill nano-banana-pro-gavintpa

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Automates the creation of professional visuals by turning natural language prompts into Gemini 3 Pro images, saving time and ensuring brand-consistent visuals.

Core Features & Use Cases

  • Automated image generation from prompts with optional reference image support to maintain character consistency.
  • Aspect-ratio control enables outputs in 1:1, 4:5, 16:9 and other requested formats for hero images, thumbnails, and social graphics.
  • Cost-conscious workflow tracks per-image pricing locally so you can budget for campaigns and content calendars.

Quick Start

Describe the image you want and Nano Banana Pro will generate it using Gemini 3 Pro.

Frequently Asked Questions about nano-banana-pro

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate images with Gemini 3 Pro using natural language prompts?▼

To generate Gemini 3 Pro images, you provide natural-language prompts that the tool processes into native-resolution visuals. It supports optional reference images to maintain character consistency across different generated outputs.

Can I control the aspect ratio of generated images for social media?▼

Yes, you can control the aspect ratio of generated images for social media graphics. The tool supports formats including 1:1, 4:5, and 16:9, allowing you to create appropriately sized hero images and thumbnails.

Do I need a Google API key to use Gemini 3 Pro for image generation?▼

Yes, you need a Google API key configured in your ~/.zshrc environment file to use Gemini 3 Pro for image generation. The tool also includes a test mode to verify API connectivity and readiness before generating visuals.

How does cost tracking work for image generation campaigns?▼

Cost tracking for image generation campaigns works by maintaining a local cost log of per-image pricing. This allows you to monitor expenses and effectively budget for your content calendars and branding visuals.

What are the limitations of using reference images with Gemini 3 Pro?▼

The metadata does not specify explicit limitations of using reference images with Gemini 3 Pro. It only states that reference image support is optional and utilized to help maintain character consistency during prompt-based creation.

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