Gemini 3 Pro Image Generation (Nano Banana Pro)

Comprehensive guide for generating images with Gemini 3 Pro Image (gemini-3-pro-image-preview), also known as Nano Banana Pro. This skill focuses on IMAGE OUTPUT (generating images) - see gemini-3-multimodal for INPUT (analyzing images).

Overview

Gemini 3 Pro Image (Nano Banana Pro 🍌) is Google's image generation model featuring native 4K support, text rendering within images, grounded generation with Google Search, and conversational editing capabilities.

Key Capabilities

• 4K Resolution: Native 4K generation with upscaling to 2K/4K
• Text Rendering: High-quality text within images
• Grounded Generation: Fact-verified images using Google Search
• Conversational Editing: Multi-turn image modification preserving context
• Aspect Ratios: Supports 16:9 and custom ratios at 4K
• Quality Control: Fine-tuned generation parameters

When to Use This Skill