Nano Banana Pro

Nano Banana Pro is Google DeepMind's flagship image generation and editing model, accessed through Hanzo Studio's API nodes. Internally it is the Gemini 3 Pro Image model, designed for production-ready high-fidelity visuals.

Model Variants

Nano Banana Pro (Gemini 3 Pro Image)

State-of-the-art reasoning-powered image generation
Supports up to 14 reference image inputs
Native 4K output resolution (up to 4096x4096)
Complex multi-turn image generation and editing
Model ID: gemini-3-pro-image-preview

Gemini 2.5 Flash Image (Nano Banana)

Cost-effective alternative optimized for speed
Balanced price-to-performance for interactive workflows
Character consistency and prompt-based editing
Model ID: gemini-2.5-flash-image

Key Features

World knowledge: Generates accurate real-world images using Google Search's knowledge base
Text rendering: Clean text generation with detection and translation across 10 languages
Multi-image fusion: Blend up to 14 input images into a single coherent output
Studio controls: Adjust angles, focus, color grading in generated images
Character consistency: Maintain subject identity across multiple generations
Prompt-based editing: Targeted transformations via natural language instructions

Hardware Requirements

No local GPU required — runs as a cloud API service
Accessed via Hanzo Studio API nodes (requires Hanzo Studio login and network access)
Available on Comfy Cloud or local Hanzo Studio with API node support

Common Use Cases

High-fidelity text-to-image generation
Multi-reference style transfer and image blending
Product visualization and mockups
Sketch-to-image and blueprint-to-3D visualization
Text rendering and translation in images
Iterative prompt-based image editing

Key Parameters

prompt: Text description of desired image or edit
aspect_ratio: Supported ratios include 1:1, 3:2, 4:3, 9:16, 16:9, 21:9
temperature: 0.0-2.0 (default 1.0)
topP: 0.0-1.0 (default 0.95)
max_output_tokens: Up to 32,768 tokens per response
input images: Up to 14 reference images per prompt

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