Nano Banana Pro model guide
A guide to Nano Banana Pro on GPT Image Hub, covering Gemini 3 Pro Image use cases, 4K workflows, reference-image handling, text rendering, and when to choose it.
Nano Banana Pro is the premium Gemini image option on GPT Image Hub. Use it for detailed, high-resolution images, complex visual reasoning, branded scenes, product concepts, and outputs where typography or real-world knowledge may matter. It supports up to 14 reference images and 1K, 2K, and 4K tiers in the app.
Visual examples
Visual examples
A detailed editorial perfume concept with controlled typography.
Luxury product ad
A detailed editorial perfume concept with controlled typography.
4K jasmine perfume ad, wet black stone, petals, golden rim light.Campaign system
Hero, close-up, and lifestyle visuals from one reference set.
Create a three-image campaign concept with consistent warm lighting.Complex layout prompt
Structured constraints for comparison graphics and information visuals.
Readable labels, dark SaaS visual language, orange and violet accents.Best use cases
- High-detail product scenes, editorial campaigns, ad concepts, cinematic images, and brand art direction.
- Prompts that include layout, on-image text, factual context, or multi-step visual constraints.
- Final Gemini-based exports where 4K detail matters.
- Reference-driven scenes with a clear style board and multiple product or character references.
Where to be careful
- Very cheap or very fast first-pass brainstorming where Nano Banana is sufficient.
- Simple variants that do not need Pro-level reasoning.
- Workflows that specifically need OpenAI GPT Image 2 behavior or its broader app aspect-ratio list.
Strengths
Premium Gemini image generation and editing path in GPT Image Hub.
Designed for complex image requests that benefit from Gemini 3 Pro reasoning and world knowledge.
Supports 1K, 2K, and 4K tiers in GPT Image Hub.
Allows up to 14 reference images for product boards, character sheets, campaign systems, and brand visual consistency.
Use cases
Premium commercial visuals
Detailed brand scenes, editorial ads, and campaign concepts with strong art direction.
Reasoning-heavy prompts
Requests with layout rules, text, factual context, or multi-step visual constraints.
High-detail final outputs
4K Gemini exports where quality and complexity matter more than raw speed.
Workflow
Define the goal
Tell the model whether the result is an ad, poster, product scene, edit, or UI asset.
Number constraints
Break complex requirements into clear numbered visual rules.
Use references intentionally
Assign each reference a role and ask for consistent light, material, and subject handling.
Prompting guidance
- Give the model the goal first: ad hero, poster, product image, UI asset, or edit.
- Spell out text exactly and keep it short when typography matters.
- Use numbered constraints for complex scenes so details are easier to preserve.
- When using references, define each image's role and ask for consistency across subject, lighting, and material.
Copy-ready prompts
Create a 4K luxury perfume ad for a jasmine fragrance, glass bottle on wet black stone, white petals, golden rim light, clean headline text "NIGHT JASMINE", premium editorial photography.
Use the product references to create a consistent three-image campaign concept: hero image, close-up detail, and lifestyle shot, same warm lighting, same materials, no extra logos.
Generate a detailed infographic-style product comparison image for four AI image models, clean SaaS visual language, readable labels, dark background, orange and violet accents.
Visual examples
Official sources
FAQ
When should I choose Nano Banana Pro?
Choose Nano Banana Pro when the request needs stronger reasoning, high detail, 4K output, multiple references, or more reliable text and layout handling than a fast draft model.
How many reference images can Nano Banana Pro use?
GPT Image Hub currently allows up to 14 reference images for Nano Banana Pro.
Is Nano Banana Pro always better than Nano Banana 2?
Not always. Nano Banana Pro is better for complex final work, while Nano Banana 2 is often the more efficient choice for balanced production drafts.
Use this model
Start from a prompt template or compare models first
Use the generator when you already know the model, or compare all supported models when the prompt needs a different balance of speed, detail, and reference inputs.