Nano Banana Pro
Google's flagship image model — reasoning-powered, native 4K, the one you reach for when the image has to survive close inspection.
- Vendor
- Released
- Nov 20, 2025
- Max resolution
- 4K native
- Reasoning
- Yes
What Nano Banana Pro is good at
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Reasoning-powered generation
Same underlying Gemini 3 family that powers Google's flagship reasoning model. The image side of it plans the composition before drawing — long prompts with multiple constraints (X here, Y there, label Z, lighting from W) come out more faithful to the brief than they would from a one-shot diffuser.
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Native 4K — actually rendered at 4K
Not upscaled from 1K or 2K. The model renders at 4K natively, which means fine textures (skin pores, fabric weave, foliage detail) are produced at full resolution instead of interpolated. Worth the extra credits for hero shots and print-bound work.
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Strong text rendering and world knowledge
The big improvement over regular Nano Banana — readable in-image text, accurate brand-style typography, and grounded knowledge of real places, products, and people. Not as good as GPT Image 2 at extreme multilingual scripts, but a solid second place and stronger on photographic realism.
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Photorealistic portraits and natural light
Skin tones, eye highlights, and natural-light scenes come out closer to photographic reference than competing models. Where the viral "3D figurine" trend mostly used regular Nano Banana, the editorial-portrait and product-photography use cases land more reliably here.
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Same family as Nano Banana — drop-in upgrade path
Prompts that work on regular Nano Banana usually work on Pro with little tuning. Easy to draft on the cheap fast tier and re-run finals on Pro — multilingual handling and reference-image semantics are inherited from the same Gemini training pipeline.
When to reach for Nano Banana Pro
- +Hero shots, print pieces, anything that will be enlarged or scrutinized.
- +Photographic realism — portraits, products, food, real-world scenes with natural light.
- +Long, multi-constraint prompts where instruction following matters.
- +4K outputs where native rendering actually matters (textures, fine detail).
- −Fast batches where you need 20 variants quickly — regular Nano Banana is 2.5× cheaper and 5× faster.
- −Heavy in-image text or multilingual scripts (CJK, Hindi, Bengali) — GPT Image 2 still leads there.
- −Throwaway draft work where peak quality is overkill.
Credits per generation
| Resolution | Credits |
|---|---|
| 1K | 5 |
| 2K | 5 |
| 4K | 8 |
1 credit ≈ one 1K Nano Banana generation. See pricing for monthly credit bundles.
Nano Banana Pro is Google's nickname for Gemini 3 Pro Image, released November 20, 2025 as the image-generation member of the Gemini 3 family. It inherits the reasoning architecture that powers Google's flagship Gemini 3 Pro text model and applies it to image composition.
It is the right pick when the image will end up as a hero shot, a print piece, or anywhere quality differences are visible. For fast batches or social-post iteration where speed matters more than peak quality, regular Nano Banana stays the better call — same family, ~2.5× cheaper, ~5× faster.
Exposed via Kie as `nano-banana-pro`. At cvy.ai the model costs 5 credits at 1K/2K and 8 credits at 4K — about $0.01 margin per image, the threshold we target for default Pro-tier models.
What's the difference between Nano Banana and Nano Banana Pro?+
Is the 4K output truly 4K or upscaled?+
How does it compare to GPT Image 2?+
Can I use the output commercially?+
How does it compare to Midjourney?+
Compare other AI image models
Use these pages to pick between speed, output quality, text rendering, and prompt-language fit.
Nano Banana
Google's fast everyday image model — the one to reach for when you want a usable result in under five seconds.
GPT Image 2
OpenAI's reasoning-powered image model — the one that finally renders readable text, infographics, slides and multilingual layouts.
Seedream 4.5
ByteDance's flagship image model — the strongest pick for Chinese-language prompts and the only model here that accepts up to 14 reference images at once.
Ready to try Nano Banana Pro?
Open the generator with Nano Banana Pro preselected, or browse community work for inspiration.