Nano Banana Pro
A Google image model for reference-heavy edits, structured compositions, typography, relighting, outpainting, and 4K output.
Key facts
| Developer | |
|---|---|
| Official model ID | gemini-3-pro-image |
| Released | 2025-11-20 |
| Availability on Banana Pie | Available now |
| Credits from | 80 credits / image |
| Reference images | Up to 8 |
Nano Banana Pro is a practical choice when an image job combines several references with layout, text, relighting, outpainting, or scene-change requirements. Its 4K ceiling and support for up to 8 references favor deliberate production work, while the measured selections suggest it is less suited to rapid, low-cost experimentation.
Strengths
- Multi-reference capacity
Support for up to 8 references gives creators room to supply several identities, garments, products, or visual constraints in one workflow.
- Broad editing coverage
The published suite covers object binding, garment transfer, product-preserving scene changes, relighting, outpainting, and text replacement.
- Structured composition focus
The evaluation includes advertising composition and structured UI graphics, making layout-driven image tasks a relevant use case to test.
- 4K output
A maximum resolution of 4K supports deliverables that need more output detail than an exploratory draft.
Limitations
- Text still needs review
Published selections cover multilingual typography and text replacement, but the evidence does not provide an accuracy score or guarantee error-free lettering.
- Measured runs take time
The recorded selections took between 39.2s and 67.9s, so it may not suit workflows where short iteration time is the main priority.
- No comparative ranking
The evidence lists one selected run per scenario and does not include direct comparisons with other models.
- Higher-cost exploration
Starting at 80 credits, it may be excessive for drafts that do not need multiple references, structured edits, or 4K output.
Choose Nano Banana Pro when
- You need to coordinate several source images, with support for up to 8 references.
- You are editing an existing concept through relighting, outpainting, text replacement, or a scene change.
- Your image depends on structured composition, such as an advertisement or UI-style graphic.
- You need output up to 4K and can justify a starting cost of 80 credits.
Consider an alternative when
- You need the lowest-credit option for rough ideation.
- You need very short iteration times; published selections range from 39.2s to 67.9s.
- Your workflow requires guaranteed spelling or typography accuracy without review.
- You need comparative evidence proving it outperforms another model.
Real-world results
Same fixed prompts we run on every model - one run each, published exactly as generated.
Prompt
A premium product photograph of exactly one transparent rectangular perfume bottle, half filled with amber liquid, standing upright on wet black stone. Light comes from the upper left, creating coherent refraction, a contact shadow, and one subtle reflection. No text, logo, plants, or extra objects.
Settings
- Resolution: 1K
- Aspect Ratio: 1:1
Prompt
Design a clean cream-colored vertical event poster. Show exactly four centered text lines and no other text: "MOONLIGHT MARKET", "月光市集", "18 OCT", and "RIVER HALL". Render "月光市集" in red and all other lines in black.
Settings
- Resolution: 1K
- Aspect Ratio: 2:3
Prompt
A photorealistic close-up of an adult potter shaping a clay bowl on a spinning wheel. Both hands are fully visible, each with five natural fingers touching the clay. No other people or hands. Soft window light.
Settings
- Resolution: 1K
- Aspect Ratio: 3:4
Prompt
On a matte gray table, exactly three red wooden cubes form a row on the left, exactly two blue glass spheres sit on the right, and one yellow ceramic mug stands centered behind them. The mug handle points right. No other objects or text.
Settings
- Resolution: 1K
- Aspect Ratio: 4:3
Prompt
Create a vertical social ad for a fictional running shoe named AERO. Keep the top 15 percent empty. Directly below it, place the headline "RUN LIGHT" in the upper-left. Show exactly one silver shoe in the lower-right, an orange trail curving from the bottom-left, and a round badge reading "42 KM". No other shoes or text.
Settings
- Resolution: 1K
- Aspect Ratio: 9:16
Prompt
Create a clean horizontal pricing comparison graphic titled "CHOOSE YOUR PLAN". Use exactly three equal columns labeled "STARTER", "PRO", and "TEAM". Under each column, show exactly three aligned rows labeled "PROJECTS", "STORAGE", and "SUPPORT", followed by one blue button labeled "SELECT". White background, dark navy text, no additional columns or text.
Settings
- Resolution: 1K
- Aspect Ratio: 16:9
Reference images
Prompt
Use Reference 1 as the base tabletop scene. Replace the red mug with the exact dark navy-blue mug from Reference 2 in the same position and orientation. Replace the folded white towel with the exact green-and-white striped napkin from Reference 3 in the same folded area. Replace the green pear with exactly one orange from Reference 4 in the same position. Replace the blue notebook with the exact mustard-yellow hardcover notebook from Reference 5 in the same position. Add exactly the two lemons from Reference 6 to the right of the mug. Preserve the wooden table, camera, framing, wood grain, lighting, shadows, and all other spatial relationships from Reference 1. Do not copy the white product backgrounds from References 2–6, duplicate any asset, or add other objects.
Settings
- Resolution: 1K
- Aspect Ratio: 4:3
Reference images
Prompt
Replace only the sign text with exactly "NIGHT OWL". Preserve the original font style, spacing, perspective, sign material, lighting, and everything else.
Settings
- Resolution: 1K
- Aspect Ratio: 3:2
Reference images
Prompt
Use the portrait in Reference 1 for the person and the isolated jacket in Reference 2 for the garment. Dress the person from Reference 1 in the exact jacket shown in Reference 2. Preserve the person's identity, face, expression, skin, hair, hands, pose, body proportions, background, framing, and lighting from Reference 1. Preserve the jacket's material, color, collar, buttons, pockets, and sleeve patch from Reference 2. Do not copy the ghost mannequin or white product background.
Settings
- Resolution: 1K
- Aspect Ratio: 3:4
Reference images
Prompt
Change the lighting to warm golden-hour sunlight entering from the left window. Do not move, add, remove, or redesign any object. Update highlights and shadows coherently.
Settings
- Resolution: 1K
- Aspect Ratio: 16:9
Reference images
Prompt
Expand the canvas to a 16:9 landscape by naturally continuing the beach, ocean, and sky on both sides. Keep the complete original image centered without cropping, stretching, letterboxing, or modifying it.
Settings
- Resolution: 1K
- Aspect Ratio: 16:9
Reference images
Prompt
Place the sneaker on a wet outdoor basketball court at dusk. Preserve the exact sneaker shape, black geometric side mark, materials, stitching, sole geometry, and camera angle. Add physically coherent contact, reflections, and dusk lighting.
Settings
- Resolution: 1K
- Aspect Ratio: 1:1
Credits & pricing
Nano Banana Pro starts at 80 credits. In practice, that is the minimum charge shown for a generation; check the studio settings before running because the listed fact does not specify how other options affect the final cost.
Frequently asked questions
How many credits does Nano Banana Pro use?
Nano Banana Pro starts at 80 credits per generation in Banana Pie. The final credit requirement may depend on the generation settings shown in the studio.
How many reference images can I use?
You can provide up to 8 reference images, making it suitable for workflows involving several products, identities, garments, or scene elements.
Can Nano Banana Pro generate 4K images?
The listed maximum output resolution is 4K.
Is it suitable for images with text?
The evaluation suite includes multilingual typography, structured UI graphics, advertising composition, and in-image text replacement. The published evidence records selected outputs and runtimes, but does not establish guaranteed text accuracy.
What kinds of editing workflows does it cover?
The evaluation covers multi-reference identity and garment transfer, product preservation across scene changes, relighting, outpainting, and object binding. Use references when preserving specific visual elements matters, then inspect the result before production use.
Related comparisons
How we test & disclosure
Conclusions are based on a fixed prompt suite and its published selections across product lighting, typography, anatomy, counting, advertising, UI graphics, reference binding, text replacement, garment transfer, relighting, outpainting, and product-preserving scene changes.
Banana Pie sells paid access to this model alongside other models in one studio. Our verdicts come from tests run through the same pipeline our users get.