Image model · Text to image
Gemini 3 Pro on Klingobanana
Gemini 3 Pro (also known as Nano Banana Pro) is the detail-focused image model in the catalog. It is text-to-image only; use Gemini 3 Pro Edit when you need to work from reference images.
From 5 credits per image
Specs
- Type
- Image · Text to image
- Input
- Text prompt only
- Reference images
- None
- Speed
- Medium
Price per generation
| Option | Cost |
|---|---|
| One image | 5 credits |
Credits come from your plan. See all models to compare image prices.
What Gemini 3 Pro is good at
Gemini 3 Pro, often called Nano Banana Pro, is Google's detail-oriented image model and the premium text-to-image option in the Klingobanana catalog. It is the model to choose when the picture will be seen large or scrutinised: a product page hero, an advert, a cover, a print-quality portrait.
It costs noticeably more per image than the fast tier, and that is the right way to think about it: this is the finishing model, not the drafting model. You settle composition and wording on something cheap, then run the final brief here. It follows long, structured prompts well, so the more specific your art direction, the more of it you get back.
Ideal use cases
- Hero images for sites and ads. Wide, clean compositions where texture and light need to hold up at full width. This is where the extra credits earn their keep.
- Product and packaging mockups. Describe the object, the surface and the lighting setup the way you would brief a photographer, and iterate on the brief.
- Photoreal portraits for later animation. A strong, detailed still gives image-to-video models more to hold on to, so faces stay stable through the clip.
Limits to know about
- It is text-to-image only. For reference photos use Gemini 3 Pro Edit or Nano Banana 2 Edit.
- It is among the pricier image options, so drafting directly on it burns credits quickly.
- Like every image model, exact legible text in small sizes and precise counts of objects can still go wrong; check the result rather than trusting it.
Example prompts for Gemini 3 Pro
Editorial product shot
A frosted glass perfume bottle with a brushed brass cap on a wet black slate slab, single softbox from camera right, tiny water droplets on the glass, deep shadows, 100mm macro lens, shallow depth of field.
Why it works. Brief like a photographer: object, surface, lighting setup, lens. Reflective materials show off the model's detail.
Environmental portrait
Portrait of an elderly ceramicist in her workshop, flour-pale hands on a spinning wheel, north-facing window light, shelves of unglazed pots behind her, 35mm lens, honest and unretouched skin.
Why it works. Naming window direction and "unretouched skin" pushes toward natural texture rather than an airbrushed finish.
Architectural exterior
A concrete and cedar house on a hillside at blue hour, warm interior lights glowing, long exposure feel, wide-angle lens, mist in the valley, a single car in the driveway.
Why it works. Blue hour with warm interiors gives built-in contrast. A single secondary element keeps the scene readable.
Settings and what costs more
- One image costs 5 credits, the highest price among the image models.
- Prompt length and aspect ratio do not change the price, so spend your effort on the prompt rather than on shaving words.
- Use the aspect ratio of the final placement. 16:9 for page headers, 4:5 for portrait feeds, 1:1 for product grids.
- This is the model where long prompts pay off. A structured brief (subject, setting, lens, light, mood) outperforms a single sentence.
- Draft first on FLUX Schnell or Nano Banana 2, then re-run the winning wording here. It saves more credits than any prompt trick.
Compare Gemini 3 Pro with
- Gemini 3 Pro Edit (5 credits per image)Choose it for the same model family for editing and restyling images you already have.
- Nano Banana 2 (3 credits per image)Choose it for a faster, cheaper Gemini-based option for drafts.
- SeedDream v4.5 (1 credits per image)Choose it for a lower-cost alternative with an editorial portrait look.
Our take
Treat Gemini 3 Pro as the final-render model. Draft cheap, then spend credits here once the brief is right.
Use it for
- UGC-style product ads, from script to finished clip.
- Choosing a platform? Klingobanana vs Higgsfield, Klingobanana vs OpenArt.
Related models
Frequently asked questions
Is Gemini 3 Pro the same as Nano Banana Pro?
- Yes, Nano Banana Pro is the common name for Google's Gemini 3 Pro image model. Nano Banana 2 is a separate, faster and cheaper model.
When should I pay for Gemini 3 Pro instead of a cheaper model?
- When the image is the final deliverable and will be viewed large or closely: ads, hero images, covers. For drafts and social posts a cheaper model is usually enough.
Can I edit an existing photo with it?
- Not in this text-to-image mode. Use Gemini 3 Pro Edit to modify an uploaded image while keeping the rest consistent.
How do I call Gemini 3 Pro from the API?
- Use the Klingobanana API with this model id, a prompt and an aspect ratio. The generated image URL is returned when the job completes.
How many credits does Gemini 3 Pro cost?
- One image costs 5 credits on Klingobanana. The price table on this page lists every supported length.
Can I use reference images with Gemini 3 Pro?
- No. It is driven by the text prompt only.
Do I need a subscription?
- Yes. There is no free tier; credits come from a subscription plan or a top-up.
Generate with Gemini 3 Pro
Subscribe, open the studio and pick Gemini 3 Pro from the model list. Credits are only spent when you generate.
Generate with Gemini 3 ProA subscription is required before generating. Plans from €15/month, cancel anytime.