Nano Banana Pro

Image generationNewAvailable
by Google DeepMindModel ID: nano-banana-pro

Google's state-of-the-art image generation and editing model (Gemini 3 Pro Image): sharp text rendering, 1K to 4K output.

Price
US$0.18/image
Aspect ratios
1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9
Resolution
1K, 2K, 4K
Input โ†’ output
Text โ†’ Image
Developer
Google DeepMind
Updated
September 24, 2026
01

Playground

Try Nano Banana Pro

Input & output

US$0.18/image
Try Nano Banana Pro
Advanced settings (1)
Output
Your image appears here.

This run

US$0.18 ยท 18 credits

For accounts without a purchase: runs above 2 credits need a top-up.

New here?

10 free credits (US$0.10) when you sign up with Google

Usable 24 hours after sign-up, up to 5 runs per day and at most 2 credits per run. Other sign-in methods start without credits.

02

Examples

Real outputs from the public examples of this model on Replicate, with the prompt and settings that produced them. They were not generated live on this page.
  • Example output 1 from Nano Banana Pro: How engineers see the San Francisco BridgeOpen full size

    Prompt

    How engineers see the San Francisco Bridge

    Settings

    aspect_ratio
    4:3
    resolution
    2K
  • Example output 2 from Nano Banana Pro: A modern minimalist Scandinavian living room with a large window overlooking snowy mountains, warm wood, cozy fireplaceOpen full size

    Prompt

    A modern minimalist Scandinavian living room with a large window overlooking snowy mountains, warm wood, cozy fireplace

    Settings

    aspect_ratio
    16:9
  • Example output 3 from Nano Banana Pro: A business card for 'Marina Chen, Creative Director' at 'Prism Studio', clean modern layout, teal and gold geometric patternOpen full size

    Prompt

    A business card for 'Marina Chen, Creative Director' at 'Prism Studio', clean modern layout, teal and gold geometric pattern

    Settings

    aspect_ratio
    16:9
03

About Nano Banana Pro

TL;DRAs of September 24, 2026

Nano Banana Pro is a model by Google DeepMind in the Image generation category. On Railwail, Nano Banana Pro costs US$0.18 per image. Depending on the settings, the price ranges from US$0.18/image to US$0.36/image. Supported aspect ratios: 1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9 and 21:9.

04

Pricing

Prices in US dollars. Usage is charged from prepaid credits.
resolution: 1KUS$0.18 per image
resolution: 2KDefaultUS$0.18 per image
resolution: 4KUS$0.36 per image
  • 1 credit = US$0.01

Cost calculator

Price calculator

Variant

Total

US$18.00

1,800 credits

Per run

US$0.18 ยท 18 credits

Fixed price per run, known before the run starts.

05

API

Call Nano Banana Pro with your Railwail API key. Use this model ID in the request:
curl https://railwail.com/api/v1/images/generations \
  -H "Authorization: Bearer $RAILWAIL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "nano-banana-pro",
    "prompt": "A lighthouse on a rocky coast at sunset, photorealistic"
  }'
Set your key as RAILWAIL_API_KEYCreate API key
06

Specifications

Model ID
nano-banana-pro
Input
Text
Output
Image
Aspect ratios
1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9
Resolution
1K, 2K, 4K
Billing
Fixed price, known before the run
Catalog entry updated
September 24, 2026

Input parameters

Inputs and settings from the model's input schema. The example in the API section shows which of them the API accepts.

  • promptrequired
    Type: Text
    Default: โ€“
    Allowed values: โ€“
  • resolution
    Type: Choice
    Default: 2K
    Allowed values: 1K, 2K or 4K
  • aspectRatio
    Type: Choice
    Default: 1:1
    Allowed values: 1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9 or 21:9

Tags

  • replicate
  • google
  • text-to-image
07

Use cases

08

Frequently asked questions

What is Nano Banana Pro?

Nano Banana Pro is a model by Google DeepMind in the Image generation category. On Railwail you can call it with an API key through the Railwail API.

How much does Nano Banana Pro cost on Railwail?

On Railwail, Nano Banana Pro costs US$0.18 per image. Depending on the settings, the price ranges from US$0.18/image to US$0.36/image. The price is known before the run starts. Usage is paid from prepaid credits; 1 credit equals US$0.01.

Which settings does Nano Banana Pro support?

According to its input schema, Nano Banana Pro knows these parameters: prompt, resolution (1K, 2K or 4K) and aspectRatio (1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9 or 21:9).

How fast is Nano Banana Pro?

There are not enough measured runs of Nano Banana Pro on Railwail yet to state a run time. It depends on the input, the settings and the load at the provider.

Is Nano Banana Pro better than FLUX 1.1 Pro?

That depends on the task. Nano Banana Pro (Google DeepMind) and FLUX 1.1 Pro (Black Forest Labs) are both models in the Image generation category. The comparison page shows their prices and specifications side by side.

Compare Nano Banana Pro and FLUX 1.1 Pro

How do I use Nano Banana Pro through the API?

Create a Railwail API key and send your request with the model ID nano-banana-pro. Code examples for curl, Python and JavaScript are in the API section of this page.

09

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Use Nano Banana Pro via the API

One API key for every model on Railwail. Usage is charged from prepaid credits, 1 credit = US$0.01.