Google

Nano Banana Pro

Nano Banana Pro produces one 1024 × 1024 image.

image

gemini-3-pro-image-preview

Our price

$0.022373

per image

Official

Not available

First request

Available

curl https://api.tokely.me/v1/images/generations \
  -H "Authorization: Bearer $TOKELY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "gemini-3-pro-image-preview",
  "n": 1,
  "prompt": "A quiet coastal village at sunrise."
}'

Set TOKELY_API_KEY to your dashboard key. Requests require a funded Tokely balance. Base URL: https://api.tokely.me/v1.

Capabilities & limits

Provider: Google
API model ID: gemini-3-pro-image-preview
Category: Image
Endpoints: POST /v1/images/generations
Output: Image · synchronous response
Supported input: Prompt, Images
Primary route · square image: $0.022373 per image
Alternate route · square image: $0.15 per image

API reference

Authenticate with Authorization: Bearer YOUR_TOKELY_API_KEY. Use your Tokely base URL and API key.

model: Required string: gemini-3-pro-image-preview
prompt (required): Text, up to 4000 characters
n: Between 1 and 1; whole numbers. Default: 1

Requests are charged to your Tokely balance using the options and rates shown above. Your dashboard records usage.

The response contains the generated image. Save or download the result returned by the API.

400 / 415: Invalid request, parameter, endpoint for this model, or content type.
401 / 403: Invalid, revoked or restricted API key.
402: Insufficient account balance or API key budget.
429: Request limit reached. Retry after the indicated delay.
502 / 503 / 504: Upstream failure, temporary service unavailability or request timeout.

Compare nearby prices

USD for the listed variants with the same billing unit. Generation options can differ; these are not quality benchmarks.
Model	Price	Unit	Variant
Nano Banana ProGoogle · this model	$0.022373	image	Primary route · square image
Seedream 3.0Doubao	$0.029167	image	One bounded generation
Nano BananaGoogle	$0.033334	image	One bounded generation
Nano Banana 2 LiteGoogle	$0.033334	image	One bounded generation
GPT Image 1.5OpenAI	$0.033334	image	One bounded generation

Frequently asked questions

How much does Nano Banana Pro cost?

Primary route · square image: $0.022373 per image. Alternate route · square image: $0.15 per image. Usage is charged to your Tokely balance.

Do I need a separate Google account?

Use your Tokely API key and balance. A separate provider key is not required.

How do I switch to this model?

Set model to gemini-3-pro-image-preview and use /v1/images/generations. Keep your Tokely base URL and API key. Use the parameters listed above for this model.

Playground

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