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G

Gemini 3 Pro Image

GoogleModel IDgemini-3-pro-image
G

Gemini 3 Pro Image

GoogleModel IDgemini-3-pro-image

Gemini 3 Pro Image, also known as Nano Banana Pro, is Google's professional-grade image generation and editing model designed for complex visual creation, high-fidelity asset production, advanced text rendering, factual visualizations, and precise creative control. It supports multimodal image understanding, advanced reasoning, Google Search grounding, multi-turn editing, reference images, and high-resolution image generation up to 4K.

ModeText / Image → Text / Image
Input price$0.6 / request
Output priceUnknown
Context length65536 tokens

Capabilities & limits

Use cases
Not available
Model capabilities
Not available
Model Brand
Google
Input modality
Text / Image
Output modality
Text / Image
Max output
32768 tokens

Pricing

ProviderBilling typePrice summary
G
Gemini-Balanced
Per call
Input price$0.6per request
Completion price—
Cache read price—
Cache write price—
G
Gemini-Custom
Per call
Input price$0.6per request
Completion price—
Cache read price—
Cache write price—

Integration

Code Example

curl http://127.0.0.1:4179/v1beta/models/gemini-3-pro-image:generateContent \
  -H "Authorization: Bearer <YOUR_API_KEY>" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3-pro-image",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

Replace <YOUR_API_KEY> with the API key generated on your token management page.

Authentication

All requests must include the Authorization: Bearer <TOKEN> header.

Endpoint Path

POST
google-generate-content

Supported Parameters

ParameterTypeDefaultDescription
string1KControls the output image resolution. Supported values: 1K, 2K, and 4K.
string1:1Controls the aspect ratio of the generated image.
array["IMAGE"]Controls whether the response contains image output only or interleaved text and image content.

Rate Limits

RPM

No rate limits configured

RPM = requests per minute.