# Nano Banana Pro Edit (Gemini 3 Pro Image Edit)

{% columns %}
{% column width="66.66666666666666%" %}
{% hint style="info" %}
This documentation is valid for the following list of our models:

* `google/nano-banana-pro-edit`
* `google/gemini-3-pro-image-preview-edit`
  {% endhint %}

{% hint style="success" %}
Both IDs listed above refer to the same model; we support them for backward compatibility.
{% endhint %}
{% endcolumn %}

{% column width="33.33333333333334%" %} <a href="https://aimlapi.com/app/google/nano-banana-pro-edit" class="button primary">Try in Playground</a>
{% endcolumn %}
{% endcolumns %}

## Model Overview

Google’s smartest image-to-image model as of the November 2025 preview release. The model takes multiple images as input, with the prompt defining how they are used or combined.

## Setup your API Key

If you don’t have an API key for the AI/ML API yet, feel free to use our [Quickstart guide](https://docs.aimlapi.com/quickstart/setting-up).

## API Schema

## POST /v1/images/generations

>

```json
{"openapi":"3.0.0","info":{"title":"AIML API","version":"1.0.0"},"servers":[{"url":"https://api.aimlapi.com"}],"paths":{"/v1/images/generations":{"post":{"operationId":"_v1_images_generations","requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"model":{"type":"string","enum":["google/nano-banana-pro-edit","google/gemini-3-pro-image-preview-edit"]},"prompt":{"type":"string","description":"The text prompt describing the content, style, or composition of the image to be generated."},"image_urls":{"type":"array","items":{"type":"string","format":"uri"},"description":"List of URLs or local Base64 encoded images to edit. Supports up to 14 images."},"aspect_ratio":{"type":"string","enum":["21:9","1:1","4:3","3:2","2:3","5:4","4:5","3:4","16:9","9:16"],"default":"1:1","description":"The aspect ratio of the generated image."},"resolution":{"type":"string","enum":["1K","2K","4K"],"default":"1K","description":"The size of the generated image."},"num_images":{"type":"number","minimum":1,"maximum":4,"default":1,"description":"The number of images to generate."}},"required":["model","prompt","image_urls"],"title":"google/gemini-3-pro-image-preview-edit"}}}},"responses":{"200":{"content":{"application/json":{"schema":{"type":"object","properties":{"data":{"type":"array","nullable":true,"items":{"type":"object","properties":{"url":{"type":"string","nullable":true,"description":"The URL where the file can be downloaded from."},"b64_json":{"type":"string","nullable":true,"description":"The base64-encoded JSON of the generated image."}}},"description":"The list of generated images."},"meta":{"type":"object","nullable":true,"properties":{"usage":{"type":"object","nullable":true,"properties":{"credits_used":{"type":"number","description":"The number of tokens consumed during generation."}},"required":["credits_used"]}},"description":"Additional details about the generation."}}}}}}}}}}}
```

## Quick Example

Generate an image with the specified quality and aspect ratio using two input images and a prompt that defines how the images should be edited.

{% tabs %}
{% tab title="Python" %}
{% code overflow="wrap" %}

```python
import requests
import json

def main():
    response = requests.post(
        "https://api.aimlapi.com/v1/images/generations",
        headers={
            # Insert your AIML API Key instead of <YOUR_AIMLAPI_KEY>:
            "Authorization": "Bearer <YOUR_AIMLAPI_KEY>",
            "Content-Type": "application/json",
        },
        json={
            "model": "google/nano-banana-pro-edit",
            "image_urls": [
                "https://raw.githubusercontent.com/aimlapi/api-docs/main/reference-files/t-rex.png",
                "https://raw.githubusercontent.com/aimlapi/api-docs/main/reference-files/blue-mug.jpg"
            ],
            "prompt": "Combine the images so the T-Rex is wearing a business suit, sitting in a cozy small café, drinking from the mug. Blur the background slightly to create a bokeh effect.",
            "aspect_ratio": "16:9",
            "resolution": "1K"
        }
    )

    data = response.json()
    print(json.dumps(data, indent=2, ensure_ascii=False))

if __name__ == "__main__":
    main()
```

{% endcode %}
{% endtab %}

{% tab title="JS" %}
{% code overflow="wrap" %}

```javascript
async function main() {
    const response = await fetch('https://api.aimlapi.com/v1/images/generations', {
      method: 'POST',
      headers: {
        // Insert your AIML API Key instead of <YOUR_AIMLAPI_KEY>:
        'Authorization': 'Bearer <YOUR_AIMLAPI_KEY>',
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        model: 'google/nano-banana-pro-edit',
        image_urls: [
                'https://raw.githubusercontent.com/aimlapi/api-docs/main/reference-files/t-rex.png',
                'https://raw.githubusercontent.com/aimlapi/api-docs/main/reference-files/blue-mug.jpg'
        ],
        prompt: 'Combine the images so the T-Rex is wearing a business suit, sitting in a cozy small café, drinking from the mug. Blur the background slightly to create a bokeh effect.',
        aspect_ratio: '1:1',
        resolution: '1K'
      }),
    });
}

main();
```

{% endcode %}
{% endtab %}
{% endtabs %}

<details>

<summary>Response</summary>

{% code overflow="wrap" %}

```json5
{
  "description": "",
  "data": [
    {
      "url": "https://cdn.aimlapi.com/flamingo/files/b/koala/qnutcal6jcrPr43jMp_Xg.png",
      "content_type": "image/png",
      "width": null,
      "height": null,
      "file_name": "qnutcal6jcrPr43jMp_Xg.png"
    }
  ],
  "meta": {
    "usage": {
      "tokens_used": 315000
    }
  }
}
```

{% endcode %}

</details>

<table data-full-width="true"><thead><tr><th width="389.7999267578125" valign="top">Reference Images</th><th valign="top">Generated Image</th></tr></thead><tbody><tr><td valign="top"><img src="/files/6e236e7ebcd31b9413cd3f6c32234d804ab123bb" alt="Image #1" data-size="original"></td><td valign="top"><img src="/files/bgOg06s39aAnJacfbgoz" alt="&#x22;Combine the images so the T-Rex is wearing a business suit, sitting in a cozy small café, drinking from the mug. Blur the background slightly to create a bokeh effect.&#x22;" data-size="original"></td></tr><tr><td valign="top"><img src="/files/dfcf25d1606277eb03d4f58bbeae1e942d113040" alt="Image #2" data-size="original"></td><td valign="top"></td></tr></tbody></table>

Here’s an example of the output using alternative `resolution` and `aspect_ratio` parameters:

<figure><img src="/files/ppEWOvXJn6z8CViWD9qK" alt=""><figcaption><p><code>"aspect_ratio": "16:9"</code>, <code>"resolution": "2K"</code></p></figcaption></figure>


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.aimlapi.com/api-references/image-models/google/gemini-3-pro-image-preview-edit.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.