Nano Banana 2

High-efficiency image generation with accurate text rendering, Google Search grounding, and resolutions up to 4K.

POST /v2/images/generate — model: "nano-banana-2"

Google's latest high-efficiency image generation model built on Gemini 3.1 Flash Image. Combines Pro-level visual quality with Flash-level speed. Supports accurate text rendering, up to 14 reference images, resolutions up to 4K, and optional Google Search grounding for real-time context.

See Image Generation overview for common request fields, response format, and error codes.

Model-specific parameters

Parameter	Type	Description
`nanoBananaParams.aspect_ratio`	string	`"match_input_image"` or `"W:H"` format (e.g. `"16:9"`)
`nanoBananaParams.output_format`	string	`"jpg"` (default) or `"png"`
`nanoBananaParams.image_input`	string[]	Up to 14 reference image URLs
`nanoBananaParams.resolution`	string	`"512px"`, `"1K"` (default), `"2K"`, or `"4K"`
`nanoBananaParams.google_search`	boolean	Use Google Web Search grounding for real-time information
`nanoBananaParams.image_search`	boolean	Use Google Image Search for visual context

Credit cost

Resolution	Credits
512px / 1K	5
2K	7
4K	10

Code examples

Text-to-image

curl -X POST https://api.apiframe.ai/v2/images/generate \
  -H "X-API-Key: afk_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "a photorealistic cityscape at golden hour",
    "model": "nano-banana-2",
    "nanoBananaParams": {
      "resolution": "2K",
      "output_format": "png"
    }
  }'

import requests

response = requests.post(
    "https://api.apiframe.ai/v2/images/generate",
    headers={
        "X-API-Key": "afk_your_api_key_here",
        "Content-Type": "application/json",
    },
    json={
        "prompt": "a photorealistic cityscape at golden hour",
        "model": "nano-banana-2",
        "nanoBananaParams": {
            "resolution": "2K",
            "output_format": "png",
        },
    },
)
print(response.json())

const response = await fetch("https://api.apiframe.ai/v2/images/generate", {
  method: "POST",
  headers: {
    "X-API-Key": "afk_your_api_key_here",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    prompt: "a photorealistic cityscape at golden hour",
    model: "nano-banana-2",
    nanoBananaParams: {
      resolution: "2K",
      output_format: "png",
    },
  }),
});
console.log(await response.json());

With Google Search grounding

curl -X POST https://api.apiframe.ai/v2/images/generate \
  -H "X-API-Key: afk_your_api_key_here" \
  -H "Content-Type: application/json" \
  -d '{
    "prompt": "infographic of today's weather in Paris",
    "model": "nano-banana-2",
    "nanoBananaParams": {
      "google_search": true,
      "resolution": "1K"
    }
  }'

import requests

response = requests.post(
    "https://api.apiframe.ai/v2/images/generate",
    headers={
        "X-API-Key": "afk_your_api_key_here",
        "Content-Type": "application/json",
    },
    json={
        "prompt": "infographic of today's weather in Paris",
        "model": "nano-banana-2",
        "nanoBananaParams": {
            "google_search": True,
            "resolution": "1K",
        },
    },
)

const response = await fetch("https://api.apiframe.ai/v2/images/generate", {
  method: "POST",
  headers: {
    "X-API-Key": "afk_your_api_key_here",
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    prompt: "infographic of today weather in Paris",
    model: "nano-banana-2",
    nanoBananaParams: {
      google_search: true,
      resolution: "1K",
    },
  }),
});

Try it

POST/v2/images/generateTry it

API Key

Request Body (JSON)