Nano Banana 2.1

Text-to-Image • Google

google/nano-banana-2.1

  • Third-party

Google's Nano Banana 2.1 image generation and editing model, optimized for a balance of quality and performance.

Model Info
Context Window ↗ 131,072 tokens
Terms and License link ↗
More information link ↗
Pricing <ul><li>Input text (per 1M tokens)$1.50</li><li>Input image (per 1M tokens)$1.50</li><li>Output text (per 1M tokens)$7.50</li><li>Reasoning (per 1M tokens)$7.50</li><li>Output image (per 1M tokens)$30.00</li></ul>

Usage

const response = await env.AI.run(
  'google/nano-banana-2.1',
  {
    prompt:
      'A cinematic landscape of a misty mountain valley at sunrise, with warm golden light and dramatic clouds',
    aspect_ratio: '16:9',
  },
)
console.log(response)

curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \
  --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
  --header "Content-Type: application/json" \
  --data '{
  "model": "google/nano-banana-2.1",
  "input": {
    "prompt": "A cinematic landscape of a misty mountain valley at sunrise, with warm golden light and dramatic clouds",
    "aspect_ratio": "16:9"
  }
}'

Cinematic Landscape

{
  "state": "Completed",
  "result": {
    "image": "https://examples.aig.cloudflare.com/google/nano-banana-2.1/cinematic-landscape.png"
  }
}

Examples

<details>

<summary>Watercolor Edit — Edit an image with a text prompt</summary>

const response = await env.AI.run(
  'google/nano-banana-2.1',
  {
    prompt: 'Turn the scene into a watercolor illustration with soft pastel colors',
    image_input: ['https://storage.googleapis.com/cloud-samples-data/generative-ai/image/scones.jpg'],
    aspect_ratio: 'match_input_image',
    output_format: 'png',
  },
)
console.log(response)

curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \
  --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
  --header "Content-Type: application/json" \
  --data '{
  "model": "google/nano-banana-2.1",
  "input": {
    "prompt": "Turn the scene into a watercolor illustration with soft pastel colors",
    "image_input": [
      "https://storage.googleapis.com/cloud-samples-data/generative-ai/image/scones.jpg"
    ],
    "aspect_ratio": "match_input_image",
    "output_format": "png"
  }
}'

Watercolor Edit

{
  "state": "Completed",
  "result": {
    "image": "https://examples.aig.cloudflare.com/google/nano-banana-2.1/watercolor-edit.png"
  }
}

</details>

<details>

<summary>Grounded Travel Poster — Create a search-grounded travel poster</summary>

const response = await env.AI.run(
  'google/nano-banana-2.1',
  {
    prompt:
      'A stylish vintage travel poster celebrating the latest landmarks and cultural highlights of Tokyo, with bold Japanese-inspired typography, Mount Fuji in the distance, and a warm limited-color print palette',
    aspect_ratio: '2:3',
    google_search: true,
    output_format: 'jpg',
  },
)
console.log(response)

curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \
  --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
  --header "Content-Type: application/json" \
  --data '{
  "model": "google/nano-banana-2.1",
  "input": {
    "prompt": "A stylish vintage travel poster celebrating the latest landmarks and cultural highlights of Tokyo, with bold Japanese-inspired typography, Mount Fuji in the distance, and a warm limited-color print palette",
    "aspect_ratio": "2:3",
    "google_search": true,
    "output_format": "jpg"
  }
}'

Grounded Travel Poster

{
  "state": "Completed",
  "result": {
    "image": "https://examples.aig.cloudflare.com/google/nano-banana-2.1/grounded-travel-poster.jpg"
  }
}

</details>

<details>

<summary>Editorial Product Campaign — Create a polished product campaign image from a reference</summary>

const response = await env.AI.run(
  'google/nano-banana-2.1',
  {
    prompt:
      'Transform this product photo into a premium editorial campaign image on a sculptural stone pedestal, with soft studio lighting, deep emerald accents, realistic shadows, and a clean luxury magazine aesthetic',
    image_input: [
      'https://storage.googleapis.com/cloud-samples-data/generative-ai/image/320px-Felis_catus-cat_on_snow.jpg',
    ],
    aspect_ratio: '4:5',
    output_format: 'jpg',
    resolution: '2K',
  },
)
console.log(response)

curl https://api.cloudflare.com/client/v4/accounts/$CLOUDFLARE_ACCOUNT_ID/ai/run \
  --header "Authorization: Bearer $CLOUDFLARE_API_TOKEN" \
  --header "Content-Type: application/json" \
  --data '{
  "model": "google/nano-banana-2.1",
  "input": {
    "prompt": "Transform this product photo into a premium editorial campaign image on a sculptural stone pedestal, with soft studio lighting, deep emerald accents, realistic shadows, and a clean luxury magazine aesthetic",
    "image_input": [
      "https://storage.googleapis.com/cloud-samples-data/generative-ai/image/320px-Felis_catus-cat_on_snow.jpg"
    ],
    "aspect_ratio": "4:5",
    "output_format": "jpg",
    "resolution": "2K"
  }
}'

Editorial Product Campaign

{
  "state": "Completed",
  "result": {
    "image": "https://examples.aig.cloudflare.com/google/nano-banana-2.1/editorial-product-campaign.jpg"
  }
}

</details>

Parameters

prompt

stringrequired

▶image_input[]

arraymaxItems: 3

aspect_ratio

stringenum: match_input_image, 1:1, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4, 9:16, 16:9, 21:9

output_format

stringenum: jpg, png

resolution

stringenum: 1K, 2K, 4K

google_search

boolean

image_search

boolean

image

stringformat: uri

API Schemas (Raw)

Input Open Download

Output Open Download

Was this helpful?

YesNo

On this page

Nano Banana 2.1 - 图5Docs

{"@context":"https://schema.org","@type":"TechArticle","@id":"https://developers.cloudflare.com/ai/models/google/nano-banana-2.1/#page","headline":"Nano Banana 2.1","description":"Google's Nano Banana 2.1 image generation and editing model, optimized for a balance of quality and performance.","url":"https://developers.cloudflare.com/ai/models/google/nano-banana-2.1/","inLanguage":"en","image":"https://developers.cloudflare.com/og-docs.png","publisher":{"@type":"Organization","name":"Cloudflare","description":"One platform for your apps, agents, and workforce. Build, secure, and scale without managing infrastructure","url":"https://www.cloudflare.com/","sameAs":["https://github.com/cloudflare","https://www.linkedin.com/company/cloudflare","https://x.com/cloudflare"],"logo":{"@type":"ImageObject","url":"https://developers.cloudflare.com/logo.svg"},"address":{"@type":"PostalAddress","streetAddress":"101 Townsend St","addressLocality":"San Francisco","addressRegion":"CA","postalCode":"94107","addressCountry":"US"},"contactPoint":[{"@type":"ContactPoint","contactType":"Customer Support","url":"https://support.cloudflare.com/","availableLanguage":["English"]},{"@type":"ContactPoint","contactType":"Sales","url":"https://www.cloudflare.com/contact/","availableLanguage":["English"]}]},"isPartOf":{"@type":"WebSite","@id":"https://developers.cloudflare.com/#website","name":"Cloudflare Docs","url":"https://developers.cloudflare.com/"}}

description: Google's higher-quality image generation model with improved detail and prompt adherence. title: Nano Banana Pro image: https://developers.cloudflare.com/og-docs.png

Skip to content

Documentation Index
Fetch the complete documentation index at: https://developers.cloudflare.com/llms.txt
Use this file to discover all available pages before exploring further.

Google logo