Nano Banana

Third-party
Zero data retention

Google's fast image generation model producing high-quality images from text prompts.

Model Info
Terms and License	link ↗
More information	link ↗
Zero data retention	Yes
Pricing	View pricing in the Cloudflare dashboard ↗

Usage

const response = await env.AI.run(
  'google/nano-banana',
  {
    prompt:
      'A cozy coffee shop interior with warm lighting, plants hanging from the ceiling, and a cat sleeping on a velvet armchair by the window',
    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",
  "input": {
    "prompt": "A cozy coffee shop interior with warm lighting, plants hanging from the ceiling, and a cat sleeping on a velvet armchair by the window",
    "aspect_ratio": "16:9"
  }
}'

{
  "gatewayMetadata": {
    "keySource": "Unified"
  },
  "result": {
    "image": "https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/google__nano-banana/cozy-coffee-shop.png"
  },
  "state": "Completed"
}

Examples

Vintage Tokyo Poster — Retro travel poster style illustration

const response = await env.AI.run(
  'google/nano-banana',
  {
    prompt:
      'A vintage travel poster for Tokyo, Japan in the style of 1960s airline advertisements, with Mount Fuji in the background and cherry blossoms framing the scene',
    aspect_ratio: '9:16',
  },
)
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",
  "input": {
    "prompt": "A vintage travel poster for Tokyo, Japan in the style of 1960s airline advertisements, with Mount Fuji in the background and cherry blossoms framing the scene",
    "aspect_ratio": "9:16"
  }
}'

{
  "gatewayMetadata": {
    "keySource": "Unified"
  },
  "result": {
    "image": "https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/google__nano-banana/vintage-tokyo-poster.png"
  },
  "state": "Completed"
}

Dewdrops Macro — Photorealistic macro photography

const response = await env.AI.run(
  'google/nano-banana',
  {
    prompt:
      'A photorealistic macro shot of dewdrops on a spider web at sunrise, with rainbow light refracting through each droplet',
    aspect_ratio: '1:1',
  },
)
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",
  "input": {
    "prompt": "A photorealistic macro shot of dewdrops on a spider web at sunrise, with rainbow light refracting through each droplet",
    "aspect_ratio": "1:1"
  }
}'

{
  "gatewayMetadata": {
    "keySource": "Unified"
  },
  "result": {
    "image": "https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/google__nano-banana/dewdrops-macro.png"
  },
  "state": "Completed"
}

Pixel Art Marketplace — Isometric pixel art scene

const response = await env.AI.run(
  'google/nano-banana',
  {
    prompt:
      'An isometric pixel art scene of a bustling medieval marketplace with merchants, knights, and a dragon perched on the town hall roof',
    aspect_ratio: '1:1',
  },
)
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",
  "input": {
    "prompt": "An isometric pixel art scene of a bustling medieval marketplace with merchants, knights, and a dragon perched on the town hall roof",
    "aspect_ratio": "1:1"
  }
}'

{
  "gatewayMetadata": {
    "keySource": "Unified"
  },
  "result": {
    "image": "https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/google__nano-banana/pixel-art-marketplace.png"
  },
  "state": "Completed"
}

High Resolution Landscape — Generate a high-resolution 4K landscape image

const response = await env.AI.run(
  'google/nano-banana',
  {
    prompt:
      'A dramatic mountain landscape at golden hour with snow-capped peaks and a crystal clear alpine lake',
    aspect_ratio: '16:9',
    image_size: '4K',
    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",
  "input": {
    "prompt": "A dramatic mountain landscape at golden hour with snow-capped peaks and a crystal clear alpine lake",
    "aspect_ratio": "16:9",
    "image_size": "4K",
    "output_format": "png"
  }
}'

{
  "gatewayMetadata": {
    "keySource": "Unified"
  },
  "result": {
    "image": "https://pub-04a6d208d361438ea01b797e6973bd19.r2.dev/catalog/google__nano-banana/high-resolution-landscape.png"
  },
  "state": "Completed"
}

Parameters

prompt

stringrequired

▶image_input[]

arraymaxItems: 3

aspect_ratio

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

output_format

stringenum: jpg, png, webp

image_size

stringenum: 1K, 2K, 4K

image

stringformat: uri

API Schemas (Raw)

Input

Output