Nano Banana 2

Text-to-Image • Google

google/nano-banana-2

• Third-party
• Zero data retention

Google's second-generation image generation model with improved quality and speed.

Usage

const response = await env.AI.run(
  'google/nano-banana-2',
  {
    prompt:
      'A futuristic cyberpunk city at night with towering skyscrapers, neon signs in Japanese and English, flying cars, and rain-slicked streets reflecting colorful lights',
    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",
  "input": {
    "prompt": "A futuristic cyberpunk city at night with towering skyscrapers, neon signs in Japanese and English, flying cars, and rain-slicked streets reflecting colorful lights",
    "aspect_ratio": "16:9"
  }
}'

{
  "state": "Completed",
  "result": {
    "image": "https://examples.aig.cloudflare.com/google/nano-banana-2/futuristic-city.png"
  },
  "gatewayMetadata": {
    "keySource": "Unified"
  }
}

Examples

<details>

<summary>Abstract Art — Modern abstract expressionist painting</summary>

const response = await env.AI.run(
  'google/nano-banana-2',
  {
    prompt:
      'An abstract expressionist painting with bold splashes of cobalt blue, crimson red, and gold leaf accents on a large canvas',
    aspect_ratio: '1:1',
    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",
  "input": {
    "prompt": "An abstract expressionist painting with bold splashes of cobalt blue, crimson red, and gold leaf accents on a large canvas",
    "aspect_ratio": "1:1",
    "output_format": "jpg"
  }
}'

{
  "state": "Completed",
  "result": {
    "image": "https://examples.aig.cloudflare.com/google/nano-banana-2/abstract-art.jpg"
  },
  "gatewayMetadata": {
    "keySource": "Unified"
  }
}

</details>

<details>

<summary>With Google Search — Use web search grounding for current events</summary>

const response = await env.AI.run(
  'google/nano-banana-2',
  {
    prompt: 'An illustration of the latest Mars rover exploring the Martian surface',
    aspect_ratio: '16:9',
    google_search: true,
  },
)
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",
  "input": {
    "prompt": "An illustration of the latest Mars rover exploring the Martian surface",
    "aspect_ratio": "16:9",
    "google_search": true
  }
}'

{
  "state": "Completed",
  "result": {
    "image": "https://examples.aig.cloudflare.com/google/nano-banana-2/with-google-search.jpg"
  },
  "gatewayMetadata": {
    "keySource": "Unified"
  }
}

</details>

<details>

<summary>High Resolution Portrait — 4K portrait with specific aspect ratio</summary>

const response = await env.AI.run(
  'google/nano-banana-2',
  {
    prompt:
      'A professional studio portrait of a woman with dramatic side lighting, wearing elegant jewelry',
    aspect_ratio: '3:4',
    output_format: 'jpg',
    resolution: '4K',
  },
)
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",
  "input": {
    "prompt": "A professional studio portrait of a woman with dramatic side lighting, wearing elegant jewelry",
    "aspect_ratio": "3:4",
    "output_format": "jpg",
    "resolution": "4K"
  }
}'

{
  "state": "Completed",
  "result": {
    "image": "https://examples.aig.cloudflare.com/google/nano-banana-2/high-resolution-portrait.jpg"
  },
  "gatewayMetadata": {
    "keySource": "Unified"
  }
}

</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

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description: Google's fastest Gemini image generation model for rapid image creation and iteration. title: Nano Banana 2 Lite image: https://developers.cloudflare.com/og-docs.png

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