Seedream 5 Lite

Model ID

Use with the Workers AI binding, the AI Gateway REST API, or the Unified API.

Calling the provider directly? Use the provider's model name instead, including with provider-native endpoints or the provider's own SDK. For example, Anthropic's name for anthropic/claude-opus-4.8 is claude-opus-4-8.

Third-party

Seedream 5 Lite is a lighter, faster version of the Seedream 5 family with multi-reference and batch generation support.

Model Info
More information	link ↗
Pricing	Per image$0.035

Usage

const response = await env.AI.run(
  'bytedance/seedream-5-lite',
  { prompt: 'A cute robot watering plants in a sunny greenhouse' },
)
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": "bytedance/seedream-5-lite",
  "input": {
    "prompt": "A cute robot watering plants in a sunny greenhouse"
  }
}'

{
  "gatewayMetadata": {
    "keySource": "Unified"
  },
  "result": {
    "images": [
      "https://ark-acg-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-5-0/021776405291656e8ad6f8fac80a9b78040141fa10ae51dc262e8_0.jpeg"
    ]
  },
  "state": "Completed"
}

Examples

High Resolution PNG — 3K quality with PNG output

const response = await env.AI.run(
  'bytedance/seedream-5-lite',
  {
    prompt:
      'A detailed technical blueprint of a futuristic spacecraft with annotations and measurements',
    aspect_ratio: '16:9',
    output_format: 'png',
    size: '3K',
  },
)
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": "bytedance/seedream-5-lite",
  "input": {
    "prompt": "A detailed technical blueprint of a futuristic spacecraft with annotations and measurements",
    "aspect_ratio": "16:9",
    "output_format": "png",
    "size": "3K"
  }
}'

{
  "gatewayMetadata": {
    "keySource": "Unified"
  },
  "result": {
    "images": [
      "https://ark-acg-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-5-0/021776405293188e8ad6f8fac80a9b78040141fa10ae51d8ac521_0.png"
    ]
  },
  "state": "Completed"
}

Portrait Photo — JPEG output for photographs

const response = await env.AI.run(
  'bytedance/seedream-5-lite',
  {
    prompt:
      'A professional headshot portrait with soft studio lighting and a neutral gray background',
    aspect_ratio: '3:4',
    output_format: 'jpeg',
    size: '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": "bytedance/seedream-5-lite",
  "input": {
    "prompt": "A professional headshot portrait with soft studio lighting and a neutral gray background",
    "aspect_ratio": "3:4",
    "output_format": "jpeg",
    "size": "2K"
  }
}'

{
  "gatewayMetadata": {
    "keySource": "Unified"
  },
  "result": {
    "images": [
      "https://ark-acg-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-5-0/021776405322247e8ad6f8fac80a9b78040141fa10ae51db518ee_0.jpeg"
    ]
  },
  "state": "Completed"
}

Sequential Comic — Generate sequential comic panels

const response = await env.AI.run(
  'bytedance/seedream-5-lite',
  {
    prompt:
      'A four-panel comic strip showing a cat discovering a cardboard box and deciding to sit in it',
    aspect_ratio: '4:3',
    max_images: 4,
    sequential_image_generation: 'auto',
  },
)
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": "bytedance/seedream-5-lite",
  "input": {
    "prompt": "A four-panel comic strip showing a cat discovering a cardboard box and deciding to sit in it",
    "aspect_ratio": "4:3",
    "max_images": 4,
    "sequential_image_generation": "auto"
  }
}'

{
  "gatewayMetadata": {
    "keySource": "Unified"
  },
  "result": {
    "images": [
      "https://ark-acg-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-5-0/0217764053440971386b9a8ed856c57501cfa946ce34c987bb335_0.jpeg"
    ]
  },
  "state": "Completed"
}

Image Variation — Create variation from reference

const response = await env.AI.run(
  'bytedance/seedream-5-lite',
  {
    prompt: 'Create a variation of this image in a watercolor painting style',
    aspect_ratio: 'match_input_image',
    image_input: [
      'https://replicate.delivery/xezq/jCypj4MeXYUiRyq7nfgm8z1OvFZF81wh4FznutDsZOuJz0YWA/tmp1iukn307.jpg',
    ],
    size: '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": "bytedance/seedream-5-lite",
  "input": {
    "prompt": "Create a variation of this image in a watercolor painting style",
    "aspect_ratio": "match_input_image",
    "image_input": [
      "https://replicate.delivery/xezq/jCypj4MeXYUiRyq7nfgm8z1OvFZF81wh4FznutDsZOuJz0YWA/tmp1iukn307.jpg"
    ],
    "size": "2K"
  }
}'

{
  "gatewayMetadata": {
    "keySource": "Unified"
  },
  "result": {
    "images": [
      "https://ark-acg-ap-southeast-1.tos-ap-southeast-1.volces.com/seedream-5-0/0217764053505731386b9a8ed856c57501cfa946ce34c989ba40c_0.jpeg"
    ]
  },
  "state": "Completed"
}

Parameters

prompt

stringrequired

▶image_input[]

arraymaxItems: 14format: uri

size

stringenum: 2K, 3K

aspect_ratio

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

sequential_image_generation

stringenum: disabled, auto

max_images

integerminimum: 1maximum: 15

output_format

stringenum: png, jpeg

▶images[]

arrayminItems: 1format: uri

API Schemas (Raw)

Input

Output