Seedream 4.0 T2I

New-generation image creation with unified generation and editing architecture. See model inputs and outputs on Runpod Public Endpoints.

Seedream 4.0 T2I is ByteDance’s new-generation image creation model that integrates both generation and editing capabilities within a unified architecture. It produces high-quality images with excellent prompt adherence.

Try in playground

Test Seedream 4.0 T2I in the Runpod Hub playground.

Endpoint	https://api.runpod.ai/v2/seedream-v4-t2i/runsync
Pricing	$0.027 per image
Type	Image generation

Request

All parameters are passed within the input object in the request body.

input.prompt · string · required

Text description of the desired image.

input.negative_prompt · string

Elements to exclude from the generated image.

input.size · string · default: "1024*1024"

Image dimensions in format “width*height”.

input.seed · integer · default: "-1"

Seed for reproducible results. Set to -1 for random.

input.enable_safety_checker · boolean · default: "true"

Enable content safety checking.

cURL

curl -X POST "https://api.runpod.ai/v2/seedream-v4-t2i/runsync" \
  -H "Authorization: Bearer $RUNPOD_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "input": {
      "prompt": "American retro 1950s illustration style, diner scene",
      "negative_prompt": "",
      "size": "2048*2048",
      "seed": -1,
      "enable_safety_checker": true
    }
  }'

import requests

response = requests.post(
    "https://api.runpod.ai/v2/seedream-v4-t2i/runsync",
    headers={
        "Authorization": f"Bearer {RUNPOD_API_KEY}",
        "Content-Type": "application/json",
    },
    json={
        "input": {
            "prompt": "American retro 1950s illustration style, diner scene",
            "negative_prompt": "",
            "size": "2048*2048",
            "seed": -1,
            "enable_safety_checker": True,
        }
    },
)

result = response.json()
print(result["output"]["image_url"])

const response = await fetch(
  "https://api.runpod.ai/v2/seedream-v4-t2i/runsync",
  {
    method: "POST",
    headers: {
      Authorization: `Bearer ${RUNPOD_API_KEY}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      input: {
        prompt: "American retro 1950s illustration style, diner scene",
        negative_prompt: "",
        size: "2048*2048",
        seed: -1,
        enable_safety_checker: true,
      },
    }),
  }
);

const result = await response.json();
console.log(result.output.image_url);

Response

id · string

Unique identifier for the request.

status · string

Request status. Returns COMPLETED on success, FAILED on error.

delayTime · integer

Time in milliseconds the request spent in queue before processing began.

executionTime · integer

Time in milliseconds the model took to generate the image.

workerId · string

Identifier of the worker that processed the request.

output · object

The generation result containing the image URL and cost.

output.image_url · string

URL of the generated image. This URL expires after 7 days.

output.cost · float

Cost of the generation in USD, calculated based on the output megapixels.

200

{
  "id": "sync-a1b2c3d4-e5f6-7890-abcd-ef1234567890-u1",
  "status": "COMPLETED",
  "delayTime": 16,
  "executionTime": 5234,
  "workerId": "oqk7ao1uomckye",
  "output": {
    "image_url": "https://image.runpod.ai/abc123/output.png",
    "cost": 0.113246
  }
}

{
  "id": "sync-a1b2c3d4-e5f6-7890-abcd-ef1234567890-u1",
  "status": "FAILED",
  "error": "Invalid parameter: size format must be width*height"
}

Image URLs expire after 7 days. Download and store generated images immediately if you need to keep them.

Cost calculation

Seedream 4.0 T2I charges $0.027 per image generated.