Seedream 4.0 T2I

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);

{
  "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"
}

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.

string

required

Text description of the desired image.

string

Elements to exclude from the generated image.

string

default:"1024*1024"

Image dimensions in format “width*height”.

integer

default:"-1"

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

boolean

default:"true"

Enable content safety checking.

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

string

Unique identifier for the request.

string

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

integer

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

integer

Time in milliseconds the model took to generate the image.

string

Identifier of the worker that processed the request.

object

The generation result containing the image URL and cost.

string

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

float

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

{
  "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.

Last modified on October 5, 2026

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);

{
  "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 models

Video models

Text models

Audio models

Try in playground

Request

Response

Cost calculation