Seedream 3.0

Seedream 3.0 is ByteDance's high-resolution bilingual image generation model, built for Chinese and English prompt understanding with stronger text rendering, better structural accuracy, improved visual aesthetics, and native high-definition image creation.

Inference

$0.03 per image

Text to Image API

API

Seedream 3.0 Text to Image API

Prompt*

Describe the image (max 300 Chinese characters or 600 English words)

Size

Output image size preset, or use width/height for custom. Range: 648x648 to 2048x2048, 64-aligned

Guidance Scale

How closely to follow the prompt (1-10)

$0.03/image

Add Funds

Result

Idle

Results will appear here

Cost: $0.03/image

Seedream 3.0 API Implementation Guide

Create Account

Get API Key

Generate your API key from the dashboard and set it as an environment variable.

export MODELHUNTER_KEY="your_api_key"

Go to Dashboard →

Make Your First Call

Follow the API documentation for complete code examples in cURL, JavaScript, and Python, including request format, polling, and error handling.

View API Documentation →

Seedream 3.0 Key Info

Capabilities

Text to Image API

Pricing

Text to Image API

$0.03 / image

$0.03 per image

Use Cases

Text to Image API

Output Formats

png

jpeg

Max Resolution: 2048x2048

Seedream 3.0 API Documentation

Run the playground first, then open the full API docs for integration details.

About

Cost-effective text-to-image with seed and guidance control

Code Examples

request.sh

1curl -X POST https://api.modelhunter.ai/api/v1/seedream/text-to-image \
2  -H "Authorization: Bearer YOUR_API_KEY" \
3  -H "Content-Type: application/json" \
4  -d '{
5    "model": "seedream-3-0-t2i",
6    "input": {
7        "prompt": "A futuristic cityscape at sunset with neon signs",
8        "size": "1024x1024"
9    }
10}'

Schema

View Full API Docs

Input

model

string

required

Model ID for this capability.

Value: seedream-3-0-t2i

prompt

string

required

Describe the image (max 300 Chinese characters or 600 English words)

size

string

Output image size preset, or use width/height for custom. Range: 648x648 to 2048x2048, 64-aligned

Options: 1024x1024, 1152x864, 864x1152, 1280x720, 720x1280, 1248x832, 832x1248, 1512x648

Default: 1024x1024

width

number

Custom width in pixels (alternative to size). Range: 648-2048, 64-aligned

Range: 648 to 2048

height

number

Custom height in pixels (alternative to size). Range: 648-2048, 64-aligned

Range: 648 to 2048

guidance_scale

number

How closely to follow the prompt (1-10)

Default: 7

Range: 1 to 10

seed

number

Random seed for reproducibility. -1 for random

Default: -1

Range: -1 to 2147483647

watermark

boolean

Watermark

Default: true

response_format

string

Response Format

Options: url

Default: url

webhookUrl

string

URL to receive a webhook notification when the task completes.

metadata

object

Custom key-value metadata to attach to the task for tracking.

Response (HTTP 202)

success

boolean

Whether the request was accepted successfully.

data.id

string

Unique task ID. Use this to poll GET /api/v1/tasks/{id} for results.

data.status

string

Task status: pending, processing, completed, failed.

data.type

string

Generation type: text-to-image.

data.provider

string

Provider name: seedream.

data.model

string

Model ID used for generation.

data.created_at

string

ISO 8601 timestamp of when the task was created.

data.estimated_seconds

number

Estimated time in seconds until the task completes.

Seedream 3.0 Text to Image API

Prompt*

Describe the image (max 300 Chinese characters or 600 English words)

Size

Output image size preset, or use width/height for custom. Range: 648x648 to 2048x2048, 64-aligned

Guidance Scale

How closely to follow the prompt (1-10)

$0.03/image

Add Funds

Result

Idle

Results will appear here

Cost: $0.03/image

Seedream 3.0 API Implementation Guide

Create Account

Get API Key

Generate your API key from the dashboard and set it as an environment variable.

export MODELHUNTER_KEY="your_api_key"

Go to Dashboard →

Make Your First Call

Follow the API documentation for complete code examples in cURL, JavaScript, and Python, including request format, polling, and error handling.

View API Documentation →

1curl -X POST https://api.modelhunter.ai/api/v1/seedream/text-to-image \

2 -H "Authorization: Bearer YOUR_API_KEY" \

3 -H "Content-Type: application/json" \

4 -d '{

5 "model": "seedream-3-0-t2i",

6 "input": {

7 "prompt": "A futuristic cityscape at sunset with neon signs",

8 "size": "1024x1024"

9 }

10}'