ByteDance/seedream-v4.5

seedream-v4.5

Industry-leading realism by Seedream 4.5 API with native 4K image generation. Great consistency and stable output at budget price for high-volume production. Built for free testing and stable API workflows.

Text to Image

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seedream-v4.5text-to-image

seedream-v4.5-editimage-to-image

Documentation

Try the AI Image Generator now

Seedream 4.5 Pricing

Parameters	Price	Original Price	Discount

Base

$0.0360 per generation

$0.0400 per generation

90%

README

Fast & Affordable Seedream 4.5 API (ByteDance 4K Image Generation)

ByteDance Seedream 4.5 API delivers cost-effective, production-grade AI image generation for developers and creative teams. This advanced 4K image generation API integration enables you to transform complex creative visions into ultra-high-resolution reality through intuitive text-to-image generation. Built on ByteDance's cutting-edge computer vision research, Seedream 4.5 combines deep semantic understanding with flexible API integration for professional-grade output.

Key Features of Seedream 4.5 API

Native 4K High-Fidelity Image Generation: Produce crisp, production-ready 4K images with intricate fine details, realistic textures, and clean edges through cost-effective Seedream API integration.
Context-Aware Semantic Understanding: Generate scenes that accurately reflect complex descriptions. The Seedream 4.5 model understands object relationships, spatial logic, and environmental physics for cohesive visual output.
Multilingual On-Image Typography: Seamlessly integrate and edit text within images across multiple languages with Seedream 4.5 API, featuring improved font clarity and automated translation capabilities.
Prompt-Driven Creative Control: Guide composition, lighting, mood, and visual style through natural-language prompts for flexible creative direction.
Complete Aspect Ratio Flexibility: API supports a full range of formats from 1:1, 4:3, 16:9, and 21:9 to vertical 9:16 and ultra-wide 9:21, ideal for everything from cinematic banners to social media stories.
Consistent Character & Style Rendering: Maintain precise character identity, specific brand elements, and a unified visual aesthetic across multiple API-generated images.

How to Use Seedream 4.5 API for Professional 4K Image Generation on Flaq AI

Input: Natural language text prompts for text-to-image generation
Output: High-resolution 4K generated images (JPEG/PNG) via affordable Seedream API integration
Resolution: Flexible API support for 2K and 4K outputs
Aspect Ratios: 9 supported formats including 21:9, 16:9, 4:3, 3:2, 1:1, 2:3, 3:4, 9:16, and 9:21
Capabilities: Text-to-image synthesis, prompt-guided composition, multilingual typography, and complex multi-object scene generation through Seedream API.

Best Use Cases for Seedream 4.5 API Integration

Marketing & Branding: Create high-impact campaign visuals and brand assets from scratch using cost-effective Seedream 4K image generation.
Product Concept Design: Rapidly visualize new product ideas with realistic materials and professional lighting through affordable API integration.
Social Media & Digital Content: Generate high-volume, high-quality visual variations with minimal effort using production-grade Seedream API integration.
Artistic Concepting: Experiment with complex compositions and artistic styles effortlessly with 4K text-to-image generation.

Note Please ensure your prompts comply with safety guidelines. If an error occurs, review your prompt for restricted content, adjust it, and try again.

Seedream 4.5 vs Competitors: Comparative Analysis

Seedream 4.5 vs. FLUX.1 [dev]
While FLUX.1 [dev] emphasizes maximum resolution control and fine detail preservation for technical workflows, Seedream 4.5 API focuses on superior semantic understanding and layout-aware creation. Powered by ByteDance's advanced computer vision, it delivers cost-effective text-to-image generation ideal for complex, text-driven visual storytelling.
Seedream 4.5 vs. GPT-Image-1 (OpenAI)
GPT-Image-1 shines as a general-purpose creative generator with broad style variety. In contrast, Seedream 4.5 API emphasizes precise layout control, multilingual on-image text, and tightly directed output, making it the superior choice for affordable, production-grade professional design and marketing.
Seedream 4.5 vs. Nano Banana Pro
Nano Banana Pro excels at Gemini-powered semantic reasoning and 4K output quality. Seedream 4.5 API is specifically tuned for reliable typography, photo-realism, and professional mixed-media layouts with strong anime and illustration aesthetics, offering broader creative versatility.
Seedream 4.5 vs. Seedream Base
The base Seedream model remains the go-to for rapid, low-latency iterations. Seedream 4.5 trades pure speed for premium quality, delivering significantly better reasoning, sharper text, improved character consistency, and richer camera-style controls through cost-effective API integration.
Seedream 4.5 vs. Qwen Image 2509
Qwen Image is a strong contender in open-source ecosystems and document-style rendering. Seedream 4.5 API distinguishes itself by focusing on high-fidelity 4K outputs and sophisticated multilingual design control for global productions through production-grade ByteDance API integration.

Use the Seedream 4.5 Model Directly in Powerful AI Tools

Explore several AI creation tools for quick image and video workflows in your browser, then scale successful ideas with Flaq AI's production-ready model APIs. Flaq AI provides a unified API layer for all models, making it easy to use and scale your workflows.

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API Examples

JavaScriptPythoncURL

Submit Example

// Step 1: Submit generation request
const response = await fetch('https://api.flaq.ai/api/v1/image/task', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    'Authorization': 'Bearer YOUR_API_KEY'
  },
  body: JSON.stringify({
    model_name: 'seedream-v4.5',
    prompt: 'Anime girl with blue hair in a magical forest',
    width: 16,
    height: 9,
    resolution: '2k'
  })
});

const { data } = await response.json();
const taskId = data.task_id;

Polling Example

// Step 2: Poll for results
const taskId = data.task_id;

const pollResult = async (taskId) => {
  const res = await fetch(`https://api.flaq.ai/api/v1/image/${taskId}`, {
    headers: { 'Authorization': 'Bearer YOUR_API_KEY' }
  });
  return res.json();
};

while (true) {
  const pollResultData = await pollResult(taskId);
  const status = pollResultData.data.task_status;

  if (status === 'succeed') {
    console.log(pollResultData.data.task_result.images[0].url);
    break;
  }

  if (status === 'failed') {
    console.error(pollResultData.data.task_status_msg);
    break;
  }

  await new Promise(resolve => setTimeout(resolve, 10000));
}

Submit Example

# Step 1: Submit generation request
import requests

response = requests.post(
    'https://api.flaq.ai/api/v1/image/task',
    headers={
        'Content-Type': 'application/json',
        'Authorization': 'Bearer YOUR_API_KEY'
    },
    json={
        'model_name': 'seedream-v4.5',
        'prompt': 'Anime girl with blue hair in a magical forest',
        'width': 16,
        'height': 9,
        'resolution': '2k'
    }
)

result = response.json()
task_id = result['data']['task_id']

Polling Example

# Step 2: Poll for results
task_id = response.json()['data']['task_id']
poll_url = f"https://api.flaq.ai/api/v1/image/{task_id}"

while True:
    poll_result = requests.get(poll_url, headers={'Authorization': 'Bearer YOUR_API_KEY'}).json()
    status = poll_result['data']['task_status']
    if status == 'succeed':
        print(poll_result['data']['task_result']['images'][0]['url'])
        break
    if status == 'failed':
        print(poll_result['data']['task_status_msg'])
        break
    time.sleep(10)

Submit Example

# Step 1: Submit generation request
curl -X POST https://api.flaq.ai/api/v1/image/task \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model_name": "seedream-v4.5",
    "prompt": "Anime girl with blue hair in a magical forest",
    "width": 16,
    "height": 9,
    "resolution": "2k"
  }'

Polling Example

# Step 2: Poll for results
# Replace {task_id} with the task_id returned from the submit response
curl -X GET "https://api.flaq.ai/api/v1/image/{task_id}" \
  -H "Authorization: Bearer YOUR_API_KEY"

Related Seedream 4.5 Models

Seedream 4.5 Pricing

Related Models

README

Fast & Affordable Seedream 4.5 API (ByteDance 4K Image Generation)

Key Features of Seedream 4.5 API

How to Use Seedream 4.5 API for Professional 4K Image Generation on Flaq AI

Best Use Cases for Seedream 4.5 API Integration

Seedream 4.5 vs Competitors: Comparative Analysis

Use the Seedream 4.5 Model Directly in Powerful AI Tools

Text to Image

Image to Image

Text to Video

Image to Video

AI Media Creator

Reference to Video

API Examples

Submit Example

Polling Example

Submit Example

Polling Example

Submit Example

Polling Example

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