Available now on WaveSpeed

Seedream 4.0

ByteDance's advanced image generation and editing model — high-resolution output, style control, and photorealistic rendering.

Try Seedream 4.0 API Docs

Advanced Image Generation & Editing

Seedream 4.0 delivers high-resolution image generation with precise style control and photorealistic rendering on WaveSpeed infrastructure.

High-Resolution Output

Seedream 4.0 generates images at high resolution with exceptional detail and clarity. Fine textures, accurate lighting, and sharp edges meet professional production requirements.

Precise Style Control

Control artistic style, color palette, and visual mood with detailed prompt guidance. From photorealism to illustration, Seedream 4.0 adapts to your creative vision accurately.

Smart Image Editing

Edit existing images with natural language instructions. The model understands spatial context and applies changes while preserving the original composition and quality.

Endpoints

Image Editingbytedance/seedream-v4/edit

Examples

Portrait

Elegant portrait of a young woman in golden hour light, film grain texture, warm color grading.

Landscape

Dramatic alpine landscape with mirror-still lake, snow-capped peaks reflected in crystal water.

Product

Luxury watch on a dark marble surface, dramatic side lighting, high-end advertising style.

Abstract

Fluid abstract composition in deep navy and metallic gold, organic flowing shapes, premium aesthetic.

Start Building

Integrate Seedream 4.0 with a single API call. Python, JavaScript, or cURL — ship in minutes.

High-resolution image generation and editing
Multiple aspect ratios and style options
Python & JavaScript SDKs + REST API

API Docs Get API Key

import wavespeed

client = wavespeed.Client()

result = client.run(

"bytedance/seedream-v4/edit",

input={

"prompt": "A girl walking through a field of golden light",

)

print(result.data[0].url)

FAQ

Seedream 4.0 is ByteDance's advanced image generation and editing model, offering high-resolution output with precise style control and photorealistic rendering on WaveSpeed.

Seedream 4.0 handles a wide range of styles — photorealistic portraits, product shots, landscapes, illustrations, and abstract art with consistent quality.

Yes. The image editing endpoint allows you to modify existing images using natural language prompts — changing styles, objects, backgrounds, and more.

Seedream 4.0 supports multiple resolutions and aspect ratios suitable for web, social media, and print production.

Seedream 4.0 uses WaveSpeed's standard pay-per-use pricing. Visit the pricing page for current rates.