Seedream 4.0
seedream4.io
Generate photorealistic images with pro-grade controls and up to 4K output—fast and consistent.
Description
Seedream 4.0 is a next-generation multi-modal AI image generator developed by ByteDance, offering photorealistic results with pro-grade controls. Designed for quality, speed, and consistency, it supports up to 4K output. The platform excels in deep scene understanding, reference-based consistency, and artistic style transfer, making it ideal for creators needing high-quality visuals for campaigns, social media, and commercial projects. With features like sequential story generation and ultra-fast rendering, Seedream 4.0 caters to digital artists, marketers, and content creators seeking efficient and reliable image generation.
Installation
Not sure where to start — ask an assistant to walk you through:
Features
🎨 Deep Scene Understanding
Render complex, multi-subject scenes with accurate details, lighting, and composition—great for narrative visuals and product sets.
🖼️ Reference-Based Consistency
Upload up to 6 reference images to keep characters, products, or branding consistent across shots and styles.
⚡ Ultra-Fast Rendering
Generate high-quality images rapidly—with native 2K output and support for up to 4K. Ideal for fast iteration and production workflows.
Use cases
Create product sets with consistent branding
Generate narrative visuals for comics
Produce marketing graphics in 4K
Design social media carousels
Edit images with natural-language prompts
FAQ
Seedream 4.0 is ByteDance’s next-generation unified model for both image generation and editing, supporting outputs up to 4K.
Creators report very fast rendering for native 2K output, with support for up to 4K when extra detail is needed.
Yes. Upload up to 6 reference images to maintain consistency across generations.
Yes. Generate up to 9 coherent, story-driven images in a single batch.
Free credits are offered for new accounts to try the model at no cost.
Absolutely. Used for campaign visuals, product imagery, and illustrations.
Use Seedream 4.0 on our Generator page or explore API access via enterprise channels.
Type plain-English instructions to edit images without manual masking.
Spell out subjects, context, style, and include lighting or mood cues.
Native 2K output with support for up to 4K resolution.
Specs
| Type | Tool |
| Section | Art Generation |
| Pricing | has a free tier (от $9.99/mo) |
| Platform | Web only |
| Systems | web |
| Hosting | cloud |
| Install | saas |
| Site language | en |
| Vendor | Crun |
| Launched | 2025-10-27 |