Seedream 4.5 AI Image Generator
Seedream 4.5 is ByteDance’s flagship image model — generate, edit and restyle images at 2K or 4K with up to 15 reference images for tight character and brand consistency.
How to use Seedream 4.5
Three simple steps from prompt to finished image.
Write your prompt
Describe the image you want. Seedream 4.5 understands natural language, so plain English works.
Pick ratio & references
Choose an aspect ratio and add reference images if you want Seedream 4.5 to keep a character or style.
Generate & download
Hit generate, let Seedream 4.5 render, then download the result — ready for your project.
Why choose Seedream 4.5
ByteDance Doubao Seedream 4.5 quality in one online generator.
2K & 4K output
Seedream 4.5 renders at 2K and 4K for crisp, large-format results.
15 reference images
Use up to 15 reference images to lock character, product and style across a set.
Generate, edit, restyle
One model for text-to-image, image-to-image editing and restyling.
Wide aspect ratios
From 1:1 to 21:9 and 9:21, frame for any layout including ultrawide.
Free to start
Try the Seedream 4.5 AI image generator online with no signup.
What creators say about Seedream 4.5
Designers, marketers and indie makers using Seedream 4.5 every day.
Seedream 4.5 at 4K with 15 references keeps a whole brand kit perfectly consistent.
Carlos G.
Brand Designer
Seedream 4.5 at 4K with 15 references keeps a whole brand kit perfectly consistent.
Carlos G.
Brand Designer
Restyling and editing in one model speeds up my whole pipeline.
Yuki T.
Concept Artist
Restyling and editing in one model speeds up my whole pipeline.
Yuki T.
Concept Artist
Doubao Seedream 4.5 ultrawide outputs are a gift for hero banners.
Omar F.
Agency Lead
Doubao Seedream 4.5 ultrawide outputs are a gift for hero banners.
Omar F.
Agency Lead
Seedream 4.5 FAQ
What is Seedream 4.5?
Seedream 4.5 is ByteDance’s (Doubao) flagship image model for generation and editing, supporting 2K and 4K output.
How many reference images does it support?
Seedream 4.5 accepts up to 15 reference images for strong character and style consistency.
Does Seedream 4.5 support 1K?
Seedream 4.5 outputs at 2K and 4K. For 1K, use Seedream 4.0.
Is Seedream 4.5 free to try?
You can try the Seedream 4.5 generator online for free; larger batches use credits.