Seedream 4.0
Seedream 4.0 is a next-generation AI image generator and editor that empowers anyone to create stunning visuals in seconds. Turn your ideas into high-resolution images with simple text promptsâno design skills needed.
Seedream 4.0 Editor
Create and edit stunning visuals with AI-powered generation
Drag & drop images or click to browse
Supports JPG, PNG, WEBP (max 24MB)
Upload up to 5 reference images
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Seedream 4.0 Showcase Gallery
Explore stunning creations made with Seedream 4.0




What is Seedream 4.0
Ultra-Fast, High-Resolution Output
Seedream 4.0 generates 2K images in just 1.8 seconds and supports up to 4K resolution. This balance of speed and detail makes it ideal for fast product visuals, marketing creatives, and print-ready designs.
Natural Language Editing
Simply type instructions like "add a sunset background" or "remove the hat", and Seedream 4.0 AI makes the change instantly. Professionals can refine photos or campaign assets quicklyâno advanced tools required.
Multiple Images & Consistency
Create up to 9 images at once, all in a consistent style. Perfect for e-commerce catalogs, design prototypes, or brand visuals, ensuring every batch looks cohesive and on-brand.
Reference Image Support
Upload up to 6 reference images to guide style or layout. Designers and marketers can blend sketches, brand elements, or product photos with AI creativity for precise, tailored outputs.
Advanced Scene Understanding
Seedream 4.0 handles complex instructions while keeping details consistent. From evolving storyboards to product iterations, it maintains logical coherence for professional-grade results.
How to Use Seedream 4.0
Create Your Prompt
Write a short text prompt or upload a reference image to tell Seedream 4.0 what you'd like to create.
AI Processing
Seedream 4.0 advanced model interprets your input and generates stunning, detailed visuals within seconds.
Download & Use
Instantly download your high-resolution creation and use it for projects, marketing, social media, or personal design.
More About Seedream 4.0
Can Seedream 4.0 create new images and edit existing photos?
Yes. Seedream 4.0 is a multi-modal AI that supports both text-to-image generation and photo editing. You can start with a description to create an image from scratch or upload an existing photo for transformation. The system detects your input and applies either generation or editing, making it versatile for creating new artwork or enhancing existing visuals.
How fast is AI image generation and AI image editing with Seedream 4.0?
Seedream 4.0 is optimized for speed. A 2K image can be produced in just a few seconds, though times vary by task complexity and batch size. Larger or multi-step edits may take 30â90 seconds, but overall it remains faster than most other AI generators. Progress updates are shown during the process.
How does Seedream 4.0 protect my images and data?
Seedream 4.0 processes all uploads securely and does not use private images for training or publishing without consent. By default, your content remains private unless you choose to share it. Robust privacy safeguards ensure your data stays protected.
What languages can Seedream 4.0 understand for prompts?
Seedream 4.0 supports multiple languages, with strong performance in English and Chinese. It accurately interprets prompts in both, handling complex instructions and maintaining context. Other languages may work, but English or Chinese delivers the best results.
What should I do if my Seedream 4.0 output doesn't match my intent?
If results aren't as expected, refine your prompt and try again. Seedream 4.0 is sensitive to wording and detail, so avoid ambiguity or conflicting styles. Use reference images or the intensity slider for tighter control. Iteration is normal, and thanks to its speed, adjusting prompts only takes a few seconds to improve results.
Does Seedream 4.0 have any content or usage restrictions I should know about?
Yes. Like most AI image generators, Seedream 4.0 must adhere to certain content guidelines. It is intended for creative but responsible use â you should not use it to generate disallowed content. This means overtly NSFW imagery, violent or hateful content, or anything illegal is against the rules and will be filtered out or rejected by the system.