Seedream 4.0 - Where Creation Meets Control.
Introducing Seedream 4.0, Bytedance's multimodal AI model. Generate stunning 2K images in 1.8 seconds and edit everything with simple, natural language.
Seedream 4.0 AI Image Generator
Transform your images with advanced AI technology. Choose between Image-to-Image or Text-to-Image generation.
Click or drag image(s) here
JPEG, PNG only. Max 10MB. Aspect ratio 1/3-3. Min 14px
Batch Generation
Generate a set of content-related images based on your input
The actual number of images generated is limited by both max images and reference images. Reference images + generated images ≤ 15 total.
An All-in-One Workflow in Seedream 4.0 to Unleash Your Creativity
From rapid generation to precision editing and video integration, Seedream 4.0 streamlines every step of your creative process.
Ultra-Fast High-Res Generation
Generate 2K HD images in ~1.8 seconds with Seedream. Perfect for real-time creative workflows where speed is critical.
Precision Editing with Seedream 4.0
Driven by natural language. Add, remove, or modify elements with Seedream 4.0 while ensuring perfect detail and fidelity.
High-Fidelity Character Consistency with Seedream
Maintain character identity across different styles and edits, preventing distortion or uncanny results with Seedream.
Seedream 4.0's Deep Intent Understanding
Comprehends complex prompts and contextual logic to deliver images that truly match your creative vision.
Multi-Image Input & Output with Seedream
Use multiple reference images to generate coherent sequences for comics, storyboards, and narratives with Seedream.
Seamless Video Integration
Collaborate with Seedance to transform static images from Seedream into dynamic videos in one unified workflow.
Technical Specifications
Seedream 4.0 is More Than Fast. It's Precision-Engineered.
Our core technology is the foundation that guarantees a professional-grade creative experience with Seedream 4.0.
Performance Benchmarks
2K HD Image Generation with Seedream 4.0
Industry-leading speed for professional workflows with Seedream.
Lossless Detail Retention
Preserve every pixel with precision editing in Seedream.
Native English & Chinese Support for Seedream
Seamless experience in both languages with our Seedream technology.
Expand to Video Instantly with Seedream
Transform static Seedream images into dynamic videos.
Seedream 4.0's Advanced AI Architecture
Multimodal Transformer
State-of-the-art architecture for Seedream image understanding and generation.
Attention Mechanisms
Advanced attention for precise detail control and consistency in Seedream.
Optimized Inference
Custom optimizations for real-time performance with Seedream.
Quality Assurance
Built-in quality checks and validation systems for all Seedream generations.
See Seedream 4.0 in Action
Experience the power of Seedream 4.0's AI-driven image generation and editing in real-time
Text to Image
Precision Editing
Multi-Image
How Seedream 4.0 Empowers Professionals Across Industries
Whether you're a designer, marketer, or developer, Seedream 4.0 dramatically boosts your efficiency and creative output.
E-commerce Design
Interior Scene Compositing & Subject Placement
Place a primary image into a cozy, well‑lit interior and blend it naturally. Match lighting and perspective, preserve subject integrity, and achieve a soft, modern, inviting vibe with minimal prompts. With Seedream 4.0, you can achieve stunning results with minimal effort. This is a key feature of Seedream.
A cozy, bright living room corner with warm natural light. The first image is placed as the main picture in the scene. A curious cat is gently sniffing it. Soft, modern, and inviting atmosphere.
Brand Design
Branded Merchandise & Ad Set Generation
Create a cohesive set of branded visuals—packaging bags, hats, boxes, cards, wristbands, lanyards—using a consistent green palette. Iterate fast and keep the style fun, simple, and modern across assets. With Seedream 4.0, you can achieve stunning results with minimal effort. This is a key feature of Seedream.
Based on the first image, create a set of visual designs for an outdoor sports brand named “GREEN”, including packaging bags, hats, paper boxes, cards, wristbands, and lanyards. The main visual tone should be green, with a fun, simple, and modern style.
Art Creation
Romantic Film Storyboard Generation
Generate sequential storyboard panels for a romantic narrative based on your first image. Maintain character continuity, visual tone, and key beats—and expand to video when ready. With Seedream 4.0, you can achieve stunning results with minimal effort. This is a key feature of Seedream.
Based on the first image, generate a set of love movie storyboards.
Built for Professionals, Not Just Quick Edits
Seedream 4.0 offers a superior choice for professional creators in core capabilities, resolution, and commercial strategy.
| Feature | Seedream 4.0 (Bytedance) | Nano Banana (Google Gemini 2.5 Flash) |
|---|---|---|
| Core Capability | Seedream 4.0: Text-to-Image + Precision Editing | Advanced Image Editing (some generation) |
| Generation Speed | 1.8s for a 2K HD Image with Seedream | Editing is nearly instantaneous |
| Detail Fidelity | High-fidelity rendering with Seedream + Lossless Editing | Stronger character consistency over multiple edits |
| Language Support | Native English & Chinese | Multi-language support not specified |
| Multimodal Support | Seedream works with Seedance → Image-to-Video | Multi-turn sequential editing |
| Resolution | 2K HD with Seedream 4.0 (4K/8K planned) | Primarily standard resolution |
| Watermark Policy | No Watermarks | Visible watermark + invisible SynthID |
| Primary Fields | Creators, Design, E-commerce, Ads, Film, Education, Gaming with Seedream | Selfies, quick touch-ups, social sharing |
Frequently Asked Questions
Get answers to common questions about Seedream 4.0
Q What can I create with Seedream 4.0?
Seedream's versatility spans from photorealistic portraits to abstract concepts, marketing materials to artistic masterpieces. Whether you need product photography, social media content, or creative artwork, Seedream 4.0 AI adapts to deliver exactly what you envision with Seedream.
Q What is Seedream 4.0 and how does it work?
Seedream 4.0 is an advanced AI-powered image generation and editing platform that uses cutting-edge machine learning to create, modify, and enhance images. Simply upload your base image, provide a text prompt describing what you want, and our Seedream 4.0 AI will generate the desired result in seconds.
Q Is Seedream suitable for non-designers?
Absolutely! Seedream 4.0 was built with accessibility in mind. Our Seedream AI guides you through every step - from simple text prompts to advanced editing. No training needed - just imagination and Seedream handles the technical complexity.
Q How accurate are the AI-generated results from Seedream?
Our Seedream AI model achieves 95%+ accuracy in following user prompts and maintaining image quality. The results are highly detailed and realistic, with advanced understanding of composition, lighting, and style. You can refine results with additional prompts if needed.
Q What are the generation limits with Seedream?
Seedream 4.0 operates on a flexible credit system. Start free to explore Seedream AI capabilities, then scale up as your needs grow. Professional tiers unlock unlimited potential with priority Seedream processing for serious creators.
Q Can I use the images generated by Seedream commercially?
Yes! All images generated with Seedream 4.0 can be used for commercial purposes, including marketing, advertising, product design, and client work. You retain full rights to the generated content. We recommend reviewing our Seedream terms of service for complete details.
The Future of Seedream 4.0 is Just the Beginning
- ➜ Support for 4K/8K Ultra-HD Resolution
- ➜ Lightweight mobile version
Trusted by Creators Worldwide
Join thousands of professionals who have transformed their creative workflow with Seedream 4.0
What Our Users Say About Seedream
"Seedream 4.0 has revolutionized our design workflow. The 1.8-second generation time in Seedream is incredible, and the quality is consistently professional."
"The precision editing capabilities in Seedream are unmatched. I can make complex changes with simple natural language prompts. It's like having a professional designer on demand with Seedream."
"The integration with Seedance for video creation is seamless with Seedream. We've reduced our content production time by 70% while maintaining the highest quality standards."
Trusted by Industry Leaders