Seedream 4.0 AI Image Generator

ByteDance's revolutionary multimodal AI model delivering ultra-fast 2K generation, precise editing controls, and professional-grade consistency for creative workflows.

Key Features

Ultra-fast 2K generation in just 1.8 seconds

First AI model to create 9 matching images simultaneously

Integrated generation and editing in one unified model

Professional 4K resolution support

Multi-reference input support (up to 6 images)

Advanced editing with natural language commands

Mixture-of-experts (MoE) architecture for optimal performance

Perfect visual consistency across all outputs

Professional-grade image quality for commercial use

How to Master Seedream 4.0

  1. Step 1

    Craft Precise Prompts

    Use the formula: 'change action + change object + target feature'. Include professional vocabulary and specific scene descriptions for best results.

  2. Step 2

    Leverage Multi-Modal Capabilities

    Upload reference images, combine text-to-image with editing, or generate multiple consistent variations using 'a series of' or 'group of images' phrases.

  3. Step 3

    Optimize for Professional Use

    Select 2K or 4K resolution for commercial work, use batch generation for campaigns, and apply natural language editing commands like 'change background to sunset beach'.

  4. Step 4

    Quality Control & Iteration

    Review outputs for prompt adherence, aesthetic quality, and consistency. Use the self-check approach: verify instructions, descriptions, details, and background consistency.

Example Prompts

Example 1

Professional headshot of an elven mage, emerald robes with gold trim, mystical lighting, fantasy character portrait, high detail

Example 2

A series of tavern interior shots: main hall, private dining room, cellar storage, consistent medieval fantasy style

Example 3

Group of fantasy adventurers: human fighter, elven ranger, dwarf cleric, halfling rogue, heroic poses, matching art style

Example 4

Change the background to a sunset mountain landscape while keeping the character unchanged

Example 5

Ancient dragon perched on crystal formations, iridescent scales, ethereal glow, cinematic composition, 4K detail

Example 6

Medieval marketplace bustling with vendors, colorful banners, warm afternoon lighting, detailed architectural elements

💡 Click the copy button to use these prompts in your own generations

Professional Applications

🛍️

E-commerce & Product Catalogs

Generate consistent product variations, lifestyle shots, and marketing materials with perfect brand coherence across multiple images.

📢

Marketing & Advertising

Create cohesive campaign visuals, social media content, and promotional materials with unprecedented speed and consistency.

🎮

Game Development

Design character concepts, environments, and assets with consistent art styles for RPGs, board games, and digital experiences.

📚

Publishing & Media

Generate book covers, illustrations, and editorial content with professional quality and rapid turnaround times.

🎨

Creative Studios

Streamline concept art workflows, client presentations, and creative iterations with unified visual language.

📱

Content Creation

Produce high-quality visuals for blogs, social media, presentations, and digital content at scale.

Technical Specifications

Generation Speed1.8 seconds (2K resolution)
Maximum Resolution4K (4096×4096)
Simultaneous ImagesUp to 9 matching outputs
Reference ImagesUp to 6 inputs supported
ArchitectureMixture-of-experts (MoE)
Editing CapabilitiesNatural language commands
Consistency MethodAdvanced cross-attention
File FormatsPNG, JPEG, WebP
Color Depth16-bit per channel
Aspect RatiosSquare, Portrait, Landscape

Strengths & Limitations

Strengths

  • Industry-leading generation speed (1.8s for 2K images)
  • Simultaneous multi-image generation with perfect consistency
  • Unified architecture combining generation and editing
  • Professional 4K resolution output capability
  • Advanced multimodal understanding and reasoning
  • Comprehensive editing features with natural language control
  • Multi-reference support for complex creative projects
  • Excellent prompt adherence and aesthetic quality
  • Optimized for commercial and professional workflows

Limitations

  • Newer model with less community knowledge base
  • Advanced features may require learning curve
  • High-resolution generation may require more computational resources
  • Multi-image consistency features may need careful prompt crafting

Frequently Asked Questions

About Seedream 4.0

Seedream 4.0 represents a breakthrough in AI image generation, developed by ByteDance's innovative research team. This state-of-the-art multimodal model surpasses previous generations in every aspect, delivering unprecedented speed, quality, and consistency for professional creative workflows.

Revolutionary Speed and Quality

What sets Seedream 4.0 apart is its remarkable ability to generate 2K resolution images in just 1.8 seconds, making it the fastest professional-grade AI image generator available today. This breakthrough performance enables real-time creative iterations and dramatically improves productivity for designers, artists, and content creators.

Multi-Modal Excellence

Seedream 4.0 is the first AI model to successfully integrate image generation and editing capabilities into a single, unified architecture. This multimodal approach enables complex creative workflows including knowledge-based generation, advanced reasoning, and perfect reference consistency across multiple outputs.

Professional Applications

From e-commerce product catalogs to marketing campaigns, Seedream 4.0 excels across diverse professional scenarios. Its ability to generate up to 9 matching images simultaneously with perfect consistency makes it ideal for brands requiring cohesive visual identity across multiple touchpoints. The model handles everything from photorealistic product shots to stylized illustrations and abstract compositions.

Advanced Editing Capabilities

The integrated editing system allows for sophisticated modifications using natural language commands. Users can perform background replacement, object manipulation, style transformations, and detailed attribute adjustments while maintaining perfect image coherence and quality throughout the editing process.

Industry Impact

Seedream 4.0 sets new standards for AI image generation, combining the speed needed for production environments with the quality demanded by professional creative work. Its unified architecture approach represents a significant advancement in multimodal AI capabilities, paving the way for more integrated creative workflows.