Seedream 4.0/4.5
Seedream 4.0/4.5 are next-generation multimodal generative AI frameworks developed by ByteDance's Seed team, focusing on image generation and editing. Version 4.0 lays the core foundation for lightweight deployment and multi-scenario adaptation, while Version 4.5 achieves comprehensive upgrades in detail precision, cross-image consistency, and more, providing professional-grade image generation solutions for users with different needs.
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What is Seedream 4.0/4.5
Seedream 4.0/4.5 are multimodal interactive generative AI frameworks launched by ByteDance, supporting core functions such as text-to-image generation and image-to-image editing. They can output 4K resolution images, catering to both academic research and industrial commercial needs, and enabling low-cost, large-scale application in various image creation scenarios. Seedream 4.0 was released in September 2025, focusing on lightweight deployment and basic generation capabilities; Seedream 4.5 was launched in December 2025, concentrating on image detail optimization and complex scenario adaptation as an upgraded iteration of Version 4.0.
Why Choose Seedream 4.0/4.5
Compared with other image generation AI models, the Seedream series has irreplaceable core advantages, with different versions adapting to different usage needs:
Seedream 4.0
- ✓Lightweight deployment: 75% model size reduction with only 1% precision loss, operable on consumer-grade GPUs and even ARM-based edge devices
- ✓Cost advantage: Lower deployment costs, suitable for small and medium-scale usage scenarios, balancing cost-effectiveness and basic generation capabilities
- ✓Multi-scenario adaptation: Open modular plug-in system, adaptable to multiple industry needs such as e-commerce, intelligent manufacturing, and digital humans
- ✓Batch generation capability: Supports multi-reference image input to ensure element consistency in series creations
Seedream 4.5
- ✓Excellent detail performance: Maximizes retention of facial features, light and shadow, and color tones of original images, achieving professional photo editing software quality
- ✓Strong cross-image consistency: Newly added cross-image consistency module ensures high unity of core elements in series images
- ✓Upgraded text layout: Enhanced layout rendering for scenarios like posters and logos, with clear and legible small text and more professional composition
- ✓Efficient processing of complex scenarios: Supports superposition of complex modifiers, achieving professional photography standards in color saturation and texture
How to Use Seedream 4.0/4.5
Seedream 4.0/4.5 provide user-friendly interaction methods that can be quickly mastered without professional technical background:
- 1Select version: Choose Seedream 4.0 (focused on lightweight and cost-effectiveness) or Seedream 4.5 (focused on high precision and complex scenarios) based on your needs
- 2Input instructions: Support text description input and reference image upload, and you can add detailed modifiers (such as color saturation, material, light and shadow effects, etc.)
- 3Parameter settings: Adjust basic parameters such as image resolution, generation quantity, and style preferences as needed
- 4Generate and edit: Generate images with one click, support secondary editing from image to image, and repeatedly optimize until the desired effect is achieved
- 5Export and use: The generated 4K resolution images can be directly exported, suitable for multi-scenario use such as web pages, printing, and broadcasting
Applicable Scenarios for Seedream 4.0/4.5
- •E-commerce field: Batch generation of product images, production of detail page materials, brand poster design
- •Content creation: Digital human image generation, self-media image creation, artistic work creation
- •Commercial design: Exhibition posters, wedding invitations, brand logo design
- •Intelligent manufacturing: Industrial quality inspection image synthesis, product prototype visualization
- •Media communication: Production of broadcast-level image materials, design of web visual elements
Seedream 4.0 vs 4.5 Core Differences
The two versions have different positioning, with the following core differences:
- →Cost and deployment: Version 4.0 has lower deployment costs and a more lightweight model; Version 4.5 has higher model precision and slightly higher hardware requirements than 4.0
- →Detail performance: Version 4.0 meets basic image generation needs with moderate detail performance; Version 4.5 far surpasses 4.0 in details such as facial features, light and shadow, and materials, reaching professional photo editing standards
- →Consistency capability: Version 4.0 is prone to information interference in multi-reference image generation; Version 4.5 adds a cross-image consistency module, significantly improving the unity of series images
- →Layout capability: Version 4.0 only supports basic text layout; Version 4.5 enhances professional layout capabilities, adapting to more design scenarios
- →Usage scenarios: Version 4.0 is suitable for small and medium-scale, basic image generation needs; Version 4.5 is suitable for complex scenarios such as commercial design and high-precision creation
Experience Seedream 4.0/4.5 Now
Embark on a professional-grade AI image generation journey. Whether for low-cost and efficient creation or high-precision commercial design, Seedream 4.0/4.5 can meet your needs!
No complex configuration required, generate 4K high-definition images with one click
Start Using SeedreamFrequently Asked Questions
Can I use Seedream 4.0 and 4.5 at the same time?
Yes, you can switch between the two versions according to different creation needs. For example, use 4.0 for basic material generation and 4.5 for high-precision commercial design. The platform supports quick version switching.
What is the image resolution generated by Seedream?
Both Seedream 4.0 and 4.5 support outputting images up to 4K resolution, which can meet the clarity requirements of various scenarios such as web display, print production, and broadcast communication.
Do I need professional AI knowledge to use Seedream?
No, Seedream provides an easy-to-understand interface. You can complete image generation just by entering text descriptions or uploading reference images, and even beginners can get started quickly.
What exactly can Seedream's cross-image consistency function achieve?
Cross-image consistency is a core upgrade of Version 4.5. When generating a series of images on the same theme, it can accurately lock elements such as character identity, clothing details, and scene lighting, ensuring high unity of multiple images.
Which devices does Seedream 4.0's lightweight deployment specifically support?
Optimized through technologies such as operator fusion and dynamic quantization, Seedream 4.0 can run on consumer-grade GPU devices like RTX 4090 and also adapt to ARM-based edge devices, with flexible deployment methods.