Seedream 4.5
Seedream 4.5 builds on Seedream 4 with enhanced spatial understanding, deeper world knowledge, and support for up to 14 reference images.
Overview
| Property | Value |
|---|---|
| Provider | ByteDance |
| Cost | 70 credits |
| Modality | Image |
| Reference Images | Up to 14 |
| Prompt Required | Yes |
What It's Best For
- Complex scenes — Better understanding of spatial relationships
- Real-world accuracy — Enhanced knowledge of objects and contexts
- Multi-reference consistency — Up to 14 reference images
- 4K output — Ultra-high resolution
- Sequential generation — Create image series
Inputs
Prompt (Required)
Describe the image you want to generate.
Connection Color: 🟡 Yellow
Reference Images (Optional)
Up to 14 images for single or multi-reference generation.
Connection Color: 🟢 Green
Configuration
Size
Type: Select
Default: 2K
| Option | Description |
|---|---|
| 2K | 2048px - Balanced |
| 4K | 4096px - Maximum detail |
| Custom | Specific dimensions |
Width / Height (Custom)
Type: Slider
Range: 1024 - 4096
Step: 64
Aspect Ratio
Type: Select
Default: Match Input Image
Full range of standard aspect ratios.
Sequential Generation
Type: Select
Default: Disabled
Generate multiple related images automatically.
Max Images
Type: Slider
Range: 1 - 15
Default: 1
Output
Type: Image
Connection Color: 🟢 Green
Use Cases
Complex Scene
Busy Tokyo street at night, neon signs, crowds of people,
accurate Japanese text on signs, wet pavement reflections,
cinematic lighting.
Character Consistency
Connect 14 reference images:
Show this character in a new scene: sitting at a desk
in a modern office, maintaining exact appearance and style.
Architectural Visualization
Modern minimalist kitchen interior, marble countertops,
integrated appliances, natural light from large windows,
accurate proportions and perspective.
Product in Context
Luxury watch on a businessman's wrist, office setting,
natural hand position, realistic fabric texture on suit.
Enhanced Capabilities
Spatial Understanding
Seedream 4.5 better understands:
- Object placement and relationships
- Perspective and depth
- Scale and proportions
- Physical interactions
World Knowledge
Improved accuracy for:
- Real-world objects and brands
- Cultural elements and contexts
- Technical and scientific subjects
- Historical and geographical accuracy
Tips for Best Results
- Leverage 14 references — Maximum consistency potential
- Use for complex scenes — Benefits from spatial understanding
- Be detailed about placement — "on the left", "in front of"
- Trust world knowledge — Model knows real objects well
- Use sequential for series — Great for related images
Comparison
| Feature | Seedream 4.5 | Nano Banana Pro | Flux 2 Flex |
|---|---|---|---|
| Cost | 70 credits | 600 credits | 20 credits |
| Max References | 14 | 14 | 10 |
| Max Resolution | 4K | 4K | 4MP |
| Sequential Gen | ✅ | ❌ | ❌ |
Related Models
- Seedream 4 — Original version
- Nano Banana Pro — Premium alternative
- Flux 2 Pro — Different approach