Image generation model by ByteDance. Up to 4K, improved face and text rendering, up to 14 references, multi-image fusion and 8 aspect ratios
Photorealistic portrait of a young woman in golden hour light, soft bokeh, warm autumn tones, 4K

Powerful image generation model by ByteDance with improved scene understanding and detail
Two quality modes: basic (2K) for fast generation and high (4K) for maximum detail and print quality
Detailed facial features, realistic skin and natural expressions — perfect for portrait generation
Upload up to 14 reference images to create consistent series with unified style and composition
Improved understanding of 3D scene structure — accurate object placement, perspective and depth
Generate readable text inside images — signs, labels, logos and typography
Edit mode: upload an image and describe changes — lighting, style, composition, objects
4 simple steps to create images with Seedream 4.5
Write a detailed prompt in any language or upload up to 14 reference images for style control.
Choose aspect ratio from 8 options and generation quality: basic (2K) or high (4K).
ByteDance Seedream 4.5 generates an image with realistic details, accurate faces and text.
Download the finished high-resolution image. Use it as a template for future generations.
How to get the best results with Seedream 4.5
What Seedream 4.5 is perfect for
Realistic portraits with detailed facial features, natural skin and professional lighting
Commercial product photography for catalogs, marketplaces and advertising campaigns
Interior visualization, architectural concepts and space design with realistic lighting
Unique photorealistic visuals for posts, Stories and advertising creatives
Consistent visual series with unified style through multi-image fusion from multiple references
Cinematic shots, concept art, stylizations and artistic experiments in any genre
Professional image generation at an affordable price
Resolution: 2K (basic) or 4K (high)
T2I and Edit = 2 credits per generation
Cost depends on selected plan View plans
How Seedream 4.5 compares to other image generation models
| Parameter | Seedream 4.5 | FLUX 2 Pro | Imagen 4 | Nano Banana Pro |
|---|---|---|---|---|
| Max resolution | 4K | 2K | 2K | 4K |
| Max references | Up to 14 | Нет | До 4 | До 10 |
| Price | from 2 credits | от 2 кредитов | от 2 кредитов | от 1 кредита |
| Face quality | Excellent | Good | Good | Good |
| Image editing | Yes | No | Yes | Yes |
| Spatial reasoning | Yes | Average | Good | Good |
Answers to popular questions about Seedream 4.5
Seedream 4.5 is an image generation model by ByteDance. Creates photorealistic images up to 4K with improved face and text rendering, supports up to 14 reference images and multi-image fusion.
Seedream 4.5 surpasses V4 in face quality, text accuracy and spatial reasoning. Supports up to 14 references (V4 — up to 10), 4K output and improved scene structure.
Two modes: basic (2K, ~30-60 sec) and high (4K, ~60-90 sec). 8 aspect ratios supported: 1:1, 4:3, 3:4, 16:9, 9:16, 2:3, 3:2 and 21:9.
Upload up to 14 images for multi-image fusion — the model creates a new image with consistent style, composition and object identity from your references.
One image generation (T2I or Edit) costs 2 credits regardless of quality (basic or high). See the pricing page for details.
Upload an image and describe desired changes. The model adjusts lighting, structure, composition, style or adds/removes objects. Supports up to 14 input images.
The model is specifically optimized for face rendering: detailed features, realistic skin texture, natural expressions. Ideal for portrait photography.
Basic (2K) — 30-60 seconds, High (4K) — 60-90 seconds. Results arrive automatically, you can continue working during generation.