Seedream 4.5 is an AI image generator and photo editor from ByteDance Seed that creates high-consistency visuals with sharp text typography and precise reference preservation.
What is Seedream 4.5?
Seedream 4.5 is a new-generation image creation model developed by ByteDance Seed, accessible via a web platform at seedream4-5.com. It takes text prompts and optional reference images as input and generates high-quality edited or original images. The model excels at subject locking across multiple images, preserving fine details, and rendering dense text in designs.
Key Features
- High-Consistency Outputs — Generate cohesive campaign visuals with stable subject identity, lighting, and tone across multiple images, reducing random variations.
- Pro Typography for Dense Text — Render readable small text in posters, logos, and brand visuals with deliberate layout and typography-focused composition.
- Multi-Image Subject Locking — Provide multiple reference images; Seedream 4.5 reliably identifies and maintains the main subject across outputs for character sheets, product series, and campaign assets.
- AI Image Editing — Edit existing images using natural language descriptions while preserving facial details, lighting, color tone, and texture.
- Reference-Based Generation — Use style or subject references to keep consistent visual identity across generations.
- Text-to-Image Generation — Generate images from minimal to detailed prompts with improved instruction following and aesthetic quality.
Who should use Seedream 4.5?
- Brand designers — Create typography-heavy poster layouts, brand kits, and marketing materials with readable small text.
- E-commerce marketers — Generate consistent product visuals across full ad sets, ensuring identical product appearance in dozens of variations.









