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Discover what makes Seedream 4.5 exceptional
Dramatically Improved Text Rendering
Seedream 4.5's standout capability is its breakthrough text rendering. Handle multi-line text layouts, various font styles, special characters, and accurate spelling in generated images — addressing a persistent weakness in AI image generation. Perfect for posters, marketing materials, and graphics with dense text.
Enhanced Image Quality Up to 4K Resolution
Generate stunning images up to 4K resolution (4096×4096 or 4704×4704) with improved lighting, shadows, and realistic textures. Seedream 4.5 delivers better facial detail in distant and crowd shots, improved color accuracy, and reduced artifacts for truly photorealistic results.
Consistency & Multi-Reference Preservation
Maintain consistency across multiple generations with accurate subject identification in multi-image editing. Seedream 4.5 preserves facial features, lighting, color tone, and other details from reference images, supporting up to 10 reference images for stronger identity retention.
Unified Generation & Editing Architecture
Seedream 4.5's unified architecture seamlessly merges generation and prompt-based editing. Create from text or upload images for precise edits via simple commands. Advanced prompt understanding and style control enable professional workflows with minimal effort.
Frequently Asked Questions
Everything you need to know about Seedream 4.5
Seedream 4.5 is ByteDance's latest flagship AI image generation and editing model, released in December 2025 as the successor to Seedream 4.0. It ranks on the LM Arena leaderboard and features dramatically improved text rendering, 4K resolution support, and enhanced multi-reference consistency.
Seedream 4.5 brings major improvements: dramatically better text rendering for multi-line layouts and special characters, higher resolution support up to 4704×4704, improved facial detail in distant shots, better color accuracy, support for up to 10 reference images, and overall reduced artifacts.
Seedream 4.5 handles multi-line text layouts, various font styles, special characters, and maintains accurate spelling — a persistent challenge for AI image models. This makes it ideal for creating posters, marketing materials, and any visual content requiring readable text.
Seedream 4.5 supports resolutions up to 4K, with maximum dimensions of 4096×4096 or 4704×4704 pixels. This high-resolution output is suitable for print materials, large displays, and professional commercial applications.
You can provide up to 10 reference images to Seedream 4.5. The model accurately identifies main subjects and preserves facial features, lighting, color tone, and other details across generations, ensuring consistent visual identity for series, branding, and character-based projects.
Yes. Seedream 4.5's unified architecture supports both generation and prompt-based editing. Upload an image and use text commands to make precise edits while the model preserves the original style and unmodified elements.
You can try Seedream 4.5 and its advanced text rendering capabilities on Cuty.ai with our free trial credits. For extensive use, 4K generation, and premium features, we offer various subscription plans.