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Seedream 3
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Model example
Model example
Model example

About

Seedream 3 is a high-resolution bilingual (Chinese/English) text-to-image model built for fast, production-ready image generation. It produces native 2K images (up to 2048 px on the longer side) without upscaling, delivering print- and screen-ready results for posters, mobile visuals, and large-format assets. Typical generation time is about 3 seconds, enabling rapid iteration and near real-time creative workflows. The model excels at rendering accurate layouts, coherent object relationships, and detailed facial expressions and textures. Its advanced text and typography handling makes small fonts, multi-line copy, and UI elements legible and commercially usable — a rare strength for image models. Seedream 3 supports a wide range of visual styles from photorealism and cinematic concept art to anime and illustration, while avoiding common artifacts like unnatural glossiness or stiffness. Practical uses include advertising and branding (fast ad assets, campaign visuals), graphic design and poster production (complex layouts with readable text), UI/UX mockups and marketing screens, and creative content for games and entertainment (concept art, character renders). Because it outputs high-resolution images directly and renders text well, it reduces the need for post-processing or external upscaling — saving time and preserving detail. While highly capable, Seedream 3 can still struggle with extremely dense scenes or very fine-grained text beyond industry-best standards, and its primary language focus is Chinese and English. Overall, Seedream 3 is ideal for designers, marketers, and creatives who need fast, high-fidelity, bilingual image generation for commercial and creative applications.

Percs

High quality
Fast generation
High accuracy

Settings

Aspect Ratio-  Controls the width-to-height ratio of generated images. 16:9 (widescreen) perfect for YouTube thumbnails, presentations, and website banners. 1:1 (square) ideal for Instagram posts, profile pictures, and product photos. 9:16 (portrait) optimized for TikTok, Instagram Stories, and mobile content. 4:3 suited for traditional displays and print materials.
Size-  Quick preset for image dimensions. 'Regular' generates standard 2K images (2048x2048). Use this for quick generation with default settings, or use custom width/height controls for precise dimensions. Different presets optimize generation speed and quality trade-offs.
Width-  Custom image width in pixels. Higher values produce more detailed horizontal resolution but increase generation time. Standard 2048 provides excellent quality for most uses. Maximum depends on model capabilities and aspect ratio constraints.
Height-  Custom image height in pixels. Higher values produce more detailed vertical resolution but increase generation time. Standard 2048 provides excellent quality for most uses. Balance with width to maintain desired aspect ratio.
Guidance Scale-  Controls how closely the generated image follows your text prompt. Lower values (1-5) allow more creative interpretation and artistic freedom but may deviate from prompt details. Medium values (5-10) balance prompt accuracy with aesthetic quality. Higher values (10-20) force strict literal interpretation of prompts but may reduce visual appeal or create artifacts. Recommended: 2.5-7 for most creative work, 10-15 for precise technical requirements.