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Seedream 4.5
Seedream 4.5 AI Image Generator
2K / 4K generation and reference editing with Seedream 4.5.
Seedream 4.5 on Picverse โ proven ByteDance edit pipeline with up to 14 references and 4K output.
ByteDance2K / 4KReference EditPhotoreal
Prompt
AI Enhance
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Model
Aspect Ratio
Output Number
Resolution
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Seedream 4.5 for high-resolution editing
Reliable reference editing at 2K and 4K resolutions.
4K generation
Large-format output for print-adjacent and high-DPI digital assets.
Reference editing pipeline
Strong image-to-image performance for templates, restyling, and product variations.
Flexible aspect ratios
Wide ratio support including 21:9 for banners and cinematic crops.
Production proven
Mature Seedream 4.x stack used across e-commerce and creative teams.
Explore other models
Switch between top image models in one generator.
Seedream 5.0 is the newer cinematic default. Seedream 4.5 remains excellent for 4K reference editing workflows.