Seedream 4.5
ByteDance · AI imageSeedream 4.5 is ByteDance's advanced AI image generation model, released in late 2025. It excels at typography and text-in-image rendering, supports up to 4K resolution (e.g. 4096×4096), and maintains strong consistency across multiple reference images (e.g. up to around 14). The model has been ranked highly on leaderboards for professional creative work and is designed for e-commerce, film and advertising, gaming, education, and branded content.
VidMachine offers Seedream 4.5 so you can create professional visuals for thumbnails, start frames, and image-heavy projects with accurate text and high fidelity. When your content depends on legible text, multiple reference images, or 4K output, Seedream 4.5 is a strong choice. It also supports precise image editing—swapping backgrounds, adjusting lighting, changing outfits—while preserving composition.
ByteDance has emphasized the cross-image consistency module that achieves high facial and identity consistency across dynamic camera shifts and angles. That makes Seedream 4.5 suitable for serial content and character-driven workflows where the same subject appears in many images.
Key features and benefits
Text rendering and typography
Seedream 4.5 generates accurate, readable text inside images—multiple elements, varied fonts, curved or rotated text, and multilingual content. It addresses the garbled-text problem common in other AI image models and is well suited for infographics, captions, and branded graphics. You can request specific headlines, labels, or body text and get coherent typography. This capability opens up use cases that traditionally required manual design or post-production text overlay.
High resolution
The model outputs images up to 4K (e.g. 4096×4096), with flat-rate pricing in many APIs. You get print and high-DPI ready assets without extra resolution tiers. When you need images that will be viewed at full size on large screens or printed, Seedream 4.5's resolution headroom is an advantage. For web and social, you can downscale as needed while retaining detail.
Multi-image consistency
Seedream 4.5 can process many reference images at once (e.g. up to around 14) while keeping subjects, lighting, and style consistent. A cross-image consistency module helps maintain facial and identity coherence across angles and scenes. This is valuable for character sheets, product series, and any workflow where you need the same person or object in multiple images with consistent appearance. The model can also use references for style transfer—apply the look of one image to the content of another.
Image editing
The model supports precise editing of existing images: swapping backgrounds, adjusting lighting, changing outfits, and shifting style while preserving composition. This is useful for iterations and variants—for example, the same pose with different clothes or the same product in different environments. You can refine an image without regenerating from scratch.
Aesthetics and identity
Lighting, shadows, and textures are refined for a cinematic look. The model handles distant faces and identity retention across variations and angles more reliably than many predecessors. When you need a consistent character or spokesperson across a set of images, Seedream 4.5's consistency features and aesthetic quality help maintain a professional, coherent look.
Technical specifications
ResolutionUp to 4K (e.g. 4096×4096)
Reference imagesUp to ~14 with consistency
StrengthsText rendering, multi-image consistency, editing
Use casesE-commerce, film/advertising, gaming, education, product, storyboards
Use cases and applications
Seedream 4.5 targets professional workflows: e-commerce, film and advertising, gaming, education, interior design, product photography, storyboards, character creation, and branded marketing. Use it when text accuracy, resolution, and consistency across multiple images matter. Thumbnails and start frames that include text (titles, labels, captions) benefit from its typography; character-driven series benefit from multi-reference consistency.
On VidMachine, Seedream 4.5 fits projects where you need the best possible text-in-image quality and optional 4K output. It uses a moderate credit cost per image—more than Grok Image or Nano Banana, often less than Flux 2 Pro—so it sits in the middle of the quality-cost spectrum. Choose it when your creative brief demands legible text or high-resolution delivery.
Why this model
Seedream 4.5 is positioned for professional creative work with best-in-class text rendering and 4K output. On VidMachine it uses a moderate credit cost per image and is a strong choice when you need legible text and high-resolution, consistent visuals. If your content is text-heavy (infographics, captioned thumbnails, branded graphics), Seedream 4.5 is one of the best options.
For purely photorealistic images without text or multi-reference needs, Grok Image or Nano Banana 2 may be sufficient. For maximum multi-reference control and editing in one pipeline, Flux 2 Pro is the alternative. Seedream 4.5 excels in the intersection of text, resolution, and consistency.
How VidMachine uses it
Select Seedream 4.5 in your project's image model priority on VidMachine. It is used to generate images for AI Video start frames and AI Images projects. See Pricing and Docs for credit usage.
Each image uses a set number of credits. Seedream 4.5 is a mid-tier option in cost—use it when your brief requires its strengths in text, resolution, or consistency.
What you should know
Does Seedream 4.5 render text correctly?
Yes. Exceptional text and typography in images are a core strength of Seedream 4.5.
What resolution can Seedream 4.5 output?
Seedream 4.5 supports up to 4K (e.g. 4096×4096 pixels).
How are Seedream 4.5 credits charged on VidMachine?
Each image uses a set number of credits. See the Pricing page for current rates.