What makes Seedream v4.5 different from v4.0?

Seedream v4.5 offers 30-40% faster generation, significantly improved text rendering, and better identity preservation for characters across different scenes compared to v4.0.

Can I use Seedream 4.5 for commercial projects?

Yes, Seedream 4.5 is designed for professional production, including marketing campaigns, e-commerce product photography, and brand visuals.

How many reference images can I use for consistency?

The model can process up to 14 reference images simultaneously to maintain consistent lighting, character appearance, and style across a batch.

Does it support high-resolution 4K output?

Yes, Seedream v4.5 supports native high-definition output up to 4K (4096px), which is ideal for large-format print and professional digital assets.

Can Seedream v4.5 edit existing images?

Yes, it features a unified architecture that supports inpainting, outpainting, background replacement, and style transfer on existing images.

Is there an API available for developers?

Yes, the Seedream 4.5 API is available through BytePlus and partner platforms like EvoLink, supporting asynchronous workflows and batch processing.

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Images

Freemium

Seedream v4.5

ByteDance's professional 4K AI image generator. Features advanced text rendering, multi-image consistency for characters/products, and unified editing tools for high-fidelity production.

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Rating

Reviews

Upvotes

3 months ago

Listed

Images

AI Image Generator

Text-to-Image

Inpainting

4K Resolution

Character Consistency

Graphic Design

E-commerce

Marketing Tools

ByteDance

Tool information

Provider

ByteDance

Platforms

Web

API

Languages

English

Chinese

API Available

Yes

Added to directory

3 months ago

Last updated

about 1 month ago

Rating

Not available

Pricing

Freemium

About Seedream v4.5

What the tool does and who it's for

Seedream v4.5 is a professional-grade AI image generation and editing model developed by ByteDance. It distinguishes itself through exceptional text rendering, maintaining character and object consistency across multiple references, and producing high-fidelity 4K outputs. The model unifies text-to-image generation with advanced editing capabilities like inpainting, outpainting, and object replacement. Specifically engineered for production-ready workflows, it handles complex tasks such as multi-image composition (processing up to 14 reference images) and precise typography integration, making it a powerful tool for marketing, e-commerce, and cinematic concept art.

Key capabilities

Advanced Text Rendering: Accurately renders complex words, curved text, and multilingual phrases in various font styles.

Multi-Image Consistency: Maintains identical character features and lighting across sequences using up to 14 reference images.

4K High-Resolution Output: Generates crisp, production-ready visuals up to 4096x4096px suitable for print and professional media.

Unified Editing Architecture: Perform inpainting, outpainting, and background swaps within the same model for visual stability.

Cross-Image Consistency Module: A specialized module that computes feature maps across references to ensure structural integrity.

Professional Typography: Designer-level composition ideal for posters, brand visuals, and detailed product packaging mockups.

Fast Inference: Delivers high-quality 2K images in under 2 seconds, significantly faster than earlier diffusion models.

Complex Prompt Adherence: Higher accuracy in following detailed descriptions and combining them with reference image inputs.

Pricing

Freemium — plans below

Free Trial

Limited free credits for new accounts
Access to Seedream 4.5 model
Standard generation speed
Basic editing tools

Pay-as-you-go (API)

Pro Subscription

$24.99/mo

~1000+ high-quality generations
Priority processing
Advanced multi-image fusion
Dedicated customer support

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