Seedream V4.5 AI Image Generator and API

Seedream V4.5 is ByteDance's refined image generation model with improved detail rendering, stronger composition control, and consistent multi-reference editing across 10 aspect ratios.

Run with API
Model type
24H Status Monitor
Success:--
Input
(Required)
0/5000
Ideas:
Aspect Ratio
auto
1:1
16:9
9:16
4:3
3:4
Output
Seedream V4.5 API Pricing
Linear pricing · 1 USD = 100 credits
Model & ModalityCredits / SecPrice (USD)
seedream_v4_5(per call)3.2$0.0320

Run Seedream V4.5 API With Refined Detail Control On AI Reiter

Try Seedream V4.5 online with a generation workspace, multi-reference editing, and API-ready parameters for detailed illustrations, product scenes, and brand visuals across 10 aspect ratios.
Seedream V4.5 AI image generation preview

Key Capabilities of Seedream V4.5 API on AI Reiter

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Refined Detail Rendering In Seedream V4.5 API

Seedream V4.5 API improves texture, lighting, and fine detail over Seedream V4, producing cleaner edges, more natural skin and material surfaces, and richer scene depth for demanding visuals.

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Basic And High Quality Tiers

Choose the basic tier for fast, cost-efficient drafts or the high tier for final renders. The same prompt and references work across both, so upgrading quality is a one-parameter change.

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Ten Aspect Ratios From 1:1 To 21:9

Seedream V4.5 API supports 1:1, 3:2, 2:3, 4:3, 3:4, 5:4, 4:5, 16:9, 9:16, and 21:9 — covering social, e-commerce, web heroes, and ultra-wide formats from one workflow.

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Up To 9 Reference Images For Consistent Series

Pass up to 9 reference images to keep characters, products, and styles consistent. Seedream V4.5 API blends references with prompts for controlled, repeatable image-to-image editing.

Create Refined Brand Visuals with Seedream V4.5 API

Composition Control With Seedream V4.5 AI Image Model

Seedream V4.5 follows layout and framing instructions closely — subject placement, negative space, and camera angle land where the prompt puts them, reducing retries in design workflows.
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Consistent Characters Across A Campaign

Using multi-reference input, Seedream V4.5 API keeps the same character or product identity across different scenes, poses, and aspect ratios for cohesive campaign assets.
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Illustration And Photoreal Styles In One API

From flat illustration to photorealistic product scenes, Seedream V4.5 API switches styles by prompt while keeping detail quality stable in both directions.

Quick Start with Seedream V4.5 API Online Test

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Try Seedream V4.5 AI Image Generator in AI Reiter Playground

Start in the AI Playground to try Seedream V4.5 without setup. Enter a prompt, add optional reference images, pick a quality tier and aspect ratio, and preview results instantly.

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Get API Access for Seedream V4.5 API Integration

Create an API key in the AI console to enable Seedream V4.5 API access. Review the quick API docs for required parameters, reference inputs, and quality tiers.

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Send Your First Request with Seedream V4.5 API

Submit a generation request with prompt, optional image_url references, resolution tier, and aspect_ratio. Poll the task status and receive refined image output for your products and pipelines.

Frequently Asked Questions

What is Seedream V4.5 by ByteDance?

Seedream V4.5 is ByteDance's refined AI image generation model with improved detail rendering, stronger composition control, and consistent multi-reference editing across ten aspect ratios.

What is the difference between the basic and high tiers in Seedream V4.5 API?

The basic tier is optimized for speed and cost during drafting. The high tier produces finer detail and cleaner rendering for final delivery. Both accept the same prompts and references.

How many reference images does Seedream V4.5 API accept?

Up to 9 reference images per request, enabling consistent characters, products, and styles across a series of generations.

What aspect ratios does Seedream V4.5 API support?

Ten ratios: 1:1, 3:2, 2:3, 4:3, 3:4, 5:4, 4:5, 16:9, 9:16, and 21:9.

How is Seedream V4.5 different from Seedream V4?

Seedream V4.5 refines detail rendering and composition control with quality tiers, while Seedream V4 offers 1K-4K pixel resolutions and batch output of up to 4 images per request.

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