# Seedream 4.5 (251128)

> ByteDance image generation model for text-to-image, multi-reference editing and batch image generation.

## Key facts

- Model author: ByteDance
- Price: $0.04 per image
- Input modalities: image, text
- Output modalities: image
- Released: 2025-11-28
- Model IDs: `byteplus/seedream-4-5-251128`
- Model page: https://www.realrelay.ai/model/bytedance/seedream-4-5-251128

## Overview

Seedream 4.5 (251128) is an image generation model from ByteDance. BytePlus lists single-image generation, covering text-to-image, single-image-to-image and multi-reference image-to-image, and batch generation from text, from a single image or from multiple reference images. It returns images that follow the written prompt and any reference pictures supplied.

It accepts text and image input and returns images. It was released on November 28, 2025.

## Capabilities

Seedream 4.5 (251128) accepts text and image input and returns images. Single-image modes are text-to-image, single-image-to-image and multi-reference image-to-image, where several reference images guide one result.

Batch image generation produces a set of images in one request, from text, from a single image or from multiple reference images.

## Pricing

Seedream 4.5 (251128) is priced at $0.04 per image.

Seedream 4.5 (251128) is available through RealRelay's OpenAI-compatible API.

## Use cases

Use Seedream 4.5 (251128) for product imagery and marketing visuals, generating images from a text description or restyling a product photo supplied as a reference.

Batch generation suits producing a consistent set of variations at once, such as a series of poster concepts, and multi-reference input helps combine a character, a style and a scene in one image.

## FAQ

### What is Seedream 4.5 (251128)?

Seedream 4.5 (251128) is a ByteDance image generation model that supports text-to-image, single-image and multi-reference image-to-image, and batch image generation.

### How much does Seedream 4.5 (251128) cost?

Seedream 4.5 (251128) costs $0.04 per image through RealRelay's OpenAI-compatible API.

### What inputs and outputs does Seedream 4.5 (251128) support?

Seedream 4.5 (251128) accepts text and image input and returns images.

### Can Seedream 4.5 (251128) generate several images at once?

Yes. BytePlus lists batch image generation for Seedream 4.5 (251128), from text, from a single image or from multiple reference images.

### When was Seedream 4.5 (251128) released?

Seedream 4.5 (251128) was released on November 28, 2025.

### How do I call Seedream 4.5 (251128) via the API?

Send requests to RealRelay's OpenAI-compatible API with the model ID byteplus/seedream-4-5-251128 to use Seedream 4.5 (251128).