Free Seedream 4.0 AI Image Generator & Editor by ByteDance Online

Try our Seedream 4.0 AI image generator for free in EaseMate AI to enjoy ultra-fast batch processing and multimodal image generation and editing online. Upload an image or enter text to breathtaking 4K results in seconds.

Image to Image

Text to Image

Upload up to 5 images

Click or drop an image here JPG, JPEG, PNG or WEBP up to 10 MBChoose File

Output Aspect Ratios

3:2

2:3

1:1

Prompt

Output Format

JPEG

Sample image

Web App

Add to Chrome

Why Choose Seedream 4.0 AI Image Generator in EaseMate AI

As the latest multimodal AI generation model in ByteDance, Seedream 4.0 allows you to convert text or images into group pictures with high consistency and resolution. Now, access our free Seedream 4.0 AI image generator online to generate or edit images precisely online!

Generate and Edit Images with Seedream 4.0 for Free

Our Seedream 4.0 image generator is 100% free and doesn’t require sign-up, so you can generate or edit images right away. Upload an image or type your vision, and it will produce stunning 4K outputs in seconds. Whether you’re creating engaging social posts, personal artwork, or marketing visuals, Seedream 4.0 makes unlimited creativity free, easy, and efficient.

Instant 4K Image Generation with Lightning-Fast Speed

Creating crisp, realistic images has never been faster with Seedream 4.0 AI image maker. Built on the Mixture of Experts architecture, it processes 2K visuals in about 1.8 seconds and supports 4K resolution seamlessly. Compared to models like Nano Banana, it offers superior efficiency, consistency, and definition while keeping outputs rich in detail and realism.

Multiple Reference Input and Batch Generation in One Time

Unlike other AI image generators, our free Seedream 4.0 AI image generator supports both multiple reference image input and batch generation. This means that you can upload several images at once, and then Seedream 4.0 will create multiple coherent images simultaneously. Therefore, you can produce batch high-quality artwork without manual repetitive edits. Every output maintains consistent style, lighting, and character, making it perfect for projects like brand visuals, storyboards, or character design.

Multimodal AI Image Generator for Seamless Creation and Editing

Combining with text to image generation and image to text editing, this multimodal platform lets you build visuals from scratch or refine existing ones. Describe your vision to generate original art or upload images for tailored editing. Instead of switching bettwen different editing software or tools, you can now generate and edit multiple images with Seedream 4.0 in one interface, which saves much time and boosts efficiency.

How to Use Seedream 4.0 AI Image Generator in EaseMate AI?

Step 1

Choose the mode

There are 2 modes for you: Image to Image and Text to Image. The former allows you to edit an uploaded image, and the latter gives you the capability to generate images from text.

Step 2

Describe your idea

Type the changes you want to make to the image or describe the image you want to generate in simple words. Click "Prompt Enhance' to make your prompt more effective for better results.

Step 3

Download and share

Click "Generate" and then Seedream 4.0 will turn your ideas into high-resolution and watermark-free images. You can download it for free or share it with your friends on social media.

FAQs of Seedream 4.0 AI Image Generator by EaseMate AI

What is Seedream 4.0?

Seedream 4.0 is ByteDance's latest image generation and editing model that can output up to 4K resolution. Based on the MoE architecture, this multimodal AI model can handle both image and text input and generate high-quality images with unmatched speed.

How does this Seedream 4.0 AI image generator work?

Powered by ByteDance's advanced multimodal AI image model, our free Seedream 4.0 image generator is designed to generate and edit images with fast and high-resolution quality. There's no hassle of sign-up or financial barriers. Everyone can create several stunning images at one time while maintaining high consistency.

Can I use Seedream 4.0 for free?

Sure. To use ByteDance's multimodal AI model for free, you can try the online Seedream 4.0 AI image editor and generator in EaseMate AI. With no sign-up or subscription, you can experience all its features at no cost.

How is Seedream 4.0 different from Nano Banana?

According to ByteDance's internal evaluation benchmark MagicBench, Seedream 4.0 outperforms Nano Banana for stronger performance in prompt adherence, alignment, and aesthestics. It can produce images with higher quality (up to 4K resolution), batch processing, and more creative and artistic transformations. However, Nano Banana focuses more on realistic edits and doesn't support multiple images in a single batch. After several edits, there might be a drop in resolution compared to the original source, which might not appear in Seedream 4.0.

Can Seedream 4.0 generate multiple consistent images at once?

Of course! Seedream 4.0 is known for its batch generation technology, which can create a set of up to 9 coherent images in a single run. The perfect visual consistency across all outputs make this AI image model ideal for ecommerce, storyboading, branding, and more, which require cohesive visual elements and controlled variations.

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