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ByteDance Seed · image model · Released Sep 9, 2025

Seedream 4.0

Seedream 4.0 is an image model from ByteDance Seed, released Sep 9, 2025. It handles text to image and image editing.

  • Image model
  • Proprietary
  • Text to image
  • Image editing
Arena score
1,267#34 of 61 · image editing
Starting price
—Not published
Largest size
—Not published
References
Yesinput images for editing
Quality & price

How it rates and what it costs

Text to image arena
1,139 ±7#40 of 82 · 12,563 votes
Image editing arena
1,267 ±7#34 of 61 · 210,031 votes

Arena scores come from blind, side-by-side human votes on the same prompts (higher is better; ± is the 95% range). Boards updated Oct 26, 2026 and Oct 27, 2026.

Specifications

The details

Lab
ByteDance Seed
Type
Image model
Released
Sep 9, 2025
Inputs
Text prompts, Reference images
Output
Images
Can do
Text to image, Image editing
Weights
Proprietary
Availability
1 API host
Same lab

More image models from ByteDance Seed

Questions

About Seedream 4.0

How good is Seedream 4.0?

In blind side-by-side votes, Seedream 4.0 scores 1,139 for text to image (#40 of 82) and 1,267 for image editing (#34 of 61). Higher is better; scores within about 14 points of each other are effectively tied.

Who makes Seedream 4.0?

Seedream 4.0 is an image model from ByteDance Seed, released Sep 9, 2025.

What can Seedream 4.0 do?

Seedream 4.0 accepts text prompts and reference images and produces images. In practice: text to image and image editing.

Is Seedream 4.0 open source?

No. Seedream 4.0 is proprietary; you use it through an API or partner apps.

Where can I use Seedream 4.0?

It is listed by 1 API host we track.

What are the alternatives to Seedream 4.0?

The closest image models from other labs, by release date, are Qwen-Image (Alibaba (Qwen), Aug 7, 2025), GPT-5 Image (OpenAI, Oct 14, 2025), FLUX.2 [pro] (Black Forest Labs, Nov 25, 2025) and Lucid Origin (Leonardo.Ai, Jun 1, 2025).