ByteDance Seed · image model · Released Dec 3, 2025Seedream 4.5
Seedream 4.5 is an image model from ByteDance Seed, released Dec 3, 2025. It handles text to image and image editing.
- Arena score
- 1,303#27 of 61 · image editing
- Starting price
- —Not published
- Largest size
- —Not published
- References
- Yesinput images for editing
How it rates and what it costs
- Text to image arena
- 1,149 ±3#35 of 82 · 318,120 votes
- Image editing arena
- 1,303 ±2#27 of 61 · 1,361,328 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.
The details
- Lab
- ByteDance Seed
- Type
- Image model
- Released
- Dec 3, 2025
- Inputs
- Text prompts, Reference images
- Output
- Images
- Can do
- Text to image, Image editing
- Weights
- Proprietary
- Availability
- 1 API host
More image models from ByteDance Seed
About Seedream 4.5
How good is Seedream 4.5?
In blind side-by-side votes, Seedream 4.5 scores 1,149 for text to image (#35 of 82) and 1,303 for image editing (#27 of 61). Higher is better; scores within about 6 points of each other are effectively tied.
Who makes Seedream 4.5?
Seedream 4.5 is an image model from ByteDance Seed, released Dec 3, 2025.
What can Seedream 4.5 do?
Seedream 4.5 accepts text prompts and reference images and produces images. In practice: text to image and image editing.
Is Seedream 4.5 open source?
No. Seedream 4.5 is proprietary; you use it through an API or partner apps.
Where can I use Seedream 4.5?
It is listed by 1 API host we track.
What are the alternatives to Seedream 4.5?
The closest image models from other labs, by release date, are FLUX.2 [pro] (Black Forest Labs, Nov 25, 2025), GLM-Image (Z.ai (Zhipu), Jan 14, 2026), GPT-5 Image (OpenAI, Oct 14, 2025) and Grok Imagine Image (xAI, Jan 28, 2026).