GPT Image and Seedream: a spec comparison
GPT Image and Seedream work with pictures from text and from references. GPT Image 2 and 2.5 take up to 16 photos in one run, let you pick a quality level and set a custom size, and both versions render 4K. Seedream 5.0 Pro takes up to 10 references and renders 2K, while Seedream 4.5 takes up to 8 and keeps both 2K and 4K with a custom frame size.
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GPT Image and Seedream specs side by side
| Parameter | GPT Image | Seedream |
|---|---|---|
| Developer | OpenAI | ByteDance |
| Versions | GPT Image 2.5 Flare, GPT Image 2.5 Sunburst, GPT Image 2, GPT Image 1.5, GPT-4o Image | Seedream 5.0 Flash, Seedream 5.0 Pro, Seedream 5.0 Lite, Seedream 4.5, Seedream 4 |
| Modes | text to image, edit from photos | text to image, edit from photos |
| Resolution | 1K, 2K, 4K, custom size | 1K, 2K, 4K, 1.5K, custom size |
| Aspect ratios | 1:1, 9:16, 16:9, 3:4, 4:3, 2:3, 3:2, 4:5, 5:4, 21:9 | 1:1, 9:16, 16:9, 3:4, 4:3, 3:2, 2:3, 21:9 |
| References | up to 16 images | up to 10 images |
| Prompt | up to 32,000 characters | up to 5,000 characters |
| Price from | from 2 tokens | from 2 tokens |
When to use GPT Image
- The most references: up to 16 photos in GPT Image 2 and 2.5.
- A choice of quality level: GPT Image 2 has three levels, version 2.5 has five.
- A custom size and 4K in one model: GPT Image 2 and 2.5 give both.
When to use Seedream
- The 5.0 Flash version: 1K, 1.5K and 2K resolutions with 10 references.
- A custom size up to 3072 pixels: Seedream 5.0 Lite offers it.
- The 4.5 version: 2K and 4K in one model and up to 8 references.
Model pages
Frequently asked questions
Which model takes more photos?
GPT Image 2 and 2.5, up to 16. Seedream 5.0 Pro and Flash take up to 10.
Where is 4K available?
In GPT Image 2 and 2.5, and in Seedream 4.5 and Seedream 4. Seedream 5.0 Pro renders 2K.
Does Seedream have quality levels?
In ClickBait, quality levels are a GPT Image option. Seedream has none.
How much does each one cost?
The token price depends on the version and resolution. The generate button shows the exact amount before you start.
How do I know which one fits my task?
Run the same prompt in GPT Image and Seedream, then compare the result and the token cost. The run button shows the amount before you start.