Nano Banana and Seedream: a spec comparison
Nano Banana and Seedream make pictures from text and edit photos with references. Nano Banana 2 takes up to 14 references at up to 4K, Nano Banana Pro up to 4 references, also at 4K. Seedream 5.0 Pro and Flash take up to 10 references, Seedream 4.5 up to 8 and renders 4K. A custom frame size is available in Seedream 4.5 and 5.0 Lite.
Updated:
Nano Banana and Seedream specs side by side
| Parameter | Nano Banana | Seedream |
|---|---|---|
| Developer | ByteDance | |
| Versions | Nano Banana 2, Nano Banana Pro, Nano Banana | 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 | 1K, 2K, 4K, 1.5K, custom size |
| Aspect ratios | 1:1, 9:16, 16:9, 21:9, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4 | 1:1, 9:16, 16:9, 3:4, 4:3, 3:2, 2:3, 21:9 |
| References | up to 14 images | up to 10 images |
| Prompt | up to 12,000 characters | up to 5,000 characters |
| Price from | from 4 tokens | from 2 tokens |
When to use Nano Banana
- Many references per run: Nano Banana 2 takes up to 14 pictures.
- The 4:5 and 5:4 formats: Nano Banana has them, Seedream does not.
- Resolutions 1K, 2K and 4K in one model: Nano Banana 2 and Pro work that way.
When to use Seedream
- A custom frame size: you can set it in Seedream 4.5 and 5.0 Lite.
- The 5.0 Flash version: 1K, 1.5K and 2K resolutions, up to 10 references.
- The 4.5 version: 2K and 4K with a custom frame size and up to 8 references per run.
Model pages
Nano Banana
images up to 4K
pictures: up to 14 references
from 4 tokens
Seedream
images up to 4K
pictures: up to 10 references
from 2 tokens
Frequently asked questions
Which one takes more references?
Nano Banana 2, up to 14 pictures. Seedream takes up to 10, in the 5.0 Pro and Flash versions.
Where is 4K available?
In Nano Banana 2 and Nano Banana Pro, and in Seedream 4.5 and Seedream 4.
Can I set a custom frame size?
Yes, in Seedream 4.5 and 5.0 Lite. In Nano Banana you pick the format from a ready list.
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 Nano Banana and Seedream, then compare the result and the token cost. The run button shows the amount before you start.