FLUX and Nano Banana: a spec comparison
FLUX and Nano Banana make pictures from text and edit ready photos. FLUX.2 takes up to 8 references and renders 1K or 2K, while Flux Kontext takes one picture and is built for editing. Nano Banana 2 takes up to 14 references and renders 4K, and Nano Banana Pro renders 4K too. The 4:5 and 5:4 formats exist only in Nano Banana.
Updated:
FLUX and Nano Banana specs side by side
| Parameter | FLUX | Nano Banana |
|---|---|---|
| Developer | Black Forest Labs | |
| Versions | FLUX.2, Flux Kontext | Nano Banana 2, Nano Banana Pro, Nano Banana |
| Modes | text to image, edit from photos | text to image, edit from photos |
| Resolution | 1K, 2K | 1K, 2K, 4K |
| Aspect ratios | 1:1, 9:16, 16:9, 3:4, 4:3, 3:2, 2:3, 21:9, 9:21 | 1:1, 9:16, 16:9, 21:9, 2:3, 3:2, 3:4, 4:3, 4:5, 5:4 |
| References | up to 8 images | up to 14 images |
| Prompt | up to 5,000 characters | up to 12,000 characters |
| Price from | from 3 tokens | from 4 tokens |
When to use FLUX
- Editing one picture: Flux Kontext takes a single reference.
- The 9:21 format for a very tall frame: Flux Kontext offers it.
- When 4K is not needed: FLUX.2 works in 1K and 2K.
When to use Nano Banana
- Many references per run: up to 14 pictures in Nano Banana 2.
- Resolution 4K: Nano Banana 2 and Nano Banana Pro give it.
- The 4:5 and 5:4 formats: FLUX has neither in ClickBait.
Model pages
FLUX
images up to 2K
pictures: up to 8 references
from 3 tokens
Nano Banana
images up to 4K
pictures: up to 14 references
from 4 tokens
Frequently asked questions
Where is 4K available?
Only in Nano Banana, in versions 2 and Pro. FLUX.2 renders up to 2K.
What is Flux Kontext in ClickBait?
A separate FLUX version for editing a picture: it takes one reference and gives the 9:21 format.
Can I set a custom frame size?
In FLUX and Nano Banana the format is picked from a list. A custom size is available in GPT Image and Seedream.
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 FLUX and Nano Banana, then compare the result and the token cost. The run button shows the amount before you start.