Imagefrom$0.0750 / image

Nano Banana 2.1

Generates and edits images · up to 4K · up to 4 per request

text-to-imageimage-edit

curl -X POST https://api.open.sume.com/v1/image-router/generate \
  -H "Authorization: Bearer $SUME_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"nano-banana-2.1","prompt":"A studio product photo on a white sweep","aspect_ratio":"1:1","resolution":"0.5K","num_images":1}'

Input

prompt * · What the image shows.aspect_ratio · Frame shape.resolution · Output resolution.num_images · Images per request, 1–4.

Advanced settings · media inputs

image_urls · Images to edit or follow (HTTPS).

Pricing…

Result

Example made with Nano Banana 2.1 on Sume. Runs are billed to your open.sume.com balance at the price shown; failed runs are refunded.

Pricing

Dollars per unit at each option: the serving route's cost × 1.25, rounded up to $0.0001. The estimate above is the exact charge.

Option	Price
0.5K	$0.0750 / image
1K	$0.1000 / image
2K	$0.1500 / image
4K	$0.2000 / image

More models by Google

Price, resolution and duration show each model's full range.

Model	Type	Price	Resolution	Duration
Gemini Omni Flash 1.1	video	$0.0375 – $0.3750 / s	360p – 4K	3 – 10 s
Nano Banana Pro	image	$0.1875 – $0.3750 / image	0.5K – 4K	—
Imagen 4 Fast	image	$0.0250 / image	—	—
Imagen 4 Ultra	image	$0.0750 / image	1K – 2K	—