Image$0.0500 / image

Flux 2 Flex

Generates and edits images · 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":"flux-2-flex","prompt":"A studio product photo on a white sweep","aspect_ratio":"1:1","num_images":1}'

Input

prompt * · What the image shows.

image_urls · Images to edit or follow (HTTPS).

Drop images here, or click to choose

aspect_ratio · Frame shape.num_images · Images per request, 1–4.

Pricing…

Add prompt to run.

Result Idle

Example made with Flux 2 Flex 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, from our rate card; a request rounds up to $0.0001. The estimate above is the exact charge.

Option	Price
per image	$0.0500 / image

More models by Black Forest Labs

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

Model	Type	Price	Resolution	Duration
Flux 2 Pro	image	$0.0300 / image	—	—
Flux Kontext Max	image	$0.0800 / image	—	—
Flux 2 Max	image	$0.0700 / image	—	—