[ Black Forest Labs ]

FLUX-2-klein-9b

Routed to the cheapest source. At or below list. Priced in USD per image unit: 1024 x 1024 output pixels at the model's default step count, paid in USDF, with no subscription and no minimum.

All models

Black Forest Labsflux-2-klein-9bAvailableimageMax output pixels: 3,686,400 pixels

Output

$0.015

USD per image unit: 1024 x 1024 output pixels at the model's default step count

Max output pixels

3,686,400

pixels

Requires opting in to data retention.

Model ID: flux-2-klein-9b
Modality: image
Unit: USD per image unit: 1024 x 1024 output pixels at the model's default step count
Status: Available
Endpoints: /v1/images/generations
Max output pixels: 3,686,400 pixels
Images per request: 4 images
Image unit: 1024 x 1024 px
Pricing basis: Routed to the cheapest source. At or below list.

Sources

Retains dataNo training

Make your first request

Responses include a receipt with the exact cost.

No account: send the same request to /x402/v1/images/generations without credentials and the gateway answers 402 with the quote. Pay per request.

curl https://api.usdf.fi/v1/images/generations \
  -H "Authorization: Bearer $USDF_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "flux-2-klein-9b", "prompt": "A lighthouse at dusk", "n": 1, "size": "1024x1024"}'