Black Forest Labs · Image

FLUX1.1 pro

FLUX pro image model.

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flux-pro-1.1

Model specifications

Capabilities: image
Family: FLUX
Provider: fal

USDC · x402

The call price

Per megapixel: $0.041200

Plus 0.001000 USDC per call.

exact payments authorize a fixed quote before the call. The server quotes the units for your request.

Price verified: 2026-10-14 UTC.

Payment guarantees ↗

Make an API call

This first request returns an HTTP 402 quote. An x402 client signs an accepted offer and retries with its payment authorization.

curl · Get a payment quote

curl https://synal-gateway.fly.dev/x402/v1/images/generations \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "flux-pro-1.1",
  "prompt": "A pine green chair on a paper background.",
  "n": 1
}'

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