All models

Flux 3 Image Klein

black-forest-labs/flux-3-image-klein
Black Forest Labs

Quick start

# Inspect the price — a plain request returns the 402 challenge:
curl -i https://api.glianalabs.com/v1/infer \
  -H "content-type: application/json" \
  -d '{
    "model": "black-forest-labs/flux-3-image-klein",
    "prompt": "<your prompt>"
  }'

# Pay + run in one step with the mppx CLI (create a wallet: npx mppx account create):
npx mppx https://api.glianalabs.com/v1/infer \
  -J '{"model": "black-forest-labs/flux-3-image-klein", "prompt": "<your prompt>"}'

Parameters

Input
prompt string required

Text prompt describing what to generate.

aspect_ratio string optional

Output aspect ratio (e.g. 16:9, 1:1, 9:16).

images array optional

Reference images to guide generation. Pass a public URL; to use a local file, upload it (free) via POST /v1/media (≤40MB) and pass the returned url.

resolution string optional

Output resolution / quality tier.

seed integer optional

Random seed for reproducible results — same seed + inputs gives the same output.

Output