FLUX 3 Klein API

black-forest-labs/flux-3-klein

Generate images with FLUX 3 Klein by Black Forest Labs through the Solo Router API. $0.012 / image, billed from prepaid credit.

Price

$0.012

per image

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Example request

curl https://solorouter.ai/api/v1/images/generations \
  -H "Authorization: Bearer $SOLO_KEY" -H "Content-Type: application/json" \
  -d '{"model": "black-forest-labs/flux-3-klein", "prompt": "a lighthouse at dusk", "size": "1024x1024"}'

More from Black Forest Labs

Model	Context	Input / 1M
FLUX 3 black-forest-labs/flux-3 · images	—	$0.062 / image
FLUX 3 Edit black-forest-labs/flux-3-edit · images	—	from $0.125 / image
FLUX 3 Klein Edit black-forest-labs/flux-3-klein-edit · images	—	from $0.023 / image
FLUX.1 [dev] black-forest-labs/flux-dev · images	—	$0.033 / megapixel
FLUX1.1 [pro] black-forest-labs/flux-1.1-pro · images	—	$0.052 / megapixel
FLUX1.1 [pro] Ultra black-forest-labs/flux-1.1-pro-ultra · images	—	$0.078 / image
FLUX.1 Kontext [pro] black-forest-labs/flux-kontext-pro · images	—	$0.052 / image
FLUX.1 [schnell] black-forest-labs/flux-schnell · images	—	$0.0039 / megapixel
FLUX.1 Krea [dev] black-forest-labs/flux-krea · images	—	$0.033 / megapixel

Frequently asked questions

How much does FLUX 3 Klein cost?

$0.012 / image, billed from prepaid credit with no monthly fee.

How do I use the FLUX 3 Klein API?

Sign in to Solo Router with Google, create an API key and send "model": "black-forest-labs/flux-3-klein" to the endpoint shown in the example above.

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