CheaperGen
Black Forest LabsPricing

FLUX.2 [klein] 4B Pricing

One FLUX.2 [klein] 4B image costs $0.001 at 1K (official $0.014). You pay as you go per image from a prepaid balance, with no subscription required (monthly plans are optional), and failed generations are free.

Per image from
$0.001
1K
$10 buys
10,526
1K images
Below official
up to 93%
With Max
$0.0009
per image from · monthly plan
Create with FLUX.2 [klein] 4BGet API keyAPI docs

Try it

Try FLUX.2 [klein] 4B — the price is on the button

Runs on your balance at the price on the button; failed runs are refunded. Results are saved to your account.

Open the full-screen Studio

Price per image

What FLUX.2 [klein] 4B images cost

By size, for one image and for a batch.

FLUX.2 [klein] 4B price per image by size
Size1 image4 images10 images100 imagesSave
1K
≈1 MP
$0.001$0.004$0.01$0.095−93%
2K
≈4 MP
$0.004$0.016$0.038$0.38−78%

Official: BFL API list price for FLUX.2 [klein] 4B ($0.014 for the first output megapixel, $0.001 per additional MP; input images at $0.001 / MP), verified October 18, 2026. Our prices are live. Per image for every tier: FLUX.2 [klein] 4B API Pricing .

Monthly plans lower prices on most models; you can still pay as you go. Per image from $0.0009 on Max ($4,999/month).

Credits

What your credits buy

Top up once and spend it on FLUX.2 [klein] 4B or any other model. Counted in images.

FLUX.2 [klein] 4B: images per top-up amount
Size$10$25$50$100
1K10,52626,31552,631105,263
2K2,6316,57813,15726,315

Pay as you go

How FLUX.2 [klein] 4B pricing works

One balance and one price list for the Studio, the API and MCP.

Use in Studio Get API key
  • Pay as you go. No subscription needed and no seats. Add credits with a card; optional monthly plans add credits every month, and Pro and Max lower prices.
  • The price before you run. The exact cost is on the Generate button in the Studio, and the API's free quote endpoint returns it for any request.
  • Failed = free. A failed generation, or a job you cancel before it starts, is refunded in full automatically.
  • Same price everywhere. The Studio (no code), the API and MCP cost the same; size and quality are the only things that change the price.
  • Below the official price. Up to 93% less, for the open-weights model.

FLUX

Other FLUX models

One image on each, at its lowest tier. All of them side by side: FLUX Pricing .

FLUX 3 Image Klein768 · from $0.0011/image$0.002FLUX 31K · from $0.0317/image$0.032FLUX.2 [max]1 MP · from $0.0644/image$0.065FLUX.2 [pro]1 MP · from $0.0276/image$0.028FLUX.2 [flex]1 MP · from $0.046/image$0.046FLUX.1 Kontext [pro]Image · from $0.0348/image$0.035FLUX.1 Kontext [max]Image · from $0.0695/image$0.07

FAQ

FLUX.2 [klein] 4B Pricing: questions

$0.001 at 1K up to $0.0038 at 2K per image, up to 93% below Black Forest Labs' official price. Four images cost four times the per-image price.

No — every image has a cost, but you only pay for what you generate, with no subscription needed: $10 of credits buys 10,526 1K images. Failed generations are refunded automatically.

No. CheaperGen is prepaid and pay-as-you-go: add credits with a card, spend them on FLUX.2 [klein] 4B or any other model, in the Studio (no code) or through the API. If you generate every month, optional monthly plans add credits automatically, and Pro and Max also lower the price.

They cost the same. The Studio, the API and MCP use one balance and one price list; the exact price is on the Generate button before you run, and the API's free quote endpoint returns it for any request.

FLUX.2 [klein] 4B is an open-weights model, run on GPU inference for open-source models. No lab API price sits in between, and automatic routing to the most cost-effective healthy route lowers what serving costs, and most of that saving is passed on. Official: BFL API list price for FLUX.2 [klein] 4B ($0.014 for the first output megapixel, $0.001 per additional MP; input images at $0.001 / MP), verified October 18, 2026.

[FLUX.2 [klein] 4B API pricing](/models/bfl/flux-2-klein-4b/pricing) lists every tier and endpoint per image; [FLUX.2 [klein] 4B API cost](/models/bfl/flux-2-klein-4b/cost) prices real projects and monthly budgets.