CheaperGen
Black Forest LabsPer image

FLUX.2 [flex] API Pricing Per Image

FLUX.2 [flex] costs $0.046–$0.1364 per image, by size. That's up to 32% below the official price.

Per image from
$0.046
1 MP
At 1K
$0.046/image
official $0.05/image
Per 1,000 from
$46.00
1 MP
Below official
up to 32%

Try it

Try FLUX.2 [flex] — see the exact price first

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

Per image

FLUX.2 [flex] price per image by size

Our price with the official list price struck through, and what 1,000 images cost.

FLUX.2 [flex] price per image
SizePer imagePer 1,000
1 MP
≈1024×1024
$0.046$0.05−8%$46.00
2 MP
$0.0861$0.10−14%
With a monthly plan: Pro $0.0841Max $0.0821
$86.09
3 MP
$0.115$0.15−23%
With a monthly plan: Pro $0.1101Max $0.1052
$115.00
4 MP
≈2048×2048
$0.1364$0.20−32%
With a monthly plan: Pro $0.1294Max $0.1223
$136.37

Monthly plans lower prices on most models (shown under each price); you can still pay as you go. Pro $499/month · Max $4,999/month.

  • Official price: BFL API list price for FLUX.2 [flex] ($0.05 per megapixel of output and of input images). Verified October 18, 2026; our prices are live.

Calculator

What FLUX.2 [flex] costs for your volume

Pick a size and a monthly volume. Every figure is a live quote, so per-image billing is exact.

Size
Tries per keeper

Per month · 100 generations

4.60

$5.00 at the official price

Per image
0.046
Per kept image
0.046
Saved per month
$0.40
Saved per year
$4.80

Live prices · failed generations are free

At volume

From per image to per batch

Totals at 1 MP, 2 MP, 3 MP and 4 MP.

FLUX.2 [flex] cost per batch size
Images1 MP2 MP3 MP4 MP
1$0.046$0.087$0.12$0.14
10$0.46$0.87$1.15$1.37
100$4.60$8.61$11.50$13.64
1,000$46.00$86.09$115.00$136.37
10,000$460.00$860.87$1,150$1,364

Billing

How FLUX.2 [flex] images are billed

Full details in the billing docs.

  • Unit. One output image, at the size you pick.
  • Notes. Text-to-image only — use FLUX.2 [pro], FLUX 3 or Kontext for editing.
  • Failed = free. Failed generations, and jobs cancelled while queued, are refunded in full.
  • Price first. POST /v1/quote/bfl/flux-2-flex/text-to-image returns the exact price of any request, free.

Compare

FLUX.2 [flex] per image vs other image APIs

Every image model we offer at 1K, cheapest first — each at its lowest price for that size. FLUX.2 [flex] is number 17 of 20.

image models ranked by price per image at 1K
#ModelTierPer imageOfficial
1FLUX.2 [klein] 4B
Black Forest Labs
1K$0.001/image$0.014/image
2FLUX 3 Image Klein
Black Forest Labs
1K$0.0019/image$0.009/image
3Z-Image Turbo
Alibaba
1K$0.0048/image$0.015/image
4GPT Image 2.5
OpenAI
1K · low$0.0061/image$0.0064/image
5GPT Image 2.5 Flare
OpenAI
1K · low$0.0061/image$0.0064/image
6Seedream 5.0 Flash
ByteDance
1K$0.0154/image$0.018/image
7Qwen-Image 3.0
Alibaba
1K$0.0228/image$0.03/image
8FLUX.2 [pro]
Black Forest Labs
1 MP$0.0276/image$0.03/image
9Seedream 5.0 Lite
ByteDance
1K$0.0317/image$0.035/image
10FLUX 3
Black Forest Labs
1K$0.0317/image$0.048/image
17FLUX.2 [flex]
Black Forest Labs
1 MP$0.046/image$0.05/image

Price per image is one input; quality, speed and features differ. Quality levels differ between models; the tier column names each.

FAQ

FLUX.2 [flex] price per image questions

1 MP: $0.046/image; 2 MP: $0.0861/image; 3 MP: $0.115/image; 4 MP: $0.1364/image. The official list price is $0.05–$0.20 per image.

$46.00 at 1 MP and $136.37 at 4 MP; 10,000 images at 1 MP cost $460.00.

At 1K, FLUX.2 [flex] is $0.046/image, number 17 of 20 image models we offer at that size; the cheapest is FLUX.2 [klein] 4B at $0.001/image. Compare quality and features too: the table lists each model's tier, and [FLUX.2 [flex] alternatives](/models/bfl/flux-2-flex/alternatives) weighs them up.

FLUX.2 [flex] is developed by Black Forest Labs. CheaperGen provides API access and does not own the model. Trademarks belong to their respective owners.