Flux Krea Dev

Image generationNewAvailable
by Black Forest LabsModel ID: flux-krea-dev

An opinionated text-to-image model from Black Forest Labs in collaboration with Krea that excels in photorealism. Creates images that avoid the oversaturated "AI look".

Price
US$0.030/image
Aspect ratios
1:1, 16:9, 21:9, 3:2, 2:3, 4:5, 5:4, 3:4, 4:3, 9:16, 9:21
Input โ†’ output
Text โ†’ Image
Developer
Black Forest Labs
Updated
September 24, 2026
01

Playground

Try Flux Krea Dev

Input & output

US$0.030/image
Try Flux Krea Dev
Advanced settings (1)
Output
Your image appears here.

This run

US$0.03 ยท 3 credits

For accounts without a purchase: runs above 2 credits need a top-up.

New here?

10 free credits (US$0.10) when you sign up with Google

Usable 24 hours after sign-up, up to 5 runs per day and at most 2 credits per run. Other sign-in methods start without credits.

02

Examples

Real outputs from the public examples of this model on Replicate, with the prompt and settings that produced them. They were not generated live on this page.
  • Example output 1 from Flux Krea Dev: a double exposure photo of a dimly lit close up emotional portrait and a dramatic and epic stormy seascape, the two images seamlessly merge Open full size

    Prompt

    a double exposure photo of a dimly lit close up emotional portrait and a dramatic and epic stormy seascape, the two images seamlessly merge into one

    Settings

    aspect_ratio
    1:1
  • Example output 2 from Flux Krea Dev: Intense action shot of a tennis player in full motion, artistic sports photographyOpen full size

    Prompt

    Intense action shot of a tennis player in full motion, artistic sports photography

    Settings

    aspect_ratio
    1:1
  • Example output 3 from Flux Krea Dev: White owl, close up portrait, mysterious ghost like owl, low contrast, cinematic dark moody photo, slight blue color gradingOpen full size

    Prompt

    White owl, close up portrait, mysterious ghost like owl, low contrast, cinematic dark moody photo, slight blue color grading

    Settings

    aspect_ratio
    1:1
03

About Flux Krea Dev

TL;DRAs of September 24, 2026

Flux Krea Dev is a model by Black Forest Labs in the Image generation category. On Railwail, Flux Krea Dev costs US$0.030 per image. Supported aspect ratios: 1:1, 16:9, 21:9, 3:2, 2:3, 4:5, 5:4, 3:4, 4:3, 9:16 and 9:21.

04

Pricing

Prices in US dollars. Usage is charged from prepaid credits.
Per imageUS$0.030 per image
  • 1 credit = US$0.01

Cost calculator

Price calculator

/ run

Total

US$3.00

300 credits

Per run

US$0.03 ยท 3 credits

Fixed price per run, known before the run starts.

05

API

Call Flux Krea Dev with your Railwail API key. Use this model ID in the request:
curl https://railwail.com/api/v1/images/generations \
  -H "Authorization: Bearer $RAILWAIL_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "flux-krea-dev",
    "prompt": "A lighthouse on a rocky coast at sunset, photorealistic"
  }'
Set your key as RAILWAIL_API_KEYCreate API key
06

Specifications

Model ID
flux-krea-dev
Input
Text
Output
Image
Aspect ratios
1:1, 16:9, 21:9, 3:2, 2:3, 4:5, 5:4, 3:4, 4:3, 9:16, 9:21
Billing
Fixed price, known before the run
Catalog entry updated
September 24, 2026

Input parameters

Inputs and settings from the model's input schema. The example in the API section shows which of them the API accepts.

  • promptrequired
    Type: Text
    Default: โ€“
    Allowed values: โ€“
  • aspectRatio
    Type: Choice
    Default: โ€“
    Allowed values: 1:1, 16:9, 21:9, 3:2, 2:3, 4:5, 5:4, 3:4, 4:3, 9:16 or 9:21

Tags

  • replicate
  • black-forest-labs
  • text-to-image
07

Use cases

08

Frequently asked questions

What is Flux Krea Dev?

Flux Krea Dev is a model by Black Forest Labs in the Image generation category. On Railwail you can call it with an API key through the Railwail API.

How much does Flux Krea Dev cost on Railwail?

On Railwail, Flux Krea Dev costs US$0.030 per image. The price is known before the run starts. Usage is paid from prepaid credits; 1 credit equals US$0.01.

Which settings does Flux Krea Dev support?

According to its input schema, Flux Krea Dev knows these parameters: prompt and aspectRatio (1:1, 16:9, 21:9, 3:2, 2:3, 4:5, 5:4, 3:4, 4:3, 9:16 or 9:21).

How fast is Flux Krea Dev?

There are not enough measured runs of Flux Krea Dev on Railwail yet to state a run time. It depends on the input, the settings and the load at the provider.

Is Flux Krea Dev better than FLUX 1.1 Pro?

That depends on the task. Flux Krea Dev (Black Forest Labs) and FLUX 1.1 Pro (Black Forest Labs) are both models in the Image generation category. The comparison page shows their prices and specifications side by side.

Compare Flux Krea Dev and FLUX 1.1 Pro

How do I use Flux Krea Dev through the API?

Create a Railwail API key and send your request with the model ID flux-krea-dev. Code examples for curl, Python and JavaScript are in the API section of this page.

09

Comparable models

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Use Flux Krea Dev via the API

One API key for every model on Railwail. Usage is charged from prepaid credits, 1 credit = US$0.01.