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BiRefNet Background Removal

Image generationAvailable
by CommunityModel ID: birefnet-background-removal

BiRefNet high-resolution dichotomous image segmentation for background removal. Bilateral reference network that produces sharp matting on fine detail like hair, fur and thin structures, often cleaner than older U2Net or rembg models.

Try itGet API keyCompare
Price
≈ US$0.0036/run
Input → output
Text + Image → Image
Developer
Community
Updated
September 23, 2026
01

Playground

Try BiRefNet Background Removal

Input & output

≈ US$0.0036/run
Try BiRefNet Background Removal
Output
Your image appears here.

This run

about US$0.0036 · 0.36 credits

US$0.0108 (1.08 credits) are reserved at the start; the actual GPU time is billed.

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. Enough for 9 runs of this model.

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 BiRefNet Background RemovalOpen full size
    InputInput

    No text prompt: the model only takes the input shown.

  • Example output 2 from BiRefNet Background RemovalOpen full size
    InputInput

    No text prompt: the model only takes the input shown.

  • Example output 3 from BiRefNet Background RemovalOpen full size
    InputInput

    No text prompt: the model only takes the input shown.

03

About BiRefNet Background Removal

TL;DRAs of September 23, 2026

BiRefNet Background Removal is a model by Community in the Image generation category. On Railwail, BiRefNet Background Removal costs ≈ US$0.0036 per run.

BiRefNet (Bilateral Reference for High-Resolution Dichotomous Image Segmentation) separates foreground from background and is well suited to detailed subjects where edge quality matters. Returns the masked subject so it can be placed on a transparent or replacement background.
04

Pricing

Prices in US dollars. Usage is charged from prepaid credits.
Typical run (≈ 2 s on A100 (80GB))US$0.0036 per run
GPU time (A100 (80GB))US$0.00168 per GPU second
  • Billed by the GPU time the run actually takes. When the run starts, 3× the typical price is reserved from your balance and settled afterwards.
  • 1 credit = US$0.01

Cost calculator

Price calculator

s

Typical according to the provider: about 2.1 s

Total

US$0.36

36 credits

Per run

US$0.0036 · 0.36 credits

Billed by the actual GPU time; this is an estimate.

05

API

Call BiRefNet Background Removal with your Railwail API key. Use this model ID in the request:
birefnet-background-removalAPI documentationGet an API key

No verified API example

The public API passes a different input format than this model needs. Use the playground above.

06

Specifications

Model ID
birefnet-background-removal
Developer
Community
Category
Image generation
Input
Text, Image
Output
Image
Billing
By usage (tokens or GPU time)
Catalog entry updated
September 23, 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.

  • image
    Type: Text
    Default: –
    Allowed values: –

Tags

  • background-removal
  • birefnet
  • segmentation
  • matting
  • image
07

Use cases

08

Frequently asked questions

What is BiRefNet Background Removal?

BiRefNet Background Removal is a model by Community in the Image generation category.

How much does BiRefNet Background Removal cost on Railwail?

On Railwail, BiRefNet Background Removal costs ≈ US$0.0036 per run. You are charged for what each request actually uses. Usage is paid from prepaid credits; 1 credit equals US$0.01.

Which settings does BiRefNet Background Removal support?

According to its input schema, BiRefNet Background Removal knows these parameters: image.

How fast is BiRefNet Background Removal?

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

Is BiRefNet Background Removal better than FLUX 1.1 Pro?

That depends on the task. BiRefNet Background Removal (Community) 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 BiRefNet Background Removal and FLUX 1.1 Pro

Can BiRefNet Background Removal use an image as input?

Yes. Send the image in the image parameter.

09

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    161 % more expensive per unit

    Compare BiRefNet Background Removal vs. Icons (SDXL Flat Pop)
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    Compare BiRefNet Background Removal vs. InstantID
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All models through one API

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

Get API keyBrowse all models