IC-Light (Product Relighting)

Image generationAvailable
by CommunityModel ID: ic-light-product-relight

Lvmin Zhang's IC-Light packaged by zsxkib. Relights a product or portrait from a text prompt or a chosen light direction while keeping the subject's shape and detail intact, so a flat product photo can be given studio, window, or dramatic side lighting without re-shooting.

Price
β‰ˆ $0.0781/run
Resolution
up to 1,024 Γ— 1,024 px
Input β†’ output
Text + Image β†’ Image
Developer
Community
Updated
September 23, 2026
01

Playground

Try IC-Light (Product Relighting)

Input & output

β‰ˆ $0.0781/run
Try IC-Light (Product Relighting)

0 / 2,000

Describe the desired lighting and scene

Product or portrait to relight

Advanced settings (3)
Output
Your image appears here.

This run

about $0.0781 Β· 7.81 credits

$0.2341 (23.41 credits) are reserved at the start; the actual GPU time is billed.

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

New here?

10 free credits ($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 IC-Light (Product Relighting): Woman, detailed face, sci-fi RGB glowing, cyberpunkOpen full size
    InputInput

    Prompt

    Woman, detailed face, sci-fi RGB glowing, cyberpunk

    Settings

    negative_prompt: lowres, bad anatomy, bad hands, cropped, worst quality

    width
    512
    height
    640
03

About IC-Light (Product Relighting)

TL;DRAs of September 23, 2026

IC-Light (Product Relighting) is a model by Community in the Image generation category. On Railwail, IC-Light (Product Relighting) costs β‰ˆ $0.0781 per run.

IC-Light (Imposing Consistent Light) is a diffusion-based relighting model that conditions image generation on a foreground subject and a target lighting description. You supply the subject image and a prompt or one of the directional presets (left, right, top, bottom light); it re-renders the lighting and background while preserving the subject, which is useful for harmonizing product cut-outs with new ecommerce backgrounds.
04

Pricing

Prices in US dollars. Usage is charged from prepaid credits.
Typical run (β‰ˆ 67 s on L40S)$0.0781 per run
GPU time (L40S)$0.00117 per GPU second
  • Billed by the GPU time the run actually takes. When the run starts, 3Γ— the typical price is reserved from your balance and settled afterwards.
  • 1 credit = $0.01

Cost calculator

Price calculator

s

Typical according to the provider: about 66.7 s

Total

$7.81

781 credits

Per run

$0.0781 Β· 7.81 credits

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

05

API

Call IC-Light (Product Relighting) with your Railwail API key. Use this model ID in the request:
ic-light-product-relightAPI 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
ic-light-product-relight
Developer
Community
Input
Text, Image
Output
Image
Resolution
up to 1,024 Γ— 1,024 px
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.

  • promptrequired

    Describe the desired lighting and scene

    Type: Text
    Default: –
    Allowed values: up to 2,000 characters
  • subject_imagerequired

    Product or portrait to relight

    Type: Text
    Default: –
    Allowed values: –
  • width
    Type: Integer
    Default: 512
    Allowed values: 256 to 1,024
  • height
    Type: Integer
    Default: 640
    Allowed values: 256 to 1,024
  • lighting_preference
    Type: Choice
    Default: None
    Allowed values: None, Left Light, Right Light, Top Light, or Bottom Light

Tags

  • product
  • ic-light
  • relight
  • lighting
  • product-photo
  • portrait
  • ecommerce
07

Use cases

08

Frequently asked questions

What is IC-Light (Product Relighting)?

IC-Light (Product Relighting) is a model by Community in the Image generation category.

How much does IC-Light (Product Relighting) cost on Railwail?

On Railwail, IC-Light (Product Relighting) costs β‰ˆ $0.0781 per run. You are charged for what each request actually uses. Usage is paid from prepaid credits; 1 credit equals $0.01.

Which settings does IC-Light (Product Relighting) support?

According to its input schema, IC-Light (Product Relighting) knows these parameters: prompt (up to 2,000 characters), subject_image, width (256 to 1,024), height (256 to 1,024), and lighting_preference (None, Left Light, Right Light, Top Light, or Bottom Light).

How fast is IC-Light (Product Relighting)?

There are not enough measured runs of IC-Light (Product Relighting) on Railwail yet to state a run time. It depends on the input, the settings and the load at the provider.

Is IC-Light (Product Relighting) better than FLUX 1.1 Pro?

That depends on the task. IC-Light (Product Relighting) (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 IC-Light (Product Relighting) and FLUX 1.1 Pro

Can IC-Light (Product Relighting) use an image as input?

Yes. Send the image in the subject_image parameter.

09

Comparable models

All in this category
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  • InstantIDCommunity

    InstantID makes realistic portraits of a real person from a single reference photo without per-user training. Combines a face encoder with an IdentityNet adapter on SDXL to keep identity and pose while following a text prompt, so it is fast and tuning-free.

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    8 % more expensive per unit

    Compare IC-Light (Product Relighting) vs. InstantID
  • Sticker MakerCommunity

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    Compare IC-Light (Product Relighting) vs. Sticker Maker

All models through one API

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