Pretrained computer vision classifier

Identify likely race with one API call.

A pretrained likely race classifier that sorts an image into one of 2 categories — the likely race based on the given characteristics. Use the likely race API immediately, no training required, then adapt it to your own data when you need more.

Pretrained · Nyckel-trained 2 labels out of the box Image input

Try the likely race classifier

Drop in a photo and get the prediction back. No signup, no setup.

Responsible use: this classifier makes predictions about characteristics that can be sensitive. Predictions are statistical guesses, not facts about a person, and can be wrong or biased. Don't use it to make decisions about individuals (employment, housing, credit, medical or legal decisions), and check the laws that apply to your use case.

What this likely race classifier recognizes

A sample of the 25 labels this pretrained classifier chooses between.

African
Caucasian

Need a label that isn't here? Clone the classifier into your Nyckel console and edit the label set to fit your data.

Call the likely race API

Once you've added this classifier to your console, you get your own copy of it behind your own endpoint. Invoke it with any HTTP client:

curl

curl -X POST "https://www.nyckel.com/v1/functions/YOUR_FUNCTION_ID/invoke" \
  -H "Authorization: Bearer $NYCKEL_ACCESS_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"data": "https://example.com/photo.jpg"}'

Python

import requests

# Get an access token: https://www.nyckel.com/docs/api/overview/authentication/
token = "YOUR_ACCESS_TOKEN"

response = requests.post(
    "https://www.nyckel.com/v1/functions/YOUR_FUNCTION_ID/invoke",
    headers={"Authorization": "Bearer " + token},
    json={"data": "https://example.com/photo.jpg"},
)
print(response.json())

Example response

{
  "labelName": "African",
  "labelId": "label_...",
  "confidence": 0.92
}

Under the hood

Model type
Nyckel-trained

Trained on a Nyckel-curated dataset covering 2 likely race categories, served on Nyckel's own infrastructure — your image stays on Nyckel.

Input
Image

Send an image URL or file to the invoke endpoint; the response is a label with a confidence score.

Make it yours
Adaptable

Clone it, then correct predictions and add your own samples in the console — Nyckel retrains automatically, turning this into a custom model tuned to your data.

More than a demo: this page is one of thousands of pretrained functions on Nyckel, an ML classification platform. You can invoke classifiers by API, review predictions, correct labels, collect samples from production traffic, and promote any pretrained function to a private custom model — without changing your integration.

Where teams use likely race classification

Market Research

Businesses can use this function to understand the racial diversity of users engaging with their product or service. It can help tailor marketing strategies to specific ethnic groups, allowing for more targeted and effective campaigns.

Content Personalization

Streaming platforms or media companies can use this function to personalize the content they recommend to users based on their identified race, potentially improving user engagement and satisfaction.

Health Research

Pharmaceutical companies and healthcare providers can use this function in research studies to identify correlations between certain health conditions and race, aiding in the development of more personalized treatments.

Customer Segmentation

Retailers can use this function to segment their customer base by race. This can enhance understanding of customer preferences and behavior, leading to improved product offerings and advertising.

Sociological Studies

Researchers can use this function to conduct sociological studies on representation and visibility of various racial groups in different areas like media, political platforms, or workforce, contributing to social justice efforts.

Augmented Reality Apps

Developers can use this function in AR applications to create personalized user experiences. For example, a virtual makeup app can suggest products that complement an individual's skin tone based on their race.

AI Training

Tech companies can use this function to diversify the data used in training AI models, ensuring that these models perform accurately and equitably across a wide range of races.

Common questions

What's the difference between a zero-shot and a Nyckel-trained classifier?

A zero-shot classifier uses a large foundation model's general knowledge to pick between your labels — no task-specific training, so new or edited labels work immediately. A Nyckel-trained classifier has been trained on labeled examples and runs on Nyckel's own infrastructure, which typically makes it faster, cheaper per call, and more accurate on data that resembles its training set. The "Under the hood" section on this page shows which kind this classifier is, and any classifier can be adapted into a trained one by adding your own examples.

How do I know whether this will work for my application?

Honestly: we can't know in advance — it depends on your data stream and how closely it resembles what this classifier has seen. The reliable way to find out is to measure it on your own data: start invoking the classifier with real traffic, or upload and annotate a set of images in the console — make sure they look like your production data, not idealized examples. Nyckel's evaluation metrics then show you exactly how it performs on that data before you rely on it.

What happens when it makes a mistake?

No classifier is perfect, so Nyckel is built around the correction loop: invokes can be captured for review, you confirm or correct predictions in the console, and corrections become training data. Over time the model adapts to your data distribution — accuracy on your traffic improves with use rather than staying fixed.

Do I need training data to get started?

No. This likely race classifier works out of the box — clone it into your console and you'll have your own API endpoint in under a minute. Training data only enters the picture when you want to adapt it: your corrected predictions and uploaded samples improve the model, and you can also edit the label set to match your needs.

What does it cost to try?

Trying the classifier on this page is free with no signup. Cloning it requires a free account, and the free tier covers your first API calls each month — see nyckel.com/pricing for current limits and paid tiers.

Ready to classify likely race at scale?

Add this pretrained classifier to your Nyckel console — you'll get a live API endpoint in under a minute, and a path to a custom model when you need one.