Data labeling platform

Unlimited flexibility to handle
the most complex labeling needs.

Design your own data labeling process

A powerful and flexible solution engineered for the most challenging data demands.
You control and fine-tune the entire process, from task decomposition to aggregation of results.

  • Unlimited Flexibility

    Find endless opportunities for customization to adapt to any type of data and any scenario.

  • Extensive Control

    Take full control of every stage of the data labeling process to build efficient ML pipelines.

  • Enterprise Scaling

    Unlock true scalability with infinite crowd power, a highload system, and easy integration.

  • Cost-Efficiency

    Set your own price and timeframe on tasks and stay under budget with significant cost savings at scale.

How it works

Design a unique task interface, select a crowd of annotators, configure quality control, and even set your own price and timeframe.


Cutting-edge technologies

Our solutions incorporate advanced quality control methods and aggregation tools, autolabeling and verification, and a curated crowd of performers — all supported by our high-performing infrastructure for reliable fault tolerance and security.

Cutting-edge technologies Learn more

Infinite crowd

Fast scaling and support for multilingual projects with on-demand access to the largest global crowd coverage in 40+ languages and 100 countries.

Infinite crowd Learn more

Multifaceted quality control

Achieve optimal data quality for every project
with our set of customizable quality control tools:

  • Intelligent crowd selection
  • Crowd training and testing
  • Benchmark tasks to monitor quality
  • Post-verification and spot checks
  • State-of-the-art aggregation tools
  • Platform-wide anti-fraud system
Multifaceted quality control Learn more

Superb scalability

Our versatile labeling platform, high-load system, on-demand global crowd, and easy integrations with a rich API give you the foundation for building scalable ML pipelines that evolve with you.

Superb scalability Learn more
Quick start
# Install the packagespip install -U toloka-kit crowd-kit

Efficient labeling tools

Our interface templates cover a wide range of data labeling scenarios that are easy to tweak for your project’s needs.

  • Template Builder
    for quick adjustments

    Handy JSON-like interface editor with code snippets and real-time preview.

  • Workspace SDK for JavaScript
    interfaces from scratch

    Full flexibility to support everything from basic forms to advanced 3D labeling tools for computer vision.

Get started now

Take advantage of our cutting-edge technology and expansive industry experience.

Start nowTalk to us