Your one-stop
data labeling platform
Fast data iterations and easy scaling to support AI/ML development.
Two-sided platform engineered for scalability
Platform delivery models
- Self service
Tune your project with a wide range
of quality control tools and technologies - Managed service
Request a bespoke solution designed
for your use case by our experienced team
Crowd options
- On-demand global crowd
Access millions of Tolokers available 24/7 - In-house workforce
Invite your employees or contractors
to label your data in Toloka
Platform capabilities
ML technologies
- One platform to manage human labeling & ML
- Prebuilt scalable infrastructure for training and real-time inference
- Flexible foundation models pre-trained on large datasets
- Automatic retraining and monitoring out of the box
Diverse global crowd
- 100+ countries
- 40+ languages
- 200k+ monthly active Tolokers
- 800+ daily active projects
- 24/7 continuous data labeling
Crowdsourcing technologies
- Advanced quality control and adaptive crowd selection
- Smart matching mechanisms
- 10 years of industry experience and proven methodology
- Open-source Python library for aggregation methods
Robust secure infrastructure
- Privacy-first, GDPR-compliant focus on data protection test
- ISO 27001-certified
- Multiple data storage options, Microsoft Azure cloud
- Automatic scaling to handle any volumes
- API and open-source libraries for seamless integration
Data types
Collect, classify and annotate text, images, audio and video with our purpose-built data labeling and collection platform.
How our platform works
- Data labeling and collection
- 1
Pick a project preset that matches your task and the type of data you want to collect or label. Or start from scratch and design your own template.
- 1
Customize settings to choose the audience, quality control methods, and other options.
- 1
Upload the first batch of raw data for labeling. Launch your pool of tasks and monitor progress as tasks are completed.
- 1
Download the file with results and use our aggregation tools to get ground truth data.
- 1
Tweak settings to improve results for the next batch of data.
How to ensure
quality
- Build flexible quality control pipelines with crowd filters,
golden sets, state-of-the-art aggregation methods, and more - Level up your skills with our free courses and
and master the art of quality control - Real-time anti-fraud checks are built into the platform
to detect bots and prevent problematic behavior
Why engineers love Toloka
Our platform is purpose-built to meet the most challenging data demands.
- Fast scalability
- Short turnaround time
- Wide range of quality
control tools - Real-time data labeling
- API and Python SDK
for easy integrations - Clear pricing
Flexible task interface
Template Builder for quick adjustments
Tweak the task interface in our no-code visual editor, or use
the JSON-like code editor with snippets and real-time previewHTML/CSS/JavaScript for full customization
Design your own task interface from scratch or start with
our flexible templates — create a custom task of any complexity
For developers
Python SDK
Our Python toolkit covers all API
functionality to give you the full
power of TolokaJava SDK
Our Java client library provides a lightweight
interface to the Toloka API that works
in any Java environment
FAQ on
data labeling
Where to learn more
Get started now
and expansive industry experience.