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
State-of-the-art technologies
Crowd management tools and quality control options backed by 10 years of industry experience and research- Multiple quality control methods
- Adaptive crowd selection
- Smart matching mechanisms
Global crowd
Millions of Tolokers across every time zone for on-demand labeling, instant scaling, and multilingual projects- 40+ languages, 100+ countries
- 200k+ monthly active Tolokers
- 800+ daily active projects
Robust infrastructure
Fault-tolerant high-load system for rapid
knowledge enrichment that prioritizes
data security and privacy- High throughput – 499M+ tasks per month
- GDPR-compliant, ISO 27001-certified
- Secure data storage options
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.