Quality – Toloka

Set the bar high

Data quality is vital to your projects. No matter how fast you need to scale, our platform is designed to deliver guaranteed quality on any amount of data. Want to know how it works? Read on.

Get better data with our proven approach to quality

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

Start with the right crowd

We apply extensive filters and checks to match crowd performers to your projects.

Crowd targeting

Target users on the right devices, with the right language and location, and with the right skills and interests for your tasks.

Behavioral checks

Automatically monitor the time spent on tasks and patterns of user behavior to prevent cheating.

Accuracy rules

Define unique skills to measure accuracy on your specific task and filter performers by skill level.

Leverage performer quality with smart ranking

We use ML algorithms to analyze each performer's relevant skills and quality in similar tasks across the platform — and pre-select the best individuals for your project.

Establish quality benchmarks

Measure performance with a combination of quality control options.

Training and testing
Use practice tasks to teach users a skill for your project and verify their mastery with an exam.
Benchmark tasks (honeypots)
Add control tasks with correct answers to automatically monitor individual quality while labeling is in progress.
Advanced solutions
Use our Crowd-Kit library to evaluate accuracy in complex tasks such as text generation and image segmentation.
Automatic benchmarks (coming soon)
Benchmark tasks can be generated by experienced users and verified with our advanced technologies.

Harness the wisdom of the crowd

Toloka uses cutting-edge aggregation techniques to maximize the power of the crowd and deliver high-performing data.

Categorical Aggregations

For classification tasks with overlap, standard categorical aggregations can give you the most accurate labels.

Learn more

Non-categorical Aggregations

For complex open-ended tasks, we have a collection of cutting-edge solutions to measure accuracy in any scenario.

Learn more

No room for fraud

Our real-time anti-fraud system is built into every level of the platform to ensure that the people on the other end are real people. Our dedicated anti-fraud team works non-stop to detect and prevent cheating in any form.

Rely on our crowd expertise

For complex scenarios, combine the power of the crowd with trained experts to achieve high-quality results.

— Train and test performers to do specific tasks and assign skill levels. — Dynamic pricing based on skill level motivates performers and improves quality. — Expert crowd performers can review and validate tasks completed by other people.

To learn more, see our documentation and knowledge base.