Fractal

Data labeling
 for natural language
 processing

Extract information from natural language data and take full control of your training data.
Power your NLP algorithm with datasets of any size.

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Annotations we support

With Toloka, you can control data labeling accuracy to build a predictable pipeline of high-quality training data that impacts your NLP algorithms. Our platform supports annotation for named entity recognition, sentiment analysis, speech recognition, text and intent classification, text recognition, and more.

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Access demo and see Toloka in action. Toloka offers flexible project configuration: use our presets for a faster start, or take full control to customize your projects for the most complex labeling needs. Options include adaptive tools and automation to develop a robust data pipeline that evolves with you. Hands on or hands off — it's up to you.
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Real-time insights

Track your projects with real-time statistics on progress, spending, quality, time spent on tasks and active users involved. Leverage detailed analytics to fine-tune as necessary and make timely decisions to optimize speed, quality and budget.

Why Toloka

  • 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
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  • 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
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  • 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
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For developers

  • API

    Our open API gives you the freedom
    to integrate directly into any pipelines

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  • Python SDK

    Our Python toolkit covers all API
    functionality to give you the full
    power of Toloka

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  • Java SDK

    Our Java client library provides a lightweight
    interface to the Toloka API that works
    in any Java enviroment

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Have a data labeling project?

Take advantage of Toloka technologies. Chat with our expert to learn how to get reliable training data for machine learning at any scale.

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Fractal