Powering data-centric
AI development

A unified environment to support fast and scalable AI/ML development:
from data collection and annotation to model training, deployment and monitoring.

Maximize the value
of your AI

  • Accelerate experiments
    with fast data iterations
  • Scale your projects
    with high-performance tools
    and unlimited crowd power
  • Tune your models
    with whatever new data
    you need, when you need it
  • Integrate
    with end-to-end
    ML pipelines

Covering the entire ML lifecycle

The Toloka environment allows data scientists
and ML teams to get AI solutions to production faster by:

  • Testing hypotheses
  • Boosting the success rate of prototypes
  • Building optimal data production pipelines that can be integrated into the ML production cycle
  • Data collection
  • Data processing

    Store, process and clean data

  • Data annotation
  • Data analysis
  • Model training, deployment,
    and evaluation
  • Model monitoring

Our products and open source libraries

Data labeling and collection platform

Our platform is purpose-built for scaling and acceleration to meet any data labeling demands.

  • Support for any type of data and task
  • On-demand access to our diverse global crowd
  • Flexible annotation tools: use our templates or design your own with code and no-code interface editors
Explore platform capabilities

Adaptive AutoML

Our collection of pre-trained models are ready to use out of the box and adapt to fit your data.
  • Pre-trained on large datasets with human verification for high accuracy
  • Continuous optimization and retraining using your data streams for reliable performance
  • Available via API with low latency for model predictions
Try out models

ML platform

Our ML platform is engineered for comparing datasets, tracking experiments, calculating metrics, and tuning models.
  • Versioning for models and datasets
  • Visualizations, reports and diffs
  • Python API for access from any environment
Explore ML platform

Powerful open API

Our open source libraries for Python and Java provide API access to all the features of the Toloka data labeling platform.

  • Toloka-Kit is a Python library for working with Toloka via API. It allows you to build scalable and fully automated human-in-the-loop ML pipelines and integrate them into your processes.
  • Toloka-Java-SDK allows working with API functionality using JVM-based languages.

Tools for labeled data

Crowd-Kit is an open source Python library that simplifies working with crowdsourced data.

  • Aggregation methods for categorical, pairwise, textual, and segmentation responses
  • Metrics for evaluating uncertainty, consistency, and agreement with aggregate
  • Loaders for popular crowdsourced datasets

Pipeline management

Integrate your data labeling processes with popular workflow management platforms using our open-source Python libraries.

Build automated data processing workflows using ready-made tasks for frequent actions.

Apache Airflow integrationPrefect integration

Designed by engineers for engineers
to scale AI development

Toloka supports a community of data scientists, ML engineers, researchers,
and AI innovators around the globe to accelerate machine learning with better data processes

  • Trusted by leading ML&AI teams
  • "With Toloka we were able to resolve even the most difficult cases of recognizing handwritten text in documents for our customers."
    Founder and CTO of Dbrain, Y Combinator alum
    "Toloka is our source for a continual stream of data for large-scale projects. We collected the world's largest database of 200,000 unique photos and videos."
    Science Director and Co-founder
    "Thanks to Toloka, we're able to run numerous data projects on a regular basis. What we gain is a dependable approach to data labeling."
    Crowd Solutions Architect
    "Toloka is the first place we go to prepare data for Al. We get a full set of quality control tools and it's 10 times cheaper than our previous solution."
    Head of Technologies
    "We were really impressed with how fast we got our project done in Toloka - 10,000 ads were reviewed in just 12 hours."
    Special Projects Team
    "We chose Toloka, because of the fast turnaround time and the active participation of performers."
    Data engineer

Why Toloka

  • State-of-the-art technologies
    Advanced tools and unique approaches
    backed by 10+ years of industry
    experience and research
    • Crowd management tools and quality
      control options
    • Flexible foundation models pre-trained
      on large datasets
    • Automated processes combining
      human insights and machine learning
    Learn more
  • 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
    Learn more
  • Robust secure infrastructure
    Fault-tolerant high-load system for rapid
    knowledge enrichment that prioritizes
    data security and privacy
    • GDPR-compliant, ISO 27001-certified
    • Automatic scaling to handle any volumes
    • Secure data storage options
    Learn more

Media about us

Toloka blog

Explore our technology articles, product news, case studies, and crowdsourcing insights

Let's talk about how to boost your ML/AI projects