Toloka review: the agent-focused training data company
Answer in brief: Toloka builds training data for AI agents and LLMs. It offers simulated environments and RL gyms (including MCP replicas and computer-use testbeds), agent trajectory demonstrations, specialized datasets, evaluation and red teaming, off-the-shelf datasets, physical-AI and egocentric video data, and the public Toloka Arena leaderboard. Experts join through Mindrift. It offers a Self-Service Agreement as well as managed projects. This is independent research; we did not test Toloka hands-on.
Top pick for: teams building computer-use, coding, deep-research or corporate-assistant agents that need environments and data together. Visit Toloka →
Where Toloka sits in the directory
Category: human data and expert post-training, with off-the-shelf datasets and physical-AI collection.
What it does for AI training data
- Agent data: trajectory demonstrations, step-by-step evaluations, and workflows captured from real teams.
- Environments: context-rich simulated environments and RL gyms. Its blog describes building virtual companies to train enterprise-ready AI.
- LLM and VLM data: domain demonstrations, preference data, RL tasks with built-in checks, reasoning chains.
- Coding data: full repository structures and complete software-engineering workflows.
- Creative AI data, safety red teaming, robotics and egocentric video.
Who it fits
Agent builders of every type Toloka lists: conversational, corporate assistants, deep research, computer use, coding copilots and OS agents. It also fits teams that want to start on self-service terms.
Why buyers pick Toloka
- Agent specialization across environments, data and evaluation.
- Flexible engagement: a published Self-Service Agreement alongside managed projects.
- Public proof: Toloka Arena and published case studies, such as its work defining AI quality measures with poolside.
Honest drawbacks
- Smaller than the leaders: Nebius's 2025 20-F shows $26.1M of Toloka revenue for FY2024, before Nebius stopped consolidating Toloka in May 2025.
- Check delivery capacity before committing very large programs.
- Its client testimonials are anonymous.
Pricing
Custom for managed work; self-service terms available.
Best alternatives to Toloka
- micro1: Realm environments and expert data.
- Prolific: self-serve human evaluation with published prices.
- Turing: coding and reasoning data.
Toloka FAQ
What is Toloka Arena?
Toloka's public leaderboard, where you can see how models rank.
What is Mindrift?
The platform experts use to join Toloka projects.
Is Toloka still part of Nebius?
Nebius stopped consolidating Toloka in May 2025, according to Nebius's 2025 Form 20-F.