
Toloka
Toloka, in which Nebius holds a majority economic stake, supplies expert human data for training and evaluating models and agents — SFT and evaluation data, red-teaming, and expert review.
Toloka’s Tendem platform embeds vetted human experts directly into agentic workflows running on Nebius, bringing human-in-the-loop quality to agents in production. For teams building on Nebius AI Cloud, Toloka covers the data side of the AI lifecycle.