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Heartex vs Toloka

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HeartexAI Annotation and Labeling
TolokaAI Annotation and Labeling
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AI Annotation and Labeling

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AI Annotation and Labeling

Overview
Focus
AI Annotation and Labeling
AI Annotation and Labeling
Product
Enterprise data labeling platform built on Label Studio for managing annotation projects at scale with ML integration.
Crowdsourcing data labeling platform combining human workforce with AI for training data at scale.
Headquarters
San Francisco, California
Amsterdam, Netherlands
Company size
51-200 employees
201-500 employees
Founded
2019
2014
Pricing details
Published rate
Usage-based
Free options
Free plan, Free trial
Source updated
Oct 29, 2026
Oct 29, 2026

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AI Annotation and Labeling