About Welo Data

Welo Data is your global partner for high-quality datasets and advanced AI services, empowering state-of-the-art AI models and GenAI innovations through our worldwide network of 500,000+ specialized evaluators across 105 countries. Our Research Labs and proprietary technology transform expert human judgment into structured, high-precision training data that captures the complex patterns modern AI demands. We combine deep research in model evaluation with rigorous data engineering to deliver sophisticated, multilingual datasets for diverse real-world applications.