Different by design
High-quality, vertically specialized training data at enterprise scale
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ai
Chain-of-Thought Reasoning
Human-level judgment and nuanced decision-making, captured through verified experts across complex domains.
3D/4D Data Specialization
Precision-labeled data for autonomous systems, robotics, and sensor fusion—built for environments where dimensional accuracy matters most.
Peer-Powered Quality
Decentralized validation that scales without compromise—backed by transparent reputation, contributor staking, and aligned incentives.
The People Powering
the World’s Best AI Models
1.5M
Global Contributors
110+
Countries
187.2M
Tasks Completed
Solutions
For Specialized AI
From 3D/4D annotation to expert-led data collection, our services are the needs of cutting-edge AI systems.
Marketplace
Access high-quality, domain-specific datasets, ready to power your next breakthrough.
Curated Datasets, Ready to Train
Why Sapien?
Quality, Powered by People
Every task is reviewed by real people, not just automated checks. Our system rewards accuracy, flags mistakes fast, and scales without slowing you down.
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