Experts in the loop for multimodal AI

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The only solution for scale and skill

Scale data annotation exponentially

Stop annotating data slowly with in-house teams or outsourcing to teams whose quality you can't control.

  • Access the Centaur Labs network of thousands of medical doctors, professionals, researchers and students for skilled annotation

  • Embed data annotation seamlessly into your data pipeline with end to end API integration

  • View labeler-level insights to give you confidence in the Centaur Labs network

Take control of annotation quality

You define quality. We rigorously measure and manage it.

  • Measure labeler performance. Only include opinions from labelers whose quality score meets your expectations

  • Incentivize labeler performance with small batch, mobile-first competitions. Labelers are only paid for performance and give 100% of their effort on every case

  • Generate multiple reads on each case, and even more on ambiguous cases

Master your dataset

Proactively understand the nuances of your dataset, so your data works with you, not against you.

  • Access meaningful statistical information about your dataset

  • Leverage case-level insights to inform model development e.g. precision-recall curves, label distribution, labeler agreement

  • Identify edge cases and challenges with data quality based on flagged cases and labeler comments

Frustrated by your labeling results?

Download our whitepaper →

Frustrated by your labeling results?

Download our whitepaper →

Security and
compliance you can trust

With leading security and privacy practices in place, you can rest assured we are handling your health data with care.

Read the announcement →

What our customers say

“The Centaur Labs platform provided labels at a scale 10x, or 20x, anything we had done by ourselves. Tremendous scale, tremendous throughput, and high quality labels.”

Daniel Barbosa

Machine Learning Engineer

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“We found ~5,000 potential new synonyms for the indication and anatomy vocabularies, but curating that many terms manually would have taken months of dedicated work”

Mark Streer

Scientific Coordinator

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“We were able to improve our model dramatically - from .6 to .83 F1 score - in part, because of Centaur Labs.”

Fausto Milletarì

Sr. AI Scientist

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What we annotate


Industries building AI with Centaur Labs

Medical Device

From software as a medical device (SaMD) to next generation AI-enabled hardware devices.


Life Sciences

From accelerating drug discovery to leveraging real world evidence.



From skin matching AI for cosmetics, to AI-enabled wellness applications.



From accelerating claims processing and reimbursement, to improving customer service.


LLMs and Software

From chatbots answering patient questions to expert review on LLM hallucinations.


Ready to accelerate your AI development?

Schedule a demo →