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Centaur (YC W19) — We create superior data by making annotation competitive

The best AI models aren’t just trained and evaluated with human data; they’re built with superhuman data. The strongest datasets emerge through collective intelligence, where humans and machines work together to outperform either one alone.

Centaur is a Y Combinator company in the Winter 2019 batch. Its directory entry describes it as: We Create Superior Data By Making Annotation Competitive. The founders listed are Erik Duhaime (Founder), Tom Gellatly (Founder), Zach Rausnitz (Founder) (Y Combinator directory entry, November 1, 2018).

6 more companies from YC Winter 2019 ↓

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Centaur

New accelerator entry · 2018-11-01 · the record

Winter 2019
batch
45
people
Growth
stage
United States of America
region
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What the record says

BatchWinter 2019
Announced2018-11-01
StageGrowth
StatusActive
Team size45
IndustryHealthcare
Sub-industryHealthcare -> Healthcare IT
SectorsArtificial Intelligence, Data Science, Crowdsourcing, Data Labeling
RegionsUnited States of America, America / Canada, Remote, Partly Remote
BasedBoston, MA, USA
HiringYes
Sitehttps://centaur.ai/
Previously known asCentaur Labs

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Also in YC Winter 2019

Same batch, Healthcare first.

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In their words

The best AI models aren’t just trained and evaluated with human data; they’re built with superhuman data. The strongest datasets emerge through collective intelligence, where humans and machines work together to outperform either one alone. At Centaur, we create superior quality data by turning annotation into an arena where experts and AI compete.

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What the Full Report on Centaur covers

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  5. The Money: Funding, Valuation, Runway

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  8. Sources

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Centaur: Accepted into Y Combinator Winter 2019
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Permanent URL: https://mentionfox.com/funding/yc-centaur
Last updated 2026-10-20
Primary record: Y Combinator directory entry
Centaur (YC W19) — We create superior data by making annotation competitive. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-centaur