Companies / Data vendor

Centaur Labs

Centaur (now presented as Centaur.ai) provides high-quality data annotation at scale to power the development of AI models. Recorded here: what it sells, in its own words and 1 funding event.

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Latest record 9 Nov 2026

#26

of 34 medical AI data companies, by the money on record

$16M

disclosed funding raised

Also ranked #28 of 42 data labeling companies, #41 of 63 AI training data providers and #49 of 71 AI evaluation companies, on the rankings of the AI data market.

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<a href="https://aidata.broker/best/medical-ai-data-companies#centaur-labs"><img src="https://aidata.broker/badges/medical-ai-data-companies/centaur-labs" alt="Centaur Labs: #26 of 34 medical AI data companies on the AIData.Broker rankings" height="64"></a>

Centaur Labs and its competitors, ranked.

What Centaur Labs sells

In its own words, read on its own site 9 Nov 2026. On the vendor register

What it sells

Annotation: “Centaur.ai provides device innovators with high-quality data annotations at unprecedented speed and scale.” centaur.ai

Evaluations and benchmarks: “Accurate and scalable data labeling and model evaluation” centaur.ai

Datasets: “If you don't have the right raw data to start with, we do. Either way, we'll work with you to design the best datasets to accomplish your goals” centaur.ai

Where its data comes from

Made by experts and contractors: “Select from 100,000+ subject matter experts and/or AI models and have them annotate independently.” centaur.ai

Buys data from owners
Its pages do not say it does.
Areas its pages name
Medical

Funding and acquisitions

Funding rounds and acquisitions recorded for Centaur Labs
WhenEventAmountSource
9 Oct 2024Series B$16MEuropean Business Magazine (ACCESSWIRE press release)

Cite this

AIData.Broker, “Centaur Labs in the AI training data market”, reviewed 9 Nov 2026. https://aidata.broker/companies/centaur-labs

Free to reuse under CC BY 4.0 if you credit AIData.Broker and link to this page. Each row names the publication that stated it, and words quoted from a source keep that source's own terms.

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