C
Centaur Labs
Health · Boston, United States · Founded 2017
Provides expert medical and scientific data annotation to accelerate AI development in healthcare and life sciences MoreLess
Centaur Labs is a specialized data annotation platform focused on the healthcare and life sciences sectors. The company leverages a global network of thousands of medical professionals, researchers, and students to deliver high-quality, expert-verified data labeling for complex medical datasets. Centaur Labs integrates directly into clients’ data pipelines via end-to-end API solutions, enabling seamless and scalable annotation workflows.
The platform emphasizes rigorous quality control by continuously measuring labeler performance and only including annotations from contributors who meet strict quality benchmarks. Labelers are incentivized through mobile-first, performance-based competitions, ensuring consistent effort and accuracy. Each case receives multiple independent reads, with additional scrutiny applied to ambiguous examples, enhancing data reliability.
Centaur Labs provides clients with granular, labeler-level insights and comprehensive statistical analyses, such as precision-recall curves, label distribution, and agreement metrics. This transparency allows organizations to proactively identify edge cases, understand dataset nuances, and optimize model development. The company also upholds leading security and privacy standards, ensuring sensitive health data is handled with care.
Centaur Labs supports a wide range of applications, including software as a medical device, AI-enabled diagnostics, drug discovery, insurance claims processing, and AI-driven wellness solutions.
Keywords: data annotation, medical AI, healthcare data, quality control, expert labeling, API integration, medical device, drug discovery, machine learning, data privacy, edge cases, model development, real-world evidence, insurance claims, AI wellness, statistical insights
Company overview
Centaur Labs company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2017
- Headquarters
- Boston, United States
- Employees
- 72
- Open positions
- None listed
- Dealroom signal
- 87.2
Valuation & funding
Centaur Labs funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| SERIES B✓Equity / VC | Oct 2024 | $16M | $64M | Susa Ventures · Omega Venture Partners · Accel · SignalFire | ↗ |
| SUPPORT PROGRAM✓Other financing | Dec 2022 | $0 | — | PharmStars | ↗ |
| SERIES A✓Equity / VC | Aug 2021 | $15M | $60M | Global Founders Capital · Y Combinator · Tom Lee · Matrix Partners | — |
| SEED✓Equity / VC | Jun 2019 | $4M | $16M | Global Founders Capital · LEO Innovation Lab · Hack VC · Accel | — |
| SEED✓Equity / VC | Mar 2019 | $125K | $2M | Y Combinator | — |
| SEED✓Equity / VC | Sep 2018 | Undisclosed | — |
Financials
Workforce over time
Available workforce history. Financial fields without reported data are omitted.
| Year | Employees |
|---|---|
| 2026 | 78 |
| 2025 | 73 |
| 2024 | 43 |
| 2023 | 33 |
| 2022 | 31 |
| 2021 | 24 |
Growth signals
Centaur Labs website traffic
Latest recorded traffic for Centaur Labs is 14K monthly website visits, up 27.3% over the last three months. Centaur Labs's team declined 1.4% over the past year.
Comparisons
Centaur Labs compared with similar companies
Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.
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Raga AIAI testing platform which helps enterprises mitigate AI risks and make their models secure and reliable |
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BunkerHill HealthSolving the last mile problem for AI in radiology |
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CosineThe Sovereign AI Lab |
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Talent graph
Centaur Labs's talent
Source: Dealroom Talent Intelligence.
Global footprint
Where Centaur Labs has talent and traffic
team presence
In the news
Latest news about Centaur Labs
Recent press, funding announcements, and product moves mentioning Centaur Labs — open to read from the original sources.
Market sentiment
What the market is saying about Centaur Labs
An AI-synthesized read of the highest-engagement posts about Centaur Labs on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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