Centaur.ai · Jul 2026
Discusses the CMS Health Tech Ecosystem pledge and argues that validation, annotation, and de-identification infrastructure are the bottleneck for shipping trustworthy AI-ready data.
Quality-first data labeling for model evaluation and training
Company research
Public company, workplace, funding, and market signals
Overview
Centaur.ai is a Boston-based healthcare AI data company that uses collective intelligence to produce expert-annotated, high-confidence training and evaluation data for high-stakes AI applications. It started in medical data labeling and now sells an on-demand, multimodal annotation and model-evaluation platform across healthcare and adjacent regulated verticals.
Primary product
Expert data annotation and model evaluation platform for healthcare AI
Founded
2017
Headquarters
Boston, Massachusetts, United States
Team size
50-60
Work style
Flexible
Industry
Software Development
Sub-industry
Healthcare AI data annotation / model evaluation
Offices
Boston, Massachusetts, United States
Business model
B2B SaaS
managed data annotation services
usage-based labeling platform
enterprise services
Funding
Stage
Series B
Total raised
$32M
Latest round
Series B · Oct 2024
Latest amount
$16M
People & investors
Leadership
Co-founder & CEO
Co-founder & VP Engineering
Co-founder & CTO
Chief Revenue Officer
Head of Product
Chief Architect
Work & culture
Mission-driven and research-heavy, with a strong emphasis on collective intelligence, performance-based expert selection, and the core value 'Every Voice Counts.' Public hiring language suggests a fast-moving, data-nerd-friendly team that is flexible about expert participation through a consultant network.
Work style
Flexible
Visa sponsorship
Limited
Compensation
Public job postings show roughly $130K-$190K for Labeler Operations Lead and $180K-$250K for Director of Partnerships, with equity, remote work options, PTO, holidays, parental leave, a professional development stipend, coworking reimbursement, and 401(k) benefits.
Benefits
competitive salary
equity
health insurance
401(k) with employer match
professional development stipend
partially reimbursed coworking space
remote work
four weeks of paid vacation
11 annual paid holidays
generous parental leave
Product & market
Pricing
Custom quote-based, sales-led enterprise pricing
Differentiators
- —collective-intelligence annotation workflow
- —expert-adjudicated labels using performance metrics
- —multimodal support across text, images, audio, video, waveforms, and DICOM
- —on-demand turnaround in under an hour
- —HIPAA-focused security posture
- —designed for high-stakes and regulated AI use cases
Technology
AWS
Google Cloud
Microsoft Azure
HubSpot
Segment
Amplitude
Mixpanel
Looker
Intercom
Customer.io
WorkOS
OpenAI
Anthropic
React
TypeScript
Python
SQL
GitHub
GitHub Actions
Terraform
Customers
Massachusetts General Hospital
Memorial Sloan Kettering
Eight Sleep
SciBite (Elsevier)
Activ Surgical
Medtronic
Stanford
Brigham and Women's Hospital
top-10 pharmaceutical companies
Competitors
Abridge
Navina
Syllable
Scale & contact
Estimated revenue
USD 1M-$10M
Estimated monthly visits
11.9K
Latest news
Centaur.ai · Mar 2026
Explains why enterprise annotation workflows can fail regulatory scrutiny and states that Centaur has contributed to 10 FDA clearances across 6 companies.
Centaur.ai · Mar 2026
Summarizes healthcare executive discussions about moving from experimentation to operational deployment and emphasizes that data quality, expert annotation, and validation determine clinical AI success.
Centaur.ai · Jan 2026
Announces a partnership with Lucem Health to help healthcare AI teams access accurate medical annotations and scale clinical AI development.
Centaur.ai · Jan 2026
Announces an oversubscribed $16M+ Series B led by SignalFire and the launch of an on-demand AI data labeling product.
Jobs and careers at Centaur
0 jobs at Centaur
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