
AI/ML
Cobalt
Cobalt AI Technologies Inc. provides expert data products to frontier AI labs, uniquely combining a network of over 24,700 domain experts with its proprietary data annotation software. It also develops enterprise AI deployment solutions.
- Team size
- 1-10
- Founded 2025
- Total raised
- $51.5M
- Pre-seed · last round Feb '26
About Cobalt
Cobalt sells expert data to frontier AI labs. The platform combines a network of 24,700+ credentialed domain experts across 1,300+ hospitals, universities and research centers with Cobalt's own annotation software. Labs use it for expert annotation, RL environments, evals and clinician-anchored benchmarks. 116,000+ expert reasoning traces delivered so far. The team is also building an enterprise AI business for healthcare revenue cycle management: LLM-based billing-code matching that finds revenue health systems never collected.
Culture & values
an early-stage, high-pressure, founder-led environment.
Funding
$51.5Mtotal raised
- Feb 2026 · Pre-seed$1M
- Aug 2020 · Series B$29M
- Jan 2019 · Series A$13M
- May 2018 · Series A$5M
Company at a glance
The team at Cobalt
1-10 peopleSee everyone on LinkedIn
Location
Team Composition
4 people- Consulting1
- Customer Service1
- General Management1 senior1
- Marketing1
Life at Cobalt
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