Medical

5 vendors.

• Gradient Health — De-identified multimodal patient data for medical-AI developers through its Atlas platform.
• iMerit — Expert-led annotation and fine-tuning services backed by its own workflow tooling.
• Mercor — Recruits domain experts at scale and turns their work into training data, benchmarks and agent-training tasks for labs and enterprises.
• Perle AI — Routes work from a large international pool of credentialed professionals into AI training and evaluation projects.
• Snorkel AI — Builds specialized datasets, benchmarks and evaluation environments aimed at high-stakes domains for frontier models and agents.