Cohere Health vs a2z Radiology AI

Side-by-side comparison of AI visibility scores, market position, and capabilities

Cohere Health

ChallengerDigital Health

Prior Authorization (Payer-Side AI)

Raised $50M equity ($106M total). Processes 5.5M prior authorizations/year for 15M health plan members and 420,000 providers. CMS 2026 deadline a direct growth catalyst.

About

Cohere Health (not affiliated with the AI company Cohere) is a prior authorization intelligence platform operating on the payer side of healthcare — a differentiated position from provider-facing prior auth tools. The company has raised $106 million in total equity financing and processes 5.5 million prior authorizations annually covering 15 million health plan members and 420,000 provider relationships for its health plan customers.

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a2z Radiology AI

EmergingEnterprise AI

Medical Imaging AI

a2z Radiology AI raised $20M in 2025 for its whole-body AI that simultaneously screens for 24+ conditions across CT scans — from incidental cancers to cardiovascular risk — in a single automated read.

About

a2z Radiology AI has developed a whole-body CT analysis platform that simultaneously screens for over 24 medical conditions across a single CT scan, including incidental cancers, coronary artery disease, aortic aneurysm, bone density loss, and organ abnormalities. The AI acts as a second reader that radiologists can use to catch incidental findings that fall outside the primary reason for a scan — a major source of missed diagnoses.

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