Zilliz vs a2z Radiology AI

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

Zilliz

ChallengerData & Analytics

Vector Databases & AI Search

Creator of Milvus, most adopted open-source vector database (40K+ GitHub stars, 100M+ downloads). Founded 2017, Redwood City. Raised ~$113-132M. Private.

AI VisibilityBeta
Overall Score
B66
Category Rank
#3 of 3
AI Consensus
85%
Trend
stable
Per Platform
ChatGPT
75
Perplexity
71
Gemini
75

About

Zilliz is an AI infrastructure company founded in 2017 by Charles Xie, headquartered in Redwood City, California. It created and maintains Milvus, the world's most widely adopted open-source vector database with 40,000+ GitHub stars and 100M+ downloads. Raised approximately $113-132 million including a $60M Series B in August 2022.

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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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