Side-by-side comparison of AI visibility scores, market position, and capabilities
Creator of Milvus, most adopted open-source vector database (40K+ GitHub stars, 100M+ downloads). Founded 2017, Redwood City. Raised ~$113-132M. Private.
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.
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.
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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