Side-by-side comparison of AI visibility scores, market position, and capabilities
Perpetua is an AI-powered advertising optimization platform for Amazon, Instacart, and retail media, helping brands grow with automated campaign management and market intelligence.
Perpetua is an advertising technology company headquartered in San Francisco that provides AI-powered advertising optimization for brands selling on Amazon, Instacart, Target, and other retail media platforms — automating the campaign creation, bid management, and performance optimization workflows that drive retail media program results for brand teams and the agencies that manage their advertising. Founded in 2018 and backed by leading growth investors, Perpetua was built to make retail media advertising accessible and effective for brands that lack the in-house advertising operations expertise and analyst headcount to manually manage the continuous bid optimization, keyword expansion, and negative keyword maintenance that Amazon advertising at scale demands.
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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