Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $220M Series E at $2B (Founders Fund). 1M solar-powered AI cow collars sold. 2,000+ ranchers across NZ, Australia, US (March 2026).
Halter is a New Zealand-based agricultural technology company that develops solar-powered GPS-enabled cattle collars and farm management software for virtual fencing and animal monitoring. The collars use audio cues and gentle vibrations to contain and herd cattle within virtual boundaries, allowing ranchers to move herds from a smartphone without physical fencing.
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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