Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $298M Series B (Nov 2025) at $2.5B valuation. Largest-ever longevity raise. 160+ lab tests + full-body MRI. Medical Intelligence AI model launched.
Function Health is a consumer preventive diagnostics company offering 160+ laboratory tests plus a $499 full-body MRI scan, all direct-to-consumer with AI-powered health intelligence layered on top. The company raised $298 million in Series B financing in November 2025 at a $2.5 billion valuation — the largest private fundraise in the longevity and preventive health space in history. The Medical Intelligence generative AI model, launched alongside the round, personalizes health guidance based on longitudinal biomarker data accumulated across repeat testing cycles.
Alphabet (NASDAQ: GOOGL) smart home brand with Nest thermostat, cameras, and displays; Google Home and Matter integration competing with Amazon Echo/Ring and Apple HomeKit for smart home ecosystem.
Google Nest is Alphabet's (NASDAQ: GOOGL) smart home device brand — offering the Nest Learning Thermostat, Nest Cam security cameras, Nest Doorbell, Nest Protect smoke and CO detector, Google Nest Hub smart displays, and Google Nest Mini speaker — providing an integrated home automation ecosystem controlled through Google Home app and Google Assistant voice commands. Google acquired Nest Labs in 2014 for $3.2 billion and rebranded all Google smart home hardware to "Google Nest" in 2019, positioning the combined portfolio against Amazon's Echo/Ring/Blink ecosystem and Apple HomeKit for smart home platform dominance.
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