Function Health vs Google Nest

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

Function Health leads in AI visibility (46 vs 35)

Function Health

ChallengerDigital Health

Longevity & Preventive Health

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.

AI VisibilityBeta
Overall Score
C46
Category Rank
#1 of 1
AI Consensus
67%
Trend
up
Per Platform
ChatGPT
52
Perplexity
43
Gemini
41

About

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.

Full profile

Google Nest

EmergingConsumer Technology

Smart Home

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.

AI VisibilityBeta
Overall Score
D35
Category Rank
#2 of 2
AI Consensus
57%
Trend
up
Per Platform
ChatGPT
30
Perplexity
45
Gemini
28

About

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.

Full profile

AI Visibility Head-to-Head

46
Overall Score
35
#1
Category Rank
#2
67
AI Consensus
57
up
Trend
up
52
ChatGPT
30
43
Perplexity
45
41
Gemini
28
43
Claude
28
37
Grok
35

Capabilities & Ecosystem

Capabilities

Only Function Health
Longevity & Preventive Health
Only Google Nest
Smart Home

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