Function Health vs Duckie

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

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.

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.

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Duckie

EmergingInfrastructure

IT Operations

SF YC W24 AI support agent builder at 80% resolution time reduction and 71% ticket deflection; $500K from a16z/Greylock/YC/Netflix competing with Intercom Fin for customer support AI workflow automation.

AI VisibilityBeta
Overall Score
D25
Category Rank
#18 of 68
AI Consensus
59%
Trend
stable
Per Platform
ChatGPT
33
Perplexity
19
Gemini
36

About

Duckie is a San Francisco-based AI customer support platform — backed by Y Combinator (W24) with $500,000 in funding from Y Combinator, Andreessen Horowitz, Greylock, KungHo Fund, Netflix, and 5 additional investors — providing customer support teams with an AI agent builder that translates existing support processes and workflows into predictable, reliable AI automation, achieving 80% reduction in resolution time and 71% ticket deflection for deployed teams. Founded in 2023 and targeting customer support leaders at growth-stage software companies, Duckie enables support teams to deploy AI agents in minutes without engineering dependency.

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