Function Health vs Oura

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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Oura

LeaderConsumer Tech

Smart Health Wearables

Raised $900M Series E at $11B valuation (Oct 2025). CEO projects ~$2B in 2026 sales. Launched women's health LLM (Feb 2026). Team USA LA28 Olympic partner.

About

Oura is the maker of the Oura Ring, a premium smart ring that tracks sleep, recovery, readiness, and health metrics through continuous biometric sensing. The company raised $900 million in Series E financing at an $11 billion valuation in October 2025, reflecting the doubling of its revenue to $500 million in 2024 and a projected $1.5–2 billion in 2026 sales as it expands global distribution into India, UAE, and Latin America.

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