Function Health vs Cohere Health

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

AI visibility is closely matched (53 vs 52)
Function Health logo

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
C53
Category Rank
#223 of 596
AI Consensus
88%
Trend
stable
Per Platform
ChatGPT
50
Perplexity
54
Gemini
54

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
Cohere Health logo

Cohere Health

ChallengerDigital Health

Prior Authorization (Payer-Side AI)

Raised $50M equity ($106M total). Processes 5.5M prior authorizations/year for 15M health plan members and 420,000 providers. CMS 2026 deadline a direct growth catalyst.

AI VisibilityBeta
Overall Score
C52
Category Rank
#319 of 596
AI Consensus
73%
Trend
stable
Per Platform
ChatGPT
51
Perplexity
57
Gemini
52

About

Cohere Health (not affiliated with the AI company Cohere) is a prior authorization intelligence platform operating on the payer side of healthcare — a differentiated position from provider-facing prior auth tools. The company has raised $106 million in total equity financing and processes 5.5 million prior authorizations annually covering 15 million health plan members and 420,000 provider relationships for its health plan customers.

Full profile

AI Visibility Head-to-Head

53
Overall Score
52
#223
Category Rank
#319
88
AI Consensus
73
stable
Trend
stable
50
ChatGPT
51
54
Perplexity
57
54
Gemini
52
52
Claude
47
50
Grok
58

Key Details

Category
Longevity & Preventive Health
Prior Authorization (Payer-Side AI)
Tier
Challenger
Challenger
Entity Type
brand
brand

Capabilities & Ecosystem

Capabilities

Only Function Health
Longevity & Preventive Health
Only Cohere Health
Prior Authorization (Payer-Side AI)

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