Costco Pharmacy vs DUOS

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

Costco Pharmacy logo

Costco Pharmacy

ChallengerHealthcare

Warehouse Pharmacy

NYSE: COST | $2.6B Rx revenue 2024 (11th largest US pharmacy); 19%+ prescription growth; below-market drug pricing open to non-members in most states; no PBM markup model

AI VisibilityBeta
Overall Score
C47
Category Rank
#1 of 2
AI Consensus
63%
Trend
up
Per Platform
ChatGPT
43
Perplexity
54
Gemini
46

About

Costco Pharmacy operates as a pharmacy benefit integrated directly into Costco's warehouse membership model, offering prescription drug dispensing at significantly below-market prices by leveraging Costco's bulk purchasing power and low-margin retail philosophy. Founded as an extension of Costco Wholesale's membership warehouse business, the pharmacy operates on the principle that drug costs should be transparent and accessible, a differentiated stance in an industry dominated by opaque PBM pricing arrangements. Costco Pharmacy serves both Costco members and, in most states, non-members who can access the pharmacy counter without a warehouse membership.\n\nThe pharmacy operates across 650+ Costco warehouse locations in the United States, Puerto Rico, and internationally, offering a formulary of generic and brand-name prescription drugs at prices that often undercut major chains by 50–80%. Costco does not participate in most prescription drug insurance networks, which keeps overhead low and pricing simple — members pay a known cash price rather than navigating co-pay structures. The pharmacy also offers compounding services, pet medications, and immunizations at select locations, and integrates with Costco's optical and hearing aid departments to serve the full healthcare needs of its membership base.\n\nCostco Pharmacy is consistently ranked among the lowest-cost pharmacy options in independent drug pricing surveys, creating strong loyalty among members managing chronic conditions or high-cost specialty medications. The pharmacy benefits from Costco's 130 million+ cardholders globally, who view low-cost pharmacy access as one of the core value drivers of their membership. As PBM reform and drug pricing transparency become legislative priorities in the US, Costco's no-frills cash-pay model is increasingly viewed as a reference point for what pharmacy pricing could look like without intermediary markup layers.

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DUOS logo

DUOS

GrowthHealthcare

AI Member Activation & Benefits

Raised $130M strategic growth equity led by FTV Capital in October 2025, bringing total funding to $163M to expand its senior-focused AI platform across Medicare Advantage, Medicaid, and ACA markets.

About

DUOS is an AI-powered digital health platform purpose-built for senior member activation and benefits execution, helping health plans drive engagement and measurable outcomes across their populations. The platform connects older adults to untapped benefits, care resources, and social services through a personalized AI layer integrated with payer workflows. Backed by $163M in total funding including FTV Capital and Forerunner Ventures, DUOS is scaling rapidly across Medicare Advantage and Medicaid nationally.

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Key Details

Category
Warehouse Pharmacy
AI Member Activation & Benefits
Tier
Challenger
Growth
Entity Type
brand
brand

Capabilities & Ecosystem

Capabilities

Only Costco Pharmacy
Warehouse Pharmacy

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