Architecture comparison

Best Buy vs Walmart

Walmart runs closer to the foundational model (Native (own / self-hosted weights)) than Best Buy (Cloud-hosted (Bedrock/Vertex/Azure)). No shared foundational model — different bets.

Best Buy

Retail

Proximity

Cloud-hosted (Bedrock/Vertex/Azure)

Models

Google · Gemini

Cloud · datastore

GCPownMySQL

Compliance

SOC 2PCI DSS

Architecture

Retailer using Google Cloud Gemini for support + shopping assistants over its catalog.

Walmart

Retail

Proximity

Native (own / self-hosted weights)

Models

proprietary / self-built modelsOpenAI · GPT

Cloud · datastore

HybridownAzure

Compliance

SOC 2PCI DSS

Architecture

Trains Wallaby, its own retail-tuned LLMs, alongside partner LLMs for its shopping super-assistant; huge in-house ML.

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