Architecture comparison

Epic Systems vs Tempus

Tempus runs closer to the foundational model (Native (own / self-hosted weights)) than Epic Systems (Cloud-hosted (Bedrock/Vertex/Azure)). Shared foundation: OpenAI · GPT (highlighted).

Epic Systems

Healthcare

Proximity

Cloud-hosted (Bedrock/Vertex/Azure)

Models

OpenAI · GPT

Cloud · datastore

HybridInterSystems Cacheown

Compliance

HIPAASOC 2

Architecture

Dominant EHR on its own InterSystems stack; generative features run on Azure OpenAI via the Microsoft partnership.

Tempus

Healthcare

Proximity

Native (own / self-hosted weights)

Models

proprietary / self-built modelsOpenAI · GPT

Cloud · datastore

GCPBigQueryown

Compliance

HIPAASOC 2

Architecture

Precision-medicine platform with its own multimodal genomic/clinical models plus LLMs for clinician copilots.

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