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Proptech · AWS

Zillow

Real-estate marketplace; the Zestimate is large in-house valuation ML; natural-language search on OpenAI.

Foundation proximity: Native (own / self-hosted weights)

Foundational models & how they consume them

Primaryown ML (Zestimate)· self-hosted · Native (own / self-hosted weights)
SecondaryGPT· OpenAI API · Direct API

Cloud & datastore

AWSownSQL Server

Compliance

SOC 2

Similar companies

Compass
Head-to-head: Zillow vs Compass

Others that build on proprietary / self-built models

Abnormal SecurityAbridgeAdobeAI21 LabsAleph AlphaAmbience

Explore

Native (own / self-hosted weights) →More on AWS →

FAQ

Does Zillow use a foundational AI model?
Zillow uses own ML (Zestimate), GPT (Native (own / self-hosted weights)).
What cloud does Zillow run on?
Zillow runs on AWS.
What database does Zillow use?
Zillow uses own, SQL Server.
How close does Zillow run to the foundational model?
Zillow is Native (own / self-hosted weights) — close to the metal, so cheaper tokens and more control over outputs.

Sources

zillow.com ↗

Also on the map

proprietary / self-built modelsOpenAI · GPT

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Architecture inferred from public sources · confidence medium · verify before betting on a detail.