Architecture comparison

Booking.com vs Expedia

Booking.com runs closer to the foundational model (Native (own / self-hosted weights)) than Expedia (Direct API). Shared foundation: OpenAI · GPT (highlighted).

Booking.com

Travel

Proximity

Native (own / self-hosted weights)

Models

OpenAI · GPTproprietary / self-built models

Cloud · datastore

HybridownCassandra

Compliance

SOC 2PCI DSS

Architecture

Travel marketplace; huge own ranking/pricing ML plus OpenAI for the AI Trip Planner.

Expedia

Travel

Proximity

Direct API

Models

OpenAI · GPT

Cloud · datastore

AWSownMySQL

Compliance

SOC 2PCI DSS

Architecture

Travel platform; early OpenAI customer (Romie / trip planning) over its own travel-graph ML.

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