◆ Gentoo Logic · Modeling Warehouse

Architecture comparison

Airbnb vs Instacart

Airbnb runs closer to the foundational model (Direct API) than Instacart (Direct API). Shared foundation: OpenAI · GPT (highlighted).

Airbnb

Marketplace

Proximity
Direct API
Models
OpenAI · GPT
Cloud · datastore
AWSMySQL (Vitess)HBaseElasticsearch
Compliance
SOC 2PCI DSSGDPR
Architecture

AWS-native marketplace that evolved a Rails monolith into services over sharded MySQL (Vitess) + HBase. Search/pricing are in-house ML. Created Apache Airflow; AI customer-support uses LLMs.

Instacart

Marketplace

Proximity
Direct API
Models
OpenAI · GPT
Cloud · datastore
GCPPostgreSQLBigQuery
Compliance
SOC 2
Architecture

Own catalog/logistics ML; an early, prominent OpenAI customer for search + Ask Instacart.

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