◆ Gentoo Logic · Modeling Warehouse

Architecture comparison

Carta vs Stripe

No shared foundational model — different bets.

Carta

FinTech

Proximity
Off the LLM map (in-house non-LLM ML)
Models
—
Cloud · datastore
AWSPostgreSQL
Compliance
—
Architecture

Carta operates a proprietary, cloud-based equity and private capital management platform, most likely hosted on AWS using a relational database such as PostgreSQL. Public information focuses on product capabilities rather than disclosing detailed production architecture, so deeper specifics cannot be reliably verified.

Stripe

FinTech

Proximity
Off the LLM map (in-house non-LLM ML)
Models
—
Cloud · datastore
HybridMongoDB Community Editioncustom in-house DocDB layerdatabase proxy serverssharded replica sets
Compliance
PCI Level 1 Service ProviderSOC 2GDPR
Architecture

Stripe’s current production data layer is built around an in-house DocDB system that extends MongoDB Community Edition, with thousands of shards, in-house proxy/routing services, and zero-downtime migration tooling. Public sources also show Stripe using AWS services in production, so the most defensible classification is Hybrid rather than AWS-only.

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