◆ Gentoo Logic · Modeling Warehouse

Architecture comparison

Adyen vs Plaid

No shared foundational model — different bets.

Adyen

FinTech

Proximity
Off the LLM map (in-house non-LLM ML)
Models
—
Cloud · datastore
On-PremPostgreSQL
Compliance
PCI DSS Level 1SOC 2ISO 27001
Architecture

Unusually for its scale, runs its own data centers (not a hyperscaler) on a single Java platform over PostgreSQL for full control of the payment path. RevenueProtect fraud scoring is in-house ML.

Plaid

FinTech

Proximity
Off the LLM map (in-house non-LLM ML)
Models
—
Cloud · datastore
AWSMongoDBPostgreSQL
Compliance
SOC 2ISO 27001GDPR
Architecture

AWS-hosted financial-data network connecting apps to banks; MongoDB + PostgreSQL behind a heavy data-normalization and anti-fraud ML layer. AI is in-house risk/identity models, not a public LLM brand.

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