◆ Gentoo Logic · Modeling Warehouse

Architecture comparison

Brex vs SoFi

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

Brex

FinTech

Proximity
Direct API
Models
OpenAI · GPTAnthropic · Claude
Cloud · datastore
AWSPostgreSQLKafka
Compliance
SOC 2PCI DSS
Architecture

AWS-based corporate-card/spend platform on PostgreSQL with Kafka eventing. Brex Assistant uses OpenAI/Anthropic over its own financial data and an agentic spend layer.

SoFi

FinTech

Proximity
Direct API
Models
OpenAI · GPT
Cloud · datastore
AWSPostgreSQL
Compliance
SOC 2PCI DSS
Architecture

Digital finance; in-house risk ML plus OpenAI for member support/assistant.

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