◆ Gentoo Logic · Modeling Warehouse

Architecture comparison

Brex vs Klarna

Brex runs closer to the foundational model (Direct API) than Klarna (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.

Klarna

FinTech

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

AWS-native BNPL that built its customer-service assistant directly on OpenAI, reportedly handling two-thirds of chats.

← Full orbit map · Score your own stack →