Architecture comparison
FinTech
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.
FinTech
AWS-native finance-automation/corporate-card platform on PostgreSQL, AI-first in positioning: LLM agents (OpenAI/Anthropic) automate expense categorization, approvals and procurement over transaction data.