Architecture comparison
FinTech
Cash App Money Bot + Square Managerbot run on Anthropic Claude (Sonnet) and OpenAI GPT via Block’s open-source goose agent framework (Claude is goose’s default on Databricks).
FinTech
AWS-based payments platform built on a large MongoDB deployment fronted by an in-house sharding/transaction layer (DocDB). Radar fraud detection is in-house ML; a payments foundation model was trained on transaction data.