Comparison
Microsoft Presidio vs AWS Comprehend PII vs Google Cloud DLP
There is no universally correct choice among Presidio, AWS Comprehend PII, and Google Cloud DLP. Presidio is the only self-hosted, fully inspectable option, suited to teams that need data residency control and are willing to manage infrastructure and model tuning. AWS Comprehend PII and Google Cloud DLP are managed services best suited to teams already operating within their respective cloud ecosystems, trading detection-logic transparency for reduced operational overhead. Google Cloud DLP adds structured-data risk analytics not present in the other two.
Overview
Three Architectures, One Problem
Enterprise teams evaluating PII detection for AI pipelines generally choose between three architectural philosophies: run detection yourself, call a managed API from an existing cloud provider,