On-device pseudonymizer: built and benchmarked
2026-05-22 · Caiioo Team
We built an on-device Pseudonymizer that scrubs real identifiers out of prompts before they reach an LLM, then restores them in the reply — covering general personal data and HIPAA Safe Harbor. Here's why we built it, how the regex-plus-ML design works, and how it scores on published benchmarks.