Google AI ModeSep 9, 2026
Presidio (by Microsoft): While not exclusively an LLM tool, Microsoft Presidio is the industry gold standard for programmatic PII detection and anonymization.
Data as of Oct 7, 2026Based on 47,916 AI responses
Reviewed by Dimitry Apollonsky ·
AI summary
Presidio is an open-source data privacy framework and SDK that detects and de-identifies personally identifiable information across text and images using tools like its Analyzer and Anonymizer. It is the usual answer when teams need to redact sensitive data from user inputs before sending them to a third-party LLM, prevent PII leaks into vector stores, or scan inputs and outputs for compliance.
Hosted on GitHub Pages
Question: Best PII-redaction/content filtering for LLM features?
Google AI ModeSep 9, 2026
Presidio (by Microsoft): While not exclusively an LLM tool, Microsoft Presidio is the industry gold standard for programmatic PII detection and anonymization.
Since Jul 5
Presidio's share in each topic, as its page ranks it
Rank
The market map
LLM Security and Governance PlatformsMentioned in
Question: What's the best open-source library for training a custom named-entity recognition (NER) model?
ChatGPT SearchJun 24, 2026
Presidio (with spaCy backend) → focused on entity extraction + PII use cases
Question: We need to redact PII from user inputs before sending them to a third-party LLM. What's the best PII redaction API with high accuracy?
Google AI ModeJun 10, 2026
Presidio (by Microsoft): An open-source, highly customizable SDK that excels at detecting PII in text and images
Position in the answer
71% of what AI says about Presidio is positive, and it is the pick in 97% of recommendations.
Common descriptions
open-source · customizable · open-source sdk · self-hosted · highly customizable · excellent
microsoft.github.io 15%Other sites 85%
Excerpts where Presidio appeared in the AI's answer
Presidio (by Microsoft): While not exclusively an LLM tool, Microsoft Presidio is the industry gold standard for programmatic PII detection and anonymization.
Excerpts where Presidio appeared in the AI's answer
Presidio (by Microsoft): An open-source, highly customizable SDK that excels at detecting PII in text and images
