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title: Ai4Privacy
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Open datasets, models, and privacy infrastructure for AI.

Ai4Privacy is trusted for privacy-preserving NLP and LLM workflows, including PII detection, masking, redaction, and evaluation.

15M+ downloads, 3M+ annotated entries in 33 locales with 109 entity labels 
64+ academic citations

Website: [ai4privacy.com](https://ai4privacy.com)  
Privacy framework: [p5y.org](https://p5y.org)