OpenAI released Privacy Filter, an open-source PII detection model, on Hugging Face. Yuvraj Sharma, Freddy Boulton, and Abubakar Abid built three demo apps using it. The 1.5B-parameter model detects eight PII categories in a single forward pass over a 128k-token context. All three apps use gradio.Server to pair custom frontends with Gradio's queueing and ZeroGPU allocation.
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