Perplexity open-sources its PII classifier for hybrid compute, a ~596M-param Qwen3 model

AravSrinivas · x · 2026-09-01

Perplexity open-sourced the PII classifier that decides when hybrid compute routes a workload to the local model. Available on Hugging Face as perplexity-ai/pplx-pii-masking, the model is built on Qwen3 (596M parameters, mostly BF16), MIT-licensed, multilingual, and performs token classification for privacy/PII masking before data leaves the device.

Related event: Perplexity Brings Hybrid Compute to Mac App and Open-Sources PII Classifier(9 posts)→

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