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Show HN: Prompt injection detector beats ProtectAI by 19% accuracy, 8.9x smaller

https://huggingface.co/hlyn/prompt-injection-judge-deberta-70m
3•Karan047•2h ago
ProtectAI's deberta-v3 is the most downloaded prompt injection classifier on HuggingFace. We benchmarked directly against it on Qualifire's independent dataset (excluded from our training).

* 91.68% vs 72.28% accuracy

* 95.84% vs 65.33% precision — they block 1 in 3 legitimate users

* 83MB vs 739MB ONNX size

* 101ms vs 646ms on CPU

Comments

prabhkesar•2h ago
Prompt injection will never be solved. Instruction following is the product.
Karan047•2h ago
Nothing in cybersecurity is truly solved—only made harder, Prompt injection is no different.

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Show HN: Prompt injection detector beats ProtectAI by 19% accuracy, 8.9x smaller

https://huggingface.co/hlyn/prompt-injection-judge-deberta-70m
3•Karan047•2h ago•2 comments