AI Summary
Prompt injection detector benchmarked against ProtectAI's deberta-v3, claiming higher accuracy and smaller model size.
Prompt injection detector beats ProtectAI by 19% accuracy, 8.9x smaller
- Hacker News
Prompt injection detector benchmarked against ProtectAI's deberta-v3, claiming higher accuracy and smaller model size.
Best for
AI safety researchers / LLM developers / Security professionals
Why it matters
Provides an alternative prompt injection detection model with reported improvements in accuracy and efficiency compared to a widely used model.
Key Features
- Prompt injection detection
- Benchmarked accuracy: 91.68%
- Benchmarked precision: 95.84%
- Model size: 8.9x smaller than competitor
Use Cases
- Identifying and mitigating prompt injection attacks
- Enhancing the security of LLM applications
- Evaluating prompt injection detection models
Why Now
A recent Hacker News mention highlights a new prompt injection detector that claims 19% higher accuracy and is 8.9x smaller than the leading HuggingFace model, ProtectAI's deberta-v3.
Community Signals
Trend score
0
24h momentum
Stable
Hacker News points
3
Stable
Facts / Signals / Inference / Unknowns
Facts
- Listed on Hacker News as "Prompt injection detector beats ProtectAI by 19% accuracy, 8.9x smaller".
- Source description: 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....
- Source publish date is 2026-04-08.
- Description: 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....
- Primary public product URL is https://huggingface.co/hlyn/prompt-injection-judge-deberta-70m.
Signals
- Hacker News mention is recent (2026-04-08).
- Primary discovery source is Hacker News.
Inference
Trust data is still pending
The evidence pipeline has not produced enough structured trust blocks for this product yet.
Unknowns
- Documentation is not explicitly linked in the current allowed evidence set.
- No tagline is stored on the current product record.
- Pricing details are not explicitly linked in the current allowed evidence set.
- Recent changelog or release history is not explicitly linked in the current allowed evidence set.
Evidence Snapshots
Prompt injection detector beats ProtectAI by 19% accuracy, 8.9x smaller
Listed on Hacker News as "Prompt injection detector beats ProtectAI by 19% accuracy, 8.9x smaller".
Prompt injection detector beats ProtectAI by 19% accuracy, 8.9x smaller official profile
Primary public product URL is https://huggingface.co/hlyn/prompt-injection-judge-deberta-70m.
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