Prompt Injection Defense on PIArena
1SQuAD v2 ASRWARD
Evaluation Results
| Method | Links | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WARDModel size=2b2026.05 | 1 | 8 | 2 | 9 | 6 | 3 | 2 | 6 | 0 | 1 | 1 | 0 | 1 | 3.08 | |
| WARDModel size=0.8b2026.05 | 2 | 7 | 3 | 6 | 7 | 3 | 4 | 6 | 0 | 2 | 1 | 0 | 1 | 3.23 | |
| DataSentinel2026.05 | 78 | 84 | 81 | 83 | 37 | 39 | 54 | 11 | 4 | 44 | 45 | 0 | 21 | 45.71 | |
| PromptArmor2026.05 | 100 | 100 | 99 | 100 | 98 | 90 | 96 | 82 | 75 | 100 | 100 | 70 | 89 | 92.21 | |
| PromptGuard2026.05 | 100 | 100 | 99 | 100 | 99 | 72 | 92 | 89 | 79 | 100 | 99 | 78 | 91 | 92.14 |