Release v1.0.3
PII Arena results — September 2026
Frozen September 2026 PII and secret detector results across 41 datasets, 227,466 annotations and 2,591 saved prediction runs.
41datasets
41,643input rows
227,466normalized annotations
2,591saved prediction runs
Reference composition outcome
PPLX + Fastino GLiNER2 + mmBERT + BardsAI is a fixed reference composition used to illustrate masking behavior across the same retained datasets.
- Untouched annotations
- 1.43% · 3,254 / 227,466
- Fully hidden annotations
- 94.40% · 214,738 / 227,466
- Characters masked in unannotated rows
- 19.82%
- Result revision
- 2026-09-19
The composition was inspected on this benchmark rather than selected on an independent deployment holdout. These figures are not production leak probabilities.