PII Arena
EN · PII

nym-en PII detection benchmark results

A frozen evaluation slice with 734 rows, 3,584 normalized gold annotations and source-level provenance.

734input rows
3,584gold annotations
215,898characters
39measured detectors

Dataset provenance

Language group
EN
Task
PII
License
mit
Data categories
ACCOUNT, ADDRESS, CONTACT, DATE, ID, NET, ORG, OTHER, PERSON, SECRET
Project generated
No
Corrupted copy
No

Rows without annotations are not verified clean. Reported extra masking is not a human-confirmed false-positive rate.

Detector outcomes

Sorted by untouched annotations. Training-source overlaps are excluded.

DetectorFamilyUntouched ↓Fully hidden ↑Extra masking ↓Char F1 ↑
pplxPPLX3.85%94.89%2.15%0.927
openmed-multilingualHF4.10%91.29%5.25%0.925
mmbert32kHF8.59%77.57%4.02%0.885
gliner-nvidiaGLINER11.27%86.19%9.92%0.892
kalyan-ettinHF12.56%76.93%2.02%0.857
openmed-nemotronHF13.59%77.29%2.28%0.844
gravitee-smallHF13.76%84.77%3.80%0.862
aparartiOPF14.62%82.06%2.47%0.869
opf-kz-ruOPF14.87%81.64%2.81%0.857
gliner2-fastinoGLINER215.63%81.89%1.68%0.876
bardsai-euONNX16.96%73.47%0.39%0.814
openai-baseOPF18.22%78.43%1.91%0.855
ru-pii-nerRUPII21.07%77.04%1.84%0.831
gliner2-hivetrace-omniGLINER221.34%75.81%0.50%0.849
opf-ruOPF22.57%65.71%4.45%0.811
gliner-stream-piiGLINER25.81%69.14%7.96%0.790
nuner-zeroGLINER29.10%68.61%3.46%0.811
gliner2-largeGLINER229.55%66.96%0.54%0.776
gliner-pii-edgeGLINER32.09%65.96%9.50%0.764
gliner2-hivetrace-uniGLINER236.38%61.38%4.42%0.784
opf-ru-v2OPF36.83%56.61%0.31%0.747
gliner2-vladlinvGLINER238.81%60.18%1.13%0.731
tracioraOPF40.88%51.95%1.34%0.715
pii-shield-onnxONNX47.94%39.23%2.69%0.629
gliner25-fastinoGLINER248.52%49.30%0.63%0.680
stanza-ruSTANZA48.60%43.78%9.41%0.358
gliner-pii-baseGLINER49.39%50.36%2.31%0.690
ru-legal-nerHF50.20%33.43%6.25%0.630
gliner-urchadeGLINER51.95%47.63%2.68%0.682
davlan-xlmrHF57.51%37.89%0.16%0.473
ner-ru-yqelzHF57.76%38.48%4.79%0.458
davlan-mbertHF58.98%35.60%0.53%0.457
gliner-multi-v21GLINER59.71%38.11%0.26%0.479
ner-ru-ghermanHF62.92%29.24%0.14%0.396
fef2-secret-ruHF87.86%11.10%0.71%0.271
spacy-ru-lgSPACY89.01%9.88%9.02%0.148
rules-ruRULES89.31%10.44%0.00%0.302
natashaNATASHA89.70%9.26%0.18%0.137
spacy-alrosaitSPACY100.00%0.00%0.00%0.000