PII Arena
EN · PII

kiji-en PII detection benchmark results

A frozen evaluation slice with 1,000 rows, 7,623 normalized gold annotations and source-level provenance.

1,000input rows
7,623gold annotations
385,103characters
41measured detectors

Dataset provenance

Language group
EN
Task
PII
License
apache-2.0
Data categories
ACCOUNT, ADDRESS, CONTACT, DATE, ID, NET, ORG, 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 ↑
nym-smallONNX2.26%96.09%0.907
nym-baseHF2.74%95.36%0.901
gliner2-fastinoGLINER23.21%96.05%0.878
gliner-nvidiaGLINER3.63%93.11%0.874
pplxPPLX4.07%95.74%0.863
bardsai-euONNX4.18%89.69%0.842
gravitee-smallHF4.25%95.26%0.923
gliner2-hivetrace-omniGLINER24.36%95.04%0.883
openmed-multilingualHF4.83%93.31%0.894
openmed-nemotronHF8.23%89.09%0.856
kalyan-ettinHF8.93%86.00%0.845
gliner-stream-piiGLINER9.94%85.82%0.849
mmbert32kHF12.84%77.45%0.845
gliner2-largeGLINER213.28%85.92%0.850
aparartiOPF14.61%84.77%0.825
openai-baseOPF15.19%84.36%0.810
opf-kz-ruOPF16.25%82.82%0.824
tracioraOPF20.08%76.64%0.794
opf-ru-v2OPF23.31%73.61%0.788
nuner-zeroGLINER23.84%73.68%0.804
opf-ruOPF24.70%69.15%0.783
gliner25-fastinoGLINER225.00%74.09%0.802
stanza-ruSTANZA27.36%70.38%0.458
gliner2-hivetrace-uniGLINER227.56%71.43%0.788
gliner-multi-v21GLINER30.30%67.32%0.668
ru-pii-nerRUPII32.40%66.84%0.715
gliner-pii-baseGLINER36.36%62.06%0.750
davlan-xlmrHF37.56%60.04%0.646
gliner-urchadeGLINER38.41%60.13%0.746
ner-ru-ghermanHF38.44%56.25%0.591
gliner-pii-edgeGLINER39.41%59.11%0.718
davlan-mbertHF42.04%56.33%0.630
gliner2-vladlinvGLINER244.79%54.87%0.663
ner-ru-yqelzHF44.94%51.65%0.575
pii-shield-onnxONNX56.54%37.58%0.637
ru-legal-nerHF63.24%28.02%0.554
spacy-ru-lgSPACY79.34%20.54%0.243
fef2-secret-ruHF84.82%13.71%0.310
natashaNATASHA85.81%14.04%0.203
rules-ruRULES91.87%7.84%0.317
spacy-alrosaitSPACY100.00%0.00%0.000