PII Arena
EN · SECRETS

synth-secrets-en PII detection benchmark results

A frozen evaluation slice with 600 rows, 581 normalized gold annotations and source-level provenance.

600input rows
581gold annotations
273,798characters
41measured detectors

Dataset provenance

Language group
EN
Task
SECRETS
License
cc-by-4.0
Data categories
SECRET
Project generated
Yes
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 ↑
pplxPPLX0.17%97.42%43.92%0.330
pii-shield-onnxONNX0.34%97.76%70.06%0.241
openmed-multilingualHF0.86%82.44%41.95%0.335
opf-ruOPF1.72%77.45%29.14%0.404
opf-kz-ruOPF1.72%91.39%47.61%0.319
aparartiOPF2.93%87.95%50.54%0.304
opf-ru-v2OPF3.96%78.66%32.22%0.378
tracioraOPF5.51%70.57%30.64%0.396
nym-baseHF6.02%62.48%32.00%0.354
nym-smallONNX6.71%57.31%30.86%0.352
bardsai-euONNX7.06%73.49%27.99%0.398
openai-baseOPF7.06%84.51%49.46%0.300
ru-legal-nerHF10.84%33.56%27.21%0.368
openmed-nemotronHF12.91%57.14%33.81%0.353
kalyan-ettinHF14.46%48.02%25.69%0.379
gliner-pii-edgeGLINER16.35%70.57%24.36%0.400
rules-ruRULES17.73%81.76%16.69%0.519
mmbert32kHF21.69%20.83%33.00%0.255
fef2-secret-ruHF28.92%53.18%4.40%0.574
gravitee-smallHF29.09%46.30%11.10%0.356
gliner2-fastinoGLINER235.46%58.00%4.59%0.466
nuner-zeroGLINER35.63%53.18%4.00%0.483
gliner-nvidiaGLINER35.63%61.96%11.22%0.473
gliner25-fastinoGLINER243.20%54.04%22.91%0.261
gliner2-hivetrace-omniGLINER245.44%54.22%6.50%0.422
gliner-stream-piiGLINER51.46%41.31%4.13%0.390
stanza-ruSTANZA54.91%20.65%15.70%0.227
gliner-pii-baseGLINER65.40%31.15%2.63%0.319
gliner-urchadeGLINER69.36%27.88%1.31%0.258
gliner2-vladlinvGLINER272.98%25.13%3.28%0.189
gliner-multi-v21GLINER74.87%18.24%1.95%0.131
gliner2-largeGLINER280.55%17.73%2.10%0.141
ru-pii-nerRUPII85.37%10.67%4.62%0.111
ner-ru-yqelzHF88.64%5.68%14.06%0.080
gliner2-hivetrace-uniGLINER299.14%0.86%0.09%0.006
ner-ru-ghermanHF100.00%0.00%0.01%0.000
spacy-ru-lgSPACY100.00%0.00%0.78%0.000
davlan-xlmrHF100.00%0.00%0.00%0.000
davlan-mbertHF100.00%0.00%0.01%0.000
natashaNATASHA100.00%0.00%0.35%0.000
spacy-alrosaitSPACY100.00%0.00%0.00%0.000