PII Arena
EN · PII

privy PII detection benchmark results

A frozen evaluation slice with 1,500 rows, 1,899 normalized gold annotations and source-level provenance.

1,500input rows
1,899gold annotations
467,860characters
40measured detectors

Dataset provenance

Language group
EN
Task
PII
License
mit
Data categories
ADDRESS, CONTACT, 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 ↑
gravitee-smallHF0.42%99.21%1.91%0.878
nym-baseHF3.63%83.36%11.50%0.470
pplxPPLX5.06%91.84%14.04%0.419
nym-smallONNX6.74%79.09%11.13%0.460
gliner-nvidiaGLINER17.38%78.78%7.34%0.545
nuner-zeroGLINER20.01%76.67%2.17%0.786
gliner2-fastinoGLINER220.06%77.46%4.19%0.630
mmbert32kHF22.38%60.40%6.08%0.558
gliner2-hivetrace-omniGLINER224.43%73.99%5.72%0.548
aparartiOPF24.43%69.25%10.42%0.419
opf-kz-ruOPF24.91%68.51%10.21%0.417
opf-ruOPF25.28%59.87%11.62%0.362
kalyan-ettinHF25.33%55.45%4.79%0.547
pii-shield-onnxONNX27.86%63.93%56.48%0.108
openai-baseOPF31.17%63.82%8.68%0.418
gliner2-largeGLINER231.38%64.56%4.31%0.562
gliner-stream-piiGLINER31.96%66.14%0.93%0.746
gliner25-fastinoGLINER236.97%61.19%2.77%0.623
gliner-urchadeGLINER39.55%59.29%5.23%0.486
opf-ru-v2OPF39.55%51.13%8.16%0.385
tracioraOPF40.13%49.82%8.04%0.378
gliner2-hivetrace-uniGLINER241.18%56.82%6.31%0.408
gliner-pii-baseGLINER41.71%57.56%3.08%0.552
openmed-nemotronHF42.60%42.07%6.17%0.450
ru-pii-nerRUPII45.71%49.29%3.28%0.474
gliner-pii-edgeGLINER47.81%48.55%8.92%0.351
ru-legal-nerHF48.50%35.18%11.64%0.301
bardsai-euONNX51.13%35.02%6.10%0.419
gliner-multi-v21GLINER56.45%39.23%5.57%0.345
davlan-mbertHF60.40%30.28%0.11%0.509
davlan-xlmrHF64.40%26.49%0.01%0.496
ner-ru-ghermanHF65.40%20.59%0.10%0.386
ner-ru-yqelzHF65.61%23.49%1.94%0.440
gliner2-vladlinvGLINER266.19%33.33%1.63%0.349
stanza-ruSTANZA79.94%11.11%8.32%0.173
rules-ruRULES84.62%15.22%0.06%0.384
natashaNATASHA90.63%8.85%3.93%0.090
fef2-secret-ruHF92.47%6.42%0.75%0.155
spacy-ru-lgSPACY95.73%3.21%3.38%0.052
spacy-alrosaitSPACY100.00%0.00%0.00%0.000