PII Arena
GLINER2 detector

gliner25-fastino-ru+nochunk PII detection benchmark

Measured on 5 of 41 retained datasets under the same frozen scoring and masking protocol.

45.53%fully hidden annotations
48.19%detected / overlapped
1.59%extra masking
CPU characters / second

Strengths

Highest complete-masking rates by normalized data type.

Phone numbers & email71.92%3,127 / 4,348
Passwords, keys & tokens70.13%263 / 375
Bank accounts & cards66.15%43 / 65

Watch list

Lowest observed complete-masking rates; inspect before deployment.

Logins & usernames12.69%960 / 7,565
Network identifiers19.43%3,250 / 16,729
Customer & employee IDs27.97%547 / 1,956

Language coverage

The overall leader can differ from the best choice for one language slice.

LanguageDatasetsFully hidden ↑Detected ↑Extra masking ↓
Russian545.53%48.19%1.59%

Configuration, source and version

Family
GLINER2
Revision
aaecfe45db1d828c963717054ccb868e8ad1f1d5
Eligible datasets
5 / 41
Character F1
0.577
Untouched diagnostic
51.81% · 38,785 / 74,859
Benchmark version
1.0.3 · 2026-09-09
CPU seconds / 10k chars
Not measured
GPU seconds / 10k chars
Not measured

Russian labels

Results by dataset

Complete masking is primary; detection shows whether any character overlapped.

DatasetGold annotationsFully hidden ↑Detected ↑Extra masking ↓
synth-ru-tickets32,09927.76%29.42%
factrueval7,96650.74%51.51%
redact-ru9,23059.34%63.20%11.14%
nerel24,36960.66%64.31%
jayguard1,19572.97%85.69%1.35%