PII Arena
GLINER detector

gliner-pii-base+cpu-int8 PII detection benchmark

Measured on 9 of 41 retained datasets under the same frozen scoring and masking protocol.

0.61%fully hidden annotations
0.62%detected / overlapped
<0.01%extra masking
CPU characters / second

Strengths

Highest complete-masking rates by normalized data type.

Bank accounts & cards5.05%95 / 1,880
Organizations2.04%93 / 4,568
Documents & identifiers1.91%113 / 5,931

Watch list

Lowest observed complete-masking rates; inspect before deployment.

Other sensitive attributes0.00%0 / 224
Network identifiers0.00%0 / 18,902
Logins & usernames0.00%0 / 8,791

Language coverage

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

LanguageDatasetsFully hidden ↑Detected ↑Extra masking ↓
English42.29%2.32%<0.01%
Russian40.15%0.16%0.00%
Multilingual10.04%0.04%

Configuration, source and version

Family
GLINER
Revision
61726e0ad791dcab3e29339bbec3ad42ded65641
Eligible datasets
9 / 41
Character F1
0.011
Untouched diagnostic
99.38% · 71,651 / 72,095
Benchmark version
1.0.3 · 2026-09-09
CPU seconds / 10k chars
Not measured
GPU seconds / 10k chars
Not measured

Results by dataset

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

DatasetGold annotationsFully hidden ↑Detected ↑Extra masking ↓
secrets-issues2880.00%0.00%0.00%
synth-ru-tickets32,0990.00%0.00%
nym-ru9,4970.01%0.01%
kiji-multi7,5650.04%0.04%
redmadrobot5,5160.29%0.31%0.00%
ameau012,2420.67%0.67%0.02%
tab-echr3,8302.35%2.45%
nemotron-pii9,3912.72%2.73%0.00%
hivetrace1,6673.48%3.48%0.00%