PII Arena
GLINER detector

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

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

9.58%fully hidden annotations
11.62%detected / overlapped
0.49%extra masking
CPU characters / second

Strengths

Highest complete-masking rates by normalized data type.

Dates & times35.73%665 / 1,861
Documents & identifiers31.78%1,885 / 5,931
Bank accounts & cards28.83%542 / 1,880

Watch list

Lowest observed complete-masking rates; inspect before deployment.

Network identifiers0.34%65 / 18,902
Organizations1.82%83 / 4,568
Logins & usernames5.23%460 / 8,791

Language coverage

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

LanguageDatasetsFully hidden ↑Detected ↑Extra masking ↓
English411.69%12.89%0.52%
Russian47.68%10.10%0.42%
Multilingual117.48%18.77%

Configuration, source and version

Family
GLINER
Revision
9b7f39b0a2da971a5beea78d35f1539d4009c891
Eligible datasets
9 / 41
Character F1
0.149
Untouched diagnostic
88.38% · 63,718 / 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 ↓
synth-ru-tickets32,0991.24%2.76%
tab-echr3,8303.29%3.81%
ameau012,2425.93%6.42%0.38%
secrets-issues28811.11%15.63%0.55%
nemotron-pii9,39116.51%18.05%0.00%
kiji-multi7,56517.48%18.77%
nym-ru9,49718.26%20.96%
redmadrobot5,51619.07%23.95%0.42%
hivetrace1,66733.53%43.73%0.43%