PII Arena
GLINER2 detector

gliner2-hivetrace-uni PII detection benchmark

Measured on 39 of 41 retained datasets under the same frozen scoring and masking protocol.

49.89%fully hidden annotations
55.11%detected / overlapped
1.27%extra masking
3,424CPU characters / second

Strengths

Highest complete-masking rates by normalized data type.

Phone numbers & email79.60%16,279 / 20,450
Logins & usernames78.36%8,684 / 11,082
Documents & identifiers69.63%9,816 / 14,097

Watch list

Lowest observed complete-masking rates; inspect before deployment.

Network identifiers2.15%529 / 24,593
Other sensitive attributes9.98%320 / 3,207
Passwords, keys & tokens20.36%1,278 / 6,278

Language coverage

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

LanguageDatasetsFully hidden ↑Detected ↑Extra masking ↓
English1651.76%54.99%1.13%
Russian1944.58%50.52%1.61%
Multilingual463.60%67.97%1.12%

Configuration, source and version

Family
GLINER2
Revision
5644cdb7c953463fa3a370e76617c03c2dd29f92
Eligible datasets
39 / 41
Character F1
0.571
Untouched diagnostic
44.89% · 95,890 / 213,591
Benchmark version
1.0.3 · 2026-09-09
CPU seconds / 10k chars
2.921
GPU seconds / 10k chars
Not measured

source overlap: nemotron-pii, gretel-multi

Results by dataset

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

DatasetGold annotationsFully hidden ↑Detected ↑Extra masking ↓
synth-env-configs3920.51%0.51%0.14%
synth-secrets-en5810.86%0.86%0.09%
synth-secrets-ru5811.03%1.03%0.21%
rubai-ru3,4584.80%49.02%
corrupt-secrets-issues2885.21%14.93%0.44%
secrets-issues2887.99%13.89%0.45%
secrets-rules74613.81%14.88%4.30%
factrueval7,96614.01%14.24%
arthur-passwords28015.00%15.00%1.49%
leaky-repo9516.84%18.95%0.00%
leak-museum10118.81%18.81%0.54%
alexen21,26121.81%87.31%4.51%
creddata77622.81%23.84%2.10%
tab-echr3,83024.65%33.29%
synth-jira-comments2,70535.53%36.56%
synth-ru-tickets32,09939.77%43.43%
synth-wiki-tables13,09440.84%41.74%
ameau012,24241.44%41.53%0.82%
multiconer-ru1,20843.05%55.96%7.58%
nerel24,36945.71%49.78%
corrupt-redmadrobot5,53145.81%54.44%1.84%
dialogpii-multi10,34549.21%57.19%
nym-ru9,49749.67%55.71%
corrupt-hivetrace1,66750.69%64.73%4.19%
nym-multi8,16953.34%56.29%1.12%
scanpatch8,70854.16%58.68%1.41%
alrosait1,86255.42%73.04%1.66%
redmadrobot5,51656.74%59.95%1.11%
privy1,89956.82%58.82%6.31%
jayguard1,19558.74%71.46%1.68%
nym-en3,58461.38%63.62%4.42%
russian-pii-66k4,80562.60%67.83%
dialogpii-en3,08764.20%73.53%5.04%
tonicai2,41767.44%68.76%1.23%
kiji-multi7,56567.85%68.86%
hivetrace1,66768.99%71.93%0.51%
kiji-en7,62371.43%72.44%
redact-multi22,86472.38%76.73%
redact-ru9,23072.42%79.14%6.93%