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Watermark Removal research benchmarks – Page 2 · SOTA2 Research

Watermark Removal

Benchmarks

Dataset NameSOTA MethodSort

Dataset NameSOTA methodMetricTrendResultsLast Updated

LibriSpeech WavMark (dev)

97.1STOI

4

May 20, 2026

LibriSpeech SilentCipher (dev)

94.4STOI

4

May 20, 2026

WaterBench 1,605 outputs (full set)

83.3Paraphrase Score

4

May 8, 2026

1T@1%F

4

Mar 4, 2026

Stable Signature

100T@1%F Score

4

Mar 4, 2026

Watermark Removal dataset

0.127LPIPS

4

Feb 26, 2026

PF 1500 tokens (test)

77.8ESR

3

May 15, 2026

KGW_self 1500 tokens (test)

78ESR

3

May 15, 2026

Unigram 1500 tokens (test)

98.5ESR

3

May 15, 2026

PF 500 tokens (test)

81.8ESR

3

May 15, 2026

Unigram 500 tokens (test)

78.5ESR

3

May 15, 2026

RLWatermark GAUSSMark 500-token texts

87.5ESR

3

May 15, 2026

KGW gamma=0.75, delta=2.0 500-token texts

90.5ESR

3

May 15, 2026

KGW gamma=0.5 delta=8.0 500-token texts

78.5ESR

3

May 15, 2026

k-SemStamp 500-token texts

75.5ESR

3

May 15, 2026

SemStamp 500-token texts

63.3ESR

3

May 15, 2026

Watermark Removal Benchmark

36.958PSNR

2

Feb 26, 2026

Multiple datasets

—

—Primary metric

0

Feb 26, 2026

Page 2 of 2

Popular datasets

LibriSpeech FMA MS-COCO PF KGW

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