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ResearchFormerly WizWand

Multi-bit Watermarking

Benchmarks

DatasetSOTA methodMetricTrendResultsLast updated

LLM text 200 tokens

7.234Perplexity

14

Feb 26, 2026

LLaMA2-7B 300 tokens (test)

Gumbel-max (MirrorMark)

7.049Perplexity

14

Feb 26, 2026

LLM text generation 400 tokens, 36 bits

Gumbel-max (MirrorMark)

1AUC

12

Feb 26, 2026

LLM text generation 400 tokens, 54 bits

6.589Perplexity

7

Feb 26, 2026

Copy-paste attack (400 tokens, 36 bits) epsilon=0.5 edit fraction 0.5

1AUC

6

Feb 26, 2026

Copy-paste attack 400 tokens, 36 bits edit fraction 0.3 (epsilon=0.3)

100AUC

6

Feb 26, 2026

Copy-paste attack 400 tokens, 36 bits epsilon=0.1 edit fraction 0.1

1AUC

6

Feb 26, 2026

400-token texts epsilon=0.4 (eval)

1AUC

6

Feb 26, 2026

400-token texts epsilon=0.2 (eval)

100AUC

6

Feb 26, 2026

2.636Perplexity

4

Apr 16, 2026

7.404Perplexity

4

Apr 16, 2026