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Multi-bit Watermarking on LLaMA2-7B 300 tokens (test)

7.0486PerplexityGumbel-max (MirrorMark)
6.01472412.99338719.9720526.950713Jan 29, 2026

Evaluation results

MethodLinks
Gumbel-max (MirrorMark)Payload size (bits)=36, Number of tokens=3002026.017.04861198.35
Gumbel-max (MirrorMark)Payload size (bits)=54, Number of tokens=3002026.017.17511196.83
Non WatermarkPayload size (bits)=36, Number of tokens=3002026.017.2784———
Non WatermarkPayload size (bits)=54, Number of tokens=3002026.017.2784———
Tour-Wmean (MirrorMark)Payload size (bits)=54, Number of tokens=3002026.017.32951194.91
Tour-Bayes (MirrorMark)Payload size (bits)=54, Number of tokens=3002026.017.329510.99695.76
Tour-Wmean (MirrorMark)Payload size (bits)=36, Number of tokens=3002026.017.37060.9990.99297.32
Tour-Bayes (MirrorMark)Payload size (bits)=36, Number of tokens=3002026.017.37060.99920.99698.11
StealthInkPayload size (bits)=36, Number of tokens=3002026.017.82410.98920.85288.96
StealthInkPayload size (bits)=54, Number of tokens=3002026.017.8950.9890.8984.15
MPACPayload size (bits)=36, Number of tokens=3002026.019.19510.99490.9893.47
MPACPayload size (bits)=54, Number of tokens=3002026.019.34570.99620.98489.28
RSBHPayload size (bits)=54, Number of tokens=3002026.0132.81840.99890.99899.28
RSBHPayload size (bits)=36, Number of tokens=3002026.0132.89550.99980.998100