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Multi-bit Watermarking on C4

7.404PerplexityQuantileMark
7.286128.081818.87759.67319Apr 15, 2026

Evaluation results

MethodLinks
QuantileMarkBits embedded=24, Tokens=300, Time (s)=0.3432026.047.40498.930.999598.4
No watermarkBits embedded=24, Tokens=3002026.047.684———
StealthInkBits embedded=24, Tokens=300, Time (s)=0.6452026.048.23590.030.986979.2
MPACBits embedded=24, Tokens=300, Time (s)=0.1032026.0410.35197.020.988798