ResearchBenchmarksWatermarking on MultiNewsWatermarking on MultiNewsFollow25.86Generation Metric ScoreSimplex25.662425.713725.76525.8163May 9, 2026Evaluation resultsMethodMethodLinksGeneration Metric ScorePercentage Drop in Generation Metric-log10 pSimplex2026.0525.861.9342.701RGdelta=1delta=12026.0525.851.940.963Inv. Tr.2026.0525.742.3891.586RGdelta=3delta=32026.0525.742.3893.781Gumbel2026.0525.692.5793.172HeavyWater2026.0525.672.6553.491