Multi-bit LLM Watermarking on C4 LLaMA3-8B-BASE Max 256 Tokens
100AUCBiMark
Evaluation results
| Method | Links | ||||
|---|---|---|---|---|---|
| BiMarkBit Length=16 bits2026.02 | 100 | 86 | 11.25 | 0.044 | |
| WorldCupBit Length=16 bits, k=12026.02 | 100 | 97 | 6.563 | 0.012 | |
| WorldCupBit Length=16 bits, k=22026.02 | 100 | 99 | 10.94 | 0.013 | |
| BiMarkBit Length=24 bits2026.02 | 100 | 70 | 11.34 | 0.036 | |
| WorldCupBit Length=24 bits, k=22026.02 | 100 | 88.5 | 10.75 | 0.013 | |
| BiMarkBit Length=32 bits2026.02 | 100 | 42.5 | 12.38 | 0.04 | |
| WorldCupBit Length=32 bits, k=12026.02 | 100 | 56.5 | 6.547 | 0.014 | |
| WorldCupBit Length=32 bits, k=22026.02 | 100 | 80 | 10.56 | 0.013 | |
| WorldCupBit Length=48 bits, k=12026.02 | 100 | 14 | 6.688 | 0.014 | |
| WorldCupBit Length=48 bits, k=22026.02 | 100 | 31 | 11.44 | 0.014 | |
| BiMarkBit Length=48 bits2026.02 | 99.9 | 6 | 11.63 | 0.037 | |
| MPACBit Length=24 bits2026.02 | 99.7 | 44.5 | 14 | 0.074 | |
| MPACBit Length=16 bits2026.02 | 99.6 | 78.5 | 13.56 | 0.087 | |
| WorldCupBit Length=24 bits, k=12026.02 | 99.6 | 82 | 6.625 | 0.016 | |
| MPACBit Length=32 bits2026.02 | 99.6 | 25.5 | 14 | 0.09 | |
| SegMarkBit Length=16 bits2026.02 | 99.5 | 99.5 | 12.94 | 0.839 | |
| SegMarkBit Length=24 bits2026.02 | 99.2 | 97.5 | 13.38 | 0.804 | |
| MPACBit Length=48 bits2026.02 | 99 | 1 | 13.19 | 0.078 | |
| SegMarkBit Length=32 bits2026.02 | 98.9 | 84 | 12.94 | 1.053 | |
| SegMarkBit Length=48 bits2026.02 | 96.8 | 34 | 13.56 | 1.381 |