ResearchBenchmarksLossless Data Compression on LLM Weights BF16Follow26.71Average Space SavingsIBP-2.07725.396412.8720.3436May 29, 2026Evaluation ResultsMethodMethodLinksAverage Space SavingsIBP2026.0526.71zStd2026.0521.37GDeflate2026.0519.2ANS2026.0512.4ndzip2026.054.31Cascaded2026.05-0.09LZ42026.05-0.3Snappy2026.05-0.73Bitcomp2026.05-0.97