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Language Modeling on BigPatent

21.91PerplexityGPT-2 Large + DP-SGD (teacher)
21.114426.484731.85537.2253Apr 6, 2026

Evaluation results

MethodLinks
GPT-2 Large + DP-SGD (teacher)ε=1.02026.0421.91
DP-OPDε=2.02026.0430.63
DistilGPT-2 + DISTILDP (DP synthetic text)ε=2.02026.0432.43
DistilGPT-2 + DPKD (off-policy DP KD)ε=2.02026.0441.2
DistilGPT-2 + DP-SGD (student-only)ε=2.02026.0441.8