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Sentiment Steering on OpenWebText Neutral to Positive (test)

12.48Perplexity (PPL)GPT2-Large
6.636846.078485.52124.9616May 7, 2021Dec 28, 2021Aug 21, 2022Apr 13, 2023Dec 5, 2023Jul 27, 2024Mar 20, 2025

Evaluation results

MethodLinks
GPT2-LargeEvaluation Setting=Baseline, Backbone Model=GPT2-Large2025.0312.4853.55528285——
LLMBRACESEvaluation Setting=Zero-shot, Rank (r)=162025.0330.0369.82467785——
DAPT2021.0530.52—56838477.2414.17
DAPTbase_model=GPT-2 Large 774M2023.0630.52——838477.2414.17
PromptT5Evaluation Setting=Zero-shot2025.0337.368.12587872——
LMSteerEvaluation Setting=Supervised2025.0341.290.7467883——
DEXPERTSModel size=small2021.0542.08—56838494.5731.64
DEXPERTSModel size=medium2021.0543.19—56838394.3133.2
CTRL2021.0543.79—51838661.8118.88
CTRLbase_model=GPT-2 Large 774M2023.0643.79——838661.8218.88
DExpertsEvaluation Setting=Supervised2025.0345.8394.46568383——
DEXPERTSModel size=large2021.0545.83—56838394.4636.42
DExpertsbase_model=GPT-2 Large 774M2023.0645.83——838394.4636.42
DEXPERTSMode=anti-only2021.0546—65807860.724.43
LLMBRACESEvaluation Setting=Supervised, Rank (r)=162025.0352.6391.2387381——
CLICKbase_model=GPT-2 Large 774M2023.0657.43——808496.785.78
GeDiEvaluation Setting=Supervised2025.0358.4186.01578079——
GeDi2021.0558.41—57807986.0126.8
GeDibase_model=GPT-2 Large 774M2023.0658.41——807986.0126.8
Positive expert2021.0564.32—59868579.8343.8
Target FTbase_model=GPT-2 Large 774M2023.0664.32——868579.8343.8
CLICKbase_model=GPT-2 Large 774M, variant=Lower2023.0673.98——838596.3383.82
CLICKbase_model=GPT-2 Large 774M, variant=Random2023.0682.24——858696.5184
CLICKbase_model=GPT-2 Large 774M, variant=Lowest2023.06109.04——848696.0280.64
PPLMStep size=10%2021.05142.11—62868552.688.72
PPLMbase_model=GPT-2 Large 774M2023.06142.11——868552.688.72
LoRAEvaluation Setting=Supervised2025.03158.5626.88578283——