from transformers import AutoModelForCausalLM, AutoTokenizer
from auto_gptq import AutoGPTQForCausalLM, BaseQuantizeConfig

model_name = "smpanaro/pythia-70m-AutoGPTQ-4bit-128g"
model = AutoGPTQForCausalLM.from_quantized(model_name)

Model	4-Bit Perplexity	16-Bit Perplexity	Delta
smpanaro/pythia-70m-AutoGPTQ-4bit-128g	49.125	-	-
smpanaro/pythia-160m-AutoGPTQ-4bit-128g	33.4375	23.3024	10.1351
smpanaro/pythia-410m-AutoGPTQ-4bit-128g	21.4688	13.9838	7.485
smpanaro/pythia-1b-AutoGPTQ-4bit-128g	12.0391	11.6178	0.4213
smpanaro/pythia-1.4b-AutoGPTQ-4bit-128g	10.9609	10.4391	0.5218
smpanaro/pythia-2.8b-AutoGPTQ-4bit-128g	9.8281	9.0028	0.8253

_{Wikitext perplexity measured as in the huggingface docs, lower is better}