How to use from the
Use from the
Transformers library
# Use a pipeline as a high-level helper
from transformers import pipeline

pipe = pipeline("text-generation", model="OptimAI-Lab/TOFU-forget10_RULE-NPO")
messages = [
    {"role": "user", "content": "Who are you?"},
]
pipe(messages)
# Load model directly
from transformers import AutoTokenizer, AutoModelForCausalLM

tokenizer = AutoTokenizer.from_pretrained("OptimAI-Lab/TOFU-forget10_RULE-NPO")
model = AutoModelForCausalLM.from_pretrained("OptimAI-Lab/TOFU-forget10_RULE-NPO")
messages = [
    {"role": "user", "content": "Who are you?"},
]
inputs = tokenizer.apply_chat_template(
	messages,
	add_generation_prompt=True,
	tokenize=True,
	return_dict=True,
	return_tensors="pt",
).to(model.device)

outputs = model.generate(**inputs, max_new_tokens=40)
print(tokenizer.decode(outputs[0][inputs["input_ids"].shape[-1]:]))
Quick Links

NPO-Fix: An enhancement of NPO method with self-generated dataset for robust unlearning under probabilistic decoding.

This repository contains the NPO-Fix model, as introduced in the paper Leak@k: Unlearning Does Not Make LLMs Forget Under Probabilistic Decoding.

Model Details

Model Sources

Citation

BibTeX:

@article{reisizadeh2025leak,
  title={Leak@$k$: Unlearning Does Not Make LLMs Forget Under Probabilistic Decoding},
  author={Reisizadeh, Hadi and Ruan, Jiajun and Chen, Yiwei and Pal, Soumyadeep and Liu, Sijia and Hong, Mingyi},
  journal={arXiv preprint arXiv:2511.04934},
  year={2025}
}

Model Card Authors

[Jiajun Ruan: jruan@umn.edu]

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