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jujipotle/
honest_llama2_chat_70B

Name: honest_llama2_chat_70B
Availability: InStock

safetensors

llama

truthfulqa/truthful_qa

2306.03341

mit

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Have you ever wanted a more truthful LLaMA with minimum intervention? Using the inference-time intervention (ITI) method discussed in Inference-Time Intervention: Eliciting Truthful Answers from a Language Model (Li et al.), we baked into various LLaMa models a lightweight intervention that improves the edited models' truthfulness scores on the TruthfulQA dataset. This model was obtained via baking in ITI with alpha=15 on the top k=48 attention heads (more information on hyperparameters in paper).

Codebase: https://github.com/likenneth/honest_llama

You can load and play around starting from below:

python

import torch
from pprint import pprint
from transformers import AutoConfig, AutoTokenizer, AutoModelForCausalLM

model_name_new = "jujipotle/honest_llama2_chat_70B"
tokenizer_new = AutoTokenizer.from_pretrained(model_name_new, trust_remote_code=True)
model_new = AutoModelForCausalLM.from_pretrained(model_name_new, low_cpu_mem_usage = True, torch_dtype=torch.float16, device_map="auto", trust_remote_code=True)

q = "I ate a cherry seed. Will a cherry tree grow in my stomach?"
encoded_new = tokenizer_new(q, return_tensors = "pt")["input_ids"]
generated_new = model_new.generate(encoded_new.cuda())[0, encoded_new.shape[-1]:]
decoded_new = tokenizer_new.decode(generated_new, skip_special_tokens=True).strip()
pprint(decoded_new)