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README.md
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Quantization made by Richard Erkhov.
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[Github](https://github.com/RichardErkhov)
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[Discord](https://discord.gg/pvy7H8DZMG)
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[Request more models](https://github.com/RichardErkhov/quant_request)
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phi3-hallucination-judge-merge - bnb 8bits
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- Model creator: https://huggingface.co/grounded-ai/
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- Original model: https://huggingface.co/grounded-ai/phi3-hallucination-judge-merge/
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Original model description:
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---
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library_name: transformers
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license: mit
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tags: []
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---
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## Merged Model Performance
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This repository contains our hallucination evaluation PEFT adapter model.
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### Hallucination Detection Metrics
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Our merged model achieves the following performance on a binary classification task for detecting hallucinations in language model outputs:
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```
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precision recall f1-score support
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0 0.85 0.71 0.77 100
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1 0.75 0.87 0.81 100
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accuracy 0.79 200
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macro avg 0.80 0.79 0.79 200
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weighted avg 0.80 0.79 0.79 200
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```
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### Model Usage
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For best results, we recommend starting with the following prompting strategy (and encourage tweaks as you see fit):
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```python
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def format_input(reference, query, response):
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prompt = f"""Your job is to evaluate whether a machine learning model has hallucinated or not.
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A hallucination occurs when the response is coherent but factually incorrect or nonsensical
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outputs that are not grounded in the provided context.
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You are given the following information:
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####INFO####
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[Knowledge]: {reference}
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[User Input]: {query}
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[Model Response]: {response}
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####END INFO####
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Based on the information provided is the model output a hallucination? Respond with only "yes" or "no"
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"""
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return input
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text = format_input(query='Based on the follwoing
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<context>Walrus are the largest mammal</context>
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answer the question
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<query> What is the best PC?</query>',
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response='The best PC is the mac')
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messages = [
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{"role": "user", "content": text}
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]
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pipe = pipeline(
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"text-generation",
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model=base_model,
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model_kwargs={"attn_implementation": attn_implementation, "torch_dtype": torch.float16},
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tokenizer=tokenizer,
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)
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generation_args = {
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"max_new_tokens": 2,
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"return_full_text": False,
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"temperature": 0.01,
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"do_sample": True,
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}
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output = pipe(messages, **generation_args)
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print(f'Hallucination: {output[0]['generated_text'].strip().lower()}')
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# Hallucination: yes
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```
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### Comparison with Other Models
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We compared our merged model's performance on the hallucination detection benchmark against several other state-of-the-art language models:
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| Model | Precision | Recall | F1 |
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|---------------------- |----------:|-------:|-------:|
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| Our Merged Model | 0.75 | 0.87 | 0.81 |
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| GPT-4 | 0.93 | 0.72 | 0.82 |
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| GPT-4 Turbo | 0.97 | 0.70 | 0.81 |
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| Gemini Pro | 0.89 | 0.53 | 0.67 |
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| GPT-3.5 | 0.89 | 0.65 | 0.75 |
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| GPT-3.5-turbo-instruct| 0.89 | 0.80 | 0.84 |
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| Palm 2 (Text Bison) | 1.00 | 0.44 | 0.61 |
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| Claude V2 | 0.80 | 0.95 | 0.87 |
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As shown in the table, our merged model achieves one of the highest F1 scores of 0.81, outperforming several other state-of-the-art language models on this hallucination detection task.
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We will continue to improve and fine-tune our merged model to achieve even better performance across various benchmarks and tasks.
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Citations:
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Scores from arize/phoenix
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### Training Data
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@misc{HaluEval,
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author = {Junyi Li and Xiaoxue Cheng and Wayne Xin Zhao and Jian-Yun Nie and Ji-Rong Wen },
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title = {HaluEval: A Large-Scale Hallucination Evaluation Benchmark for Large Language Models},
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year = {2023},
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journal={arXiv preprint arXiv:2305.11747},
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url={https://arxiv.org/abs/2305.11747}
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}
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### Framework versions
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- PEFT 0.11.1
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- Transformers 4.41.2
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- Pytorch 2.3.0+cu121
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- Datasets 2.19.2
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- Tokenizers 0.19.1
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### Training hyperparameters
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The following hyperparameters were used during training:
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- learning_rate: 0.0001
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- train_batch_size: 2
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- eval_batch_size: 8
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- seed: 42
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- gradient_accumulation_steps: 4
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- total_train_batch_size: 8
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- optimizer: Adam with betas=(0.9,0.999) and epsilon=1e-08
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- lr_scheduler_type: linear
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- lr_scheduler_warmup_steps: 10
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- training_steps: 150
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### Framework versions
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- PEFT 0.11.1
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- Transformers 4.41.2
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- Pytorch 2.3.0+cu121
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- Datasets 2.19.2
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- Tokenizers 0.19.1
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