--- license: mit datasets: - neural-bridge/rag-dataset-12000 language: - en --- # RAGPT: Fine-tuned GPT-2 for Context-Based Question Answering ## Model Description RAGPT is a fine-tuned version of GPT-2 small, specifically adapted for context-based question answering tasks. This model has been trained to generate relevant answers based on a given context and question, similar to a Retrieval-Augmented Generation (RAG) system. ### Key Features - Based on the GPT-2 small architecture (124M parameters) - Fine-tuned on the "neural-bridge/rag-dataset-12000" dataset from Hugging Face - Capable of generating answers based on provided context and questions - Suitable for various question-answering applications ## Training Data The model was fine-tuned using the "neural-bridge/rag-dataset-12000" dataset, which contains: - Context passages - Questions related to the context - Corresponding answers ## Fine-tuning Process The fine-tuning process involved: 1. Loading the pre-trained GPT-2 small model 2. Preprocessing the dataset to combine context, question, and answer into a single text 3. Training the model to predict the next token given the context and question ### Hyperparameters - Base model: GPT-2 small - Number of training epochs: 3 - Batch size: 4 - Learning rate: Default AdamW optimizer settings - Max sequence length: 512 tokens ## Usage To use the model: ```python from transformers import AutoTokenizer, AutoModelForCausalLM model_name = "BueormLLC/RAGPT" tokenizer = AutoTokenizer.from_pretrained(model_name) model = AutoModelForCausalLM.from_pretrained(model_name) # Prepare input context = "Your context here" question = "Your question here" input_text = f"Contexto: {context}\nPregunta: {question}\nRespuesta:" # Generate answer input_ids = tokenizer.encode(input_text, return_tensors="pt") output = model.generate(input_ids, max_length=150, num_return_sequences=1) answer = tokenizer.decode(output[0], skip_special_tokens=True) ``` ## Limitations - The model's knowledge is limited to its training data and the base GPT-2 model. - It may sometimes generate irrelevant or incorrect answers, especially for topics outside its training domain. - The model does not have access to external information or real-time data. ## Ethical Considerations Users should be aware that this model, like all language models, may reflect biases present in its training data. It should not be used as a sole source of information for critical decisions. ## Future Improvements - Fine-tuning on a larger and more diverse dataset - Experimenting with larger base models (e.g., GPT-2 medium or large) - Implementing techniques to improve factual accuracy and reduce hallucinations ## Support us - [Paypal](https://paypal.me/bueorm) - [Patreon](https://patreon.com/bueorm) ### We appreciate your support, without you we could not do what we do. ## Citation If you use this model in your research, please cite: ``` @misc{RAGPT, author = {Bueorm}, title = {RAGPT: Fine-tuned GPT-2 for Context-Based Question Answering}, year = {2024}, publisher = {GitHub}, journal = {None}, howpublished = {\url{https://huggingface.co/BueormLLC/RAGPT}} } ```