quick-start-guide-to-llms

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Basic Information

This repository is the companion codebase for the book Quick Start Guide to Large Language Models - Second Edition. It provides the code snippets, Jupyter notebooks, datasets and images used to demonstrate practical workflows and advanced techniques for working with Transformer models and large language models. The notebooks are organized by book chapter and cover topics such as semantic search, prompt engineering, retrieval-augmented generation, agent construction, fine-tuning and reward modeling, embedding customization, recommendation systems, visual question answering, reinforcement learning for models, distillation and quantization for deployment, and evaluation and probing methods. The repo is intended for hands-on learning, reproducibility of examples in the book, and as a collection of applied recipes and experiments for practitioners and researchers working with LLMs.

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Features
A structured collection of Jupyter notebooks organized by chapter that demonstrate end-to-end LLM workflows and experiments. Included datasets and an images folder support the notebooks and examples. Notable notebooks implement semantic search, basic and advanced prompt engineering, RAG pipelines, an agent construction example, multiple fine-tuning case studies including BERT, GPT-2 and Llama variants, reward model and RLHF examples, VQA construction and usage, distillation and quantization experiments, LLM calibration and generation evaluation, and probing analyses. The README documents repository layout and basic usage steps and the project includes a requirements file for dependency installation. Contributions are welcomed and the repo is explicitly educational and book-focused.
Use Cases
The repository enables readers to replicate the book"s demonstrations and to experiment with LLM techniques in a hands-on manner. By providing runnable notebooks and example datasets it lowers the barrier to trying semantic search, building RAG systems, practicing prompt engineering, fine-tuning models, training reward models and applying RLHF, and exploring model compression and deployment strategies. Practitioners can use the materials to learn best practices for evaluation, calibration and probing, and to adapt the included recipes to their own data and models. The repo also serves as a reference collection of applied examples for researchers and engineers who want reproducible demonstrations of common LLM tasks.

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