Here is a neutral and objective summary of the provided text in one paragraph: This guide provides a step-by-step process for developing and deploying a large language model (LLM) using Anyscale and Ray. The workflow includes data preprocessing, fine-tuning, evaluation, and serving the model. The authors use Ray to distribute the workload across multiple machines, allowing for efficient processing of large datasets. They also provide an example of how to serve the model in production using Anyscale Services, which can be scaled up or down as needed. The guide covers various aspects of the process, including data preprocessing, fine-tuning with different optimization techniques, and serving the model with LoRA adapters. It also discusses the importance of consistency between development and production environments and provides tips for optimizing performance and scalability.