Meta Llama 3, an advanced open-source language model, is available on Predibase for fine-tuning and inference, emphasizing its application in automating customer support tasks. The tutorial highlights the process of fine-tuning Meta Llama 3 models, such as LLaMA-3 Instruct and Meta-LLaMA-3-8B, to enhance domain-specific tasks like generating structured JSON outputs for customer complaints. The guide details the setup, including dataset preparation, environment configuration, and the use of Predibase's tools for efficient fine-tuning and serving. Fine-tuning improves model performance significantly over the base model, allowing for accurate classification and generation of high-quality responses. The tutorial also underscores the benefits of using Predibase's platform, such as reduced training latency and cost-effectiveness, while offering a step-by-step approach to deploying customized LLM solutions.