Microsoft and Meta recently launched Llama 2, the latest version of their renowned open-source LLM, which comes with various improvements to enhance its performance and safety. It is available for both research and commercial use, and is compatible with Windows platforms such as Subsystem for Linux (WSL), Windows terminal, Microsoft Visual Studio, and VS Code. Additionally, the model has undergone meticulous optimization for dialogue purposes, resulting in fine-tuned Llama 2-Chat models that set new benchmarks in the field of language processing and understanding. Perplexity.ai is one of the models already based on LLaMa-2, which can be used to access the latest Meta offering.