liteLLM is an open-source library designed to simplify LLM completion and embedding calls. It integrates APIs from multiple platforms including Azure, Anthropic, OpenAI, Cohere, and Replicate, allowing you to easily call them with one function. LiteLLM provides convenient interfaces and a consistent output format, making it easier to use LLM models. It can be used in various scenarios such as natural language processing, text generation, and chatbot systems.