Update README.md

Author: samestrin

README.md

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 ## Introduction
 
-The LLM Interface project is a versatile and comprehensive wrapper designed to interact with multiple Large Language Model (LLM) APIs. It simplifies integrating various LLM providers, including **OpenAI, Anthropic, Cohere, Google Gemini, Goose AI, Groq, Mistral AI, Reka AI, and LLaMA.cpp**, into your applications. This project aims to provide a simplified and unified interface for sending messages and receiving responses from different LLM services, making it easier for developers to work with multiple LLMs without worrying about the specific intricacies of each API.
+The LLM Interface project is a versatile and comprehensive wrapper designed to interact with multiple Large Language Model (LLM) APIs. It simplifies integrating various LLM providers, including **OpenAI, AI21 Studio, Anthropic, Cohere, Google Gemini, Goose AI, Groq, Hugging Face, Mistral AI, Perplexity, Reka AI, and LLaMA.cpp**, into your applications. This project aims to provide a simplified and unified interface for sending messages and receiving responses from different LLM services, making it easier for developers to work with multiple LLMs without worrying about the specific intricacies of each API.
 
 ## Updates