ChatKit is a sophisticated application designed to refine your ChatGPT experience. It supports various AI models, including OpenAI, Gemini, and Azure models. With features such as prompt templates, chat bookmarks, text-to-speech, and voice input, ChatKit aims to create a seamless and efficient chat experience. Users have the flexibility to use their API keys or ChatKit credits, incorporating advanced functionalities like URL context, full-text search in chat history, and real-time chat capabilities.