ChatKit is designed with focus on enhanced interaction. It largely owes its intelligence to ChatGPT. One of its remarkable features involves the utilization of URLs as chat context, endowing your conversation with a enriched depth. By incorporating links such as articles, YouTube videos, PDFs and other online resources, users can add a layer of relevance to their dialogue.

Search functionality is another pivotal feature of this app. ChatKit offers a full-text search feature, allowing users to search their chat history using keywords or specific phrases. Consequently, this makes the retrieval of significant information from past conversations a breeze. The app is laden with more features for premium users.

Premium plan encompasses features like full-text search, text-to-speech, bookmarks and more. Also, for premium users, the app provides option to top up credits to the ChatKit account, offering an alternate to using personal OpenAI API Key. These credits are used to interact with OpenAI's API. Data privacy is a cornerstone of ChatKit's design.

It stores the chat data in the local browser and user related data like license key, order history are saved on the database on PlanetScale.

ChatKit's design is rooted in its remarkable features. It uses the ChatGPT API to enable an intelligent chat experience. The system allows the use of personal OpenAI API Key or an optional usage of credits for premium users. OpenAI API requests can be sent globally, regardless of the user's location.

For those desiring customization, own OpenAI API key and endpoint can be provided in the app settings. Developing a little deeper, the premium plan offers exclusive features. The likes of full-text search, text-to-speech, bookmarks aim to enhance user experience. Additionally, the plan also allows to buy ChatKit Credits. These credits offer an alternative to using a personal OpenAI API Key.

- Incorporation of URLS as chat context - Full-text search feature - User chat data stored locally in the browser - Option to use personal OpenAI API Key - Premium features including full-text search, text-to-speech, bookmarks - Option to buy ChatKit credits