ChatHub

ChatHub is a Chrome extension that provides users with an improved UI to interact with multiple chatbots, including ChatGPT, Bing Chat, and Google Bard. It supports the ChatGPT API mode which is faster and cheaper compared to ChatGPT Plus. Additionally, it has GPT-4 support and token usage stats when using the API mode. Users can access a prompt library, use shortcuts to activate the app anywhere in the browser, and export/import their data. The tool also has markdown and code highlight support and its source code is available on Github.

In terms of privacy policy, ChatHub does not collect or use user data or sell it to third parties nor does it transfer user data for purposes unrelated to core functionality. The tool abides by the limited use policy making sure that user data is used only for intended purposes. Based on reviews from users, the tool has been positively rated with one describing it as "the best of the best" for ChatGPT applications.

The all-in-one chatbot client of ChatHub enables users to easily compare answers from multiple chatbots while enjoying enhanced UI features such as prompt library access, shortcuts in browser activation, markdown support, code highlights etc., With its secure privacy policy ensuring limited use of user data and positive reviews from users making it a top choice for ChatGPT application related needs - all these features make this tool unique among other similar ones available today.