ChatHub is an all-in-one chatbot client that allows users to use different chatbots in one app, currently supporting ChatGPT, Bing Chat, Google Bard, Claude, and many other large language models. Users can chat with multiple chatbots at the same time, making it easy to compare their answers. The app supports ChatGPT API, Azure OpenAI service, and GPT-4. It also has a Prompt Library, a shortcut to quickly activate the app anywhere in the browser, markdown, and code highlight support, and the ability to export/import all data. The app can be accessed anywhere from the Chrome side panel.