The dashai AI tool is a Chrome extension that provides instant chatGPT access to every webpage, allowing users to use chatGPT on any website with a ⌘ + k shortcut. It features a huge prompt library and the ability to execute commands, highlight text, and add/edit commands such as summarize and translate. The tool also includes an AI text expander for generating content on favorite websites, and a one-time payment of $8-$19 allows for unlimited use.