Arcwise AI is a service that helps users work with data in Google Sheets with AI. Users can use a chrome extension to chat with ChatGPT about their spreadsheet, clean data with text commands, fill in missing formulas, and turn browser tabs into tables. Users can also use a web interface to access the same features. Arcwise AI uses ChatGPT and other AI models to provide fast and accurate answers and suggestions. Arcwise AI is free to use during the early access period and supports various data formats and sources.