Numerous.ai is an agile AI plugin for Google Sheets and Excel, incorporating the power of ChatGPT into spreadsheet tasks. It extracts text, categorizes data, generates formulas and employs ChatGPT within the spreadsheet. The AI can learn repetitive tasks through the =INFER() function and assist with writing tasks using the =WRITE() feature. Its unique blend of AI and spreadsheet functionality sets it apart from competitors. It's a functional, time-saving tool for modern productivity.