Making GPT More Effective with Realistic Corporate Spreadsheets

A financial planning team at a Fortune 50 company faced challenges using AI to efficiently and accurately answer specific questions from extensive Excel spreadsheets due to the limitations of AI models in handling large and messy data. Models like GPT 5.* often struggle with the sheer size and complexity of real-world spreadsheets, resulting in data truncation or inefficient resource use. To address this, Credal developed ReadSpreadsheet, an action specifically designed to enhance AI's capability to process large Excel files by intelligently identifying and compressing relevant data. Testing across multiple GPT generations showed significant improvements in accuracy and performance when ReadSpreadsheet was employed, particularly with older models. This tool effectively manages spreadsheet-specific challenges, ensuring that AI agents perform reliably and efficiently in real-world scenarios, thus facilitating better decision-making in data-heavy environments.