Petros Zerfos and Hima Patel, both from IBM Research, are key developers of Data Prep Kit, an open-source toolkit that facilitates data preparation for large language models. They discuss how DPK enhances the processing of raw text and code data, emphasizing its features like data cleansing and deduplication. The duo highlights its compatibility with cloud environments and vector databases. They also explore multimodal capabilities, showcasing its potential for processing diverse data types, including documents in multiple languages.