Omar Khattab

Omar Khattab is an Assistant Professor, TIBCO Founders’ Career Development Professor in the Department of Electrical Engineering and Computer Science (EECS) at the Massachusetts Institute of Technology (MIT). His research interests include Artificial Intelligence + Machine Learning, Natural Language and Speech Processing, Programming Languages and Software Engineering, Systems and Networking. His profile page provides additional details about his work and contact information.

Omar Khattab is a researcher in Natural Language Processing, Information Retrieval, AI Systems, and AI Software. His work focuses on advancing language models through efficient and effective retrieval methods, such as ColBERT and ColBERTv2, which leverage contextualized late interaction over BERT. He also explores AI systems that integrate retrieval and language models for knowledge-intensive NLP tasks, including ARES and Demonstrate-search-predict. His research emphasizes the development of automated evaluation frameworks, self-improving pipelines, and multi-stage language model programs. Khattab's contributions span from foundational model evaluation to scalable reasoning systems, with a focus on improving open-ended generation and openQA through relevance-guided supervision.