Santosh Vempala
Frederick Storey II Chair of Computing and Distinguished Professor in the School of Computer Science at Georgia Tech specializing in algorithms, complexity, and foundations of machine learning; featured to explain research on why language models hallucinate and his joint work with OpenAI researchers.
Best podcasts with Santosh Vempala
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Oct 14, 2025 • 31min
Georgia Tech's Santosh Vempala Explains Why Language Models Hallucinate, His Research With OpenAI
Santosh Vempala, a distinguished professor at Georgia Tech, dives deep into the complexities of language models and their notorious ability to hallucinate. He explains how maximum likelihood pre-training can lead to these issues and the crucial trade-offs between memorization and generalization. Through fascinating examples, he discusses how calibration impacts accuracy and presents a formal theorem linking hallucinations to misclassification. Vempala also highlights practical approaches to detect invalid model outputs and shares insights into improving AI evaluation methods.
Nov 26, 2024 • 31min
S3E6: Dr. Santosh Vempala on Efficient Algorithms, Computing for Good, & More
In this conversation, Dr. Santosh Vempala, a distinguished professor at Georgia Tech, delves into the intricacies of efficient algorithms and their real-world applications. He discusses his groundbreaking work that led to a prestigious Fulkerson Prize and the profound impact of computing for good, showcasing projects with the CDC and Red Cross. Dr. Vempala also shares valuable advice for aspiring PhD candidates and offers insights into navigating the world of theoretical computer science, all while balancing personal hobbies and family life.
