Embedding Semantic Entropy: NLI-Free Semantic Uncertainty Estimation with Geometry-Aware Clustering

Akshiya Raveendran, Praveenasarma Baskarakurukkal, Pragatheeswaran Vipulanandan +2

Large Language Models (LLMs) often generate fluent yet incorrect responses, making un- certainty estimation important for reliable deployment. Semantic Entropy (SE) estimates uncer…