Government · Blog post · UK AI Security InstituteHiBayES: Improving LLM evaluation with hierarchical Bayesian modelling12 May 2025Read at aisi.gov.uk ↗Read at sourceNo licence statement foundSearchOutline · 30 paragraphsThe Challenges of LLM Evaluation¶3The conventional analysis approach¶7HiBayES: A Statistical Modelling Framework¶9Practical Applications and Results¶16Practical Benefits¶23Looking Forward¶26