LLM Evaluation Methods: Integrating Binary Evals with Score Evals
Last Updated on October 15, 2025 by Editorial Team
Author(s): Hira Ahmad
Originally published on Towards AI.
LLM Evaluation Methods: Integrating Binary Evals with Score Evals
Evaluating large language models (LLMs) is a bit like checking a student’s exam paper, you can grade by impression or you can check each answer line by line. Most current evaluations incline to the first type: it feels right, it sounds good, but we’re not always sure how right it really is.

As the article unfolds, it discusses the transition in evaluating LLMs from subjective impressions to structured, explainable methods, particularly focusing on binary evaluations that ascertain each model step in a clear, fair manner. It highlights the importance of understanding a model’s performance through various layered methods, emphasizing truthfulness testing, the capability to teach, and exploring internal reasoning, ultimately arguing for a comprehensive evaluation approach that combines binary checks with deeper insights for a thorough understanding of AI models.
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