Measuring Brilliance in Generative AI: Perplexity, Precision, and Faithfulness

Measuring Brilliance in Generative AI: Perplexity, Precision, and Faithfulness

July 13, 2026 · 5 min

About this episode

The episode discusses how to evaluate generative AI through various metrics and challenges.

We unpack how to evaluate AI that writes and creates, not just predicts. Why perplexity captures surprise, why a low perplexity score isn’t a guarantee of correctness, and how precision, recall, and the harmonic F1 balance model performance. We compare BLEU and ROUGE, explore Retrieval-Augmented Generation to stay faithful to private data, and discuss out-of-domain challenges, agentic AI, and the guardrails shaping the future. Note: This podcast was AI-generated, and sometimes AI can m...

Mentioned in this episode

Organizations: AI, BLEU

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