# Memorization vs Generalization: Paraphrase Tests and LLM's True Understanding

> Source: https://sukruyusufkaya.com/en/learn/llm-muhendisligi/memorization-generalization-paraphrase
> Updated: 2026-05-13T13:00:25.176Z
> Category: LLM Mühendisliği
> Module: Module 4: The Mental Model of LLMs
**TLDR:** Does LLM training memorize the corpus or generalize? Exact match tests, paraphrase resistance, contamination detection, membership inference. Memorization detection in eval, training data extraction risks, privacy implications.