Tag: decoder-only LLMs

Causal Masking in Decoder-Only LLMs: How It Prevents Information Leakage and Powers Text Generation 4 October 2025

Causal Masking in Decoder-Only LLMs: How It Prevents Information Leakage and Powers Text Generation

Causal masking is the key mechanism that lets decoder-only LLMs like GPT-4 generate coherent text by preventing future tokens from influencing past ones. Learn how it works, why it matters, and how developers are improving it.

Susannah Greenwood 9 Comments