What Is a Large Language Model (LLM)? Explained Simply

A Large Language Model (LLM) is an advanced AI system trained on massive amounts of text to understand and generate human-like language. Popular examples include GPT-3 and GPT-4. These models power everything from chatbots to writing tools—including Winslow’s HR assistant. This glossary breaks down how LLMs work, their role in AI development, and their real-world use in HR.