What is a Large Language Model (LLM)?

The Foundation of Conversational AI and Beyond

How LLMs Learn and Generate Human-Like Text

The Ever-Expanding Capabilities of LLMs in 2025

A **Large Language Model (LLM)** is a type of **generative AI** that has been trained on an immense quantity of text and code data. Its primary function is to **understand, generate, and process human-like language** with remarkable fluency and coherence. LLMs leverage complex neural network architectures, primarily **transformers**, to learn patterns, grammar, semantics, and even nuanced contexts within language. This allows them to perform diverse tasks such as answering questions, writing essays, summarizing documents, translating languages, and even generating code. They are foundational to many AI applications and are rapidly evolving in 2025, continually expanding their capabilities. 📚💬