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LLM

Definition

Large Language Model—AI trained on massive text data to understand and generate language.

In Plain English

An LLM is like someone who has read the entire library and can write in any style, but has not actually lived any of it.

Real-World Example

ChatGPT and Claude are LLMs that can write, summarize, analyze, and converse in natural language.

Why It Matters for Your Work

LLMs are behind most modern AI assistants and tools. Understanding them helps you use them effectively.

Common Mistake

Assuming LLMs have current knowledge. Most LLMs have a training cutoff date and do not know recent events.

Related Terms

Artificial Intelligence—software that can make predictions, generate content, or assist with decisions.

Model

The trained AI system that produces outputs based on inputs.

Prompt

The instruction or question you give to an AI to get a response.

Token

A chunk of text that AI reads or writes, roughly 3-4 characters or about 0.75 words.