AI Terms - Frequently Asked AI Definitions

Question 1

What is a token in AI?

Accepted Answer

The basic unit of text that language models process. Can be a word, part of a word, or punctuation. Most models use subword tokenization for efficiency.

Question 2

What is RAG (Retrieval-Augmented Generation)?

Accepted Answer

Retrieval-Augmented Generation combines information retrieval with text generation to ground AI responses in specific, retrieved documents or data.

Question 3

What is prompt injection?

Accepted Answer

Attack technique where malicious instructions are embedded in user input to override an AI system's intended behavior or constraints.