// AI Glossary A–Z

Every AI term, defined.

A living dictionary of 109 AI concepts — from foundational terms to cutting-edge techniques. Search or browse alphabetically.

All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
CONCEPT
RAG (Retrieval-Augmented Generation)
RAG (Retrieval-Augmented Generation) lets an LLM answer questions using your own documents rather than just…
CONCEPT
Recommender System
A recommender system predicts what a specific user will want next — based on their…
CONCEPT
Regression
Regression predicts a continuous numerical value — house price, sales forecast, patient recovery time, energy…
CONCEPT
Reinforcement Learning (RL)
Reinforcement learning is machine learning by trial and reward — an agent acts in an…
CONCEPT
RLHF (Reinforcement Learning from Human Feedback)
RLHF (Reinforcement Learning from Human Feedback) is the training technique that transforms a raw pretrained…
CONCEPT
RNN (Recurrent Neural Network)
An RNN (Recurrent Neural Network) processes sequential data by maintaining a hidden state — a…
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