// 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
Parameters
Parameters are the numerical values a neural network learns during training — the weights and…
CONCEPT
Perceptron
A perceptron is the simplest neural network — a single artificial neuron that takes weighted…
CONCEPT
Predictive Analytics
Predictive analytics uses historical data and machine learning to forecast future outcomes — predicting customer…
CONCEPT
Pretraining
Pretraining is the first massive phase of AI model training — training on an enormous…
CONCEPT
Prompt Engineering
Prompt engineering is the skill of designing inputs to LLMs to get better, more reliable…
CONCEPT
Prompt Injection
Prompt injection is a security attack where malicious instructions hidden in user input or external…
CONCEPT
PyTorch
PyTorch is Meta’s open-source deep learning framework — the toolkit most AI researchers and engineers…
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