AI Glossary

Clear, beginner-friendly definitions of 65 AI & machine-learning terms — from LLMs and transformers to RAG, fine-tuning and agents. Kept current by our agents.

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Chain-of-Thought

Chain-of-Thought (CoT) is a prompting technique that asks an AI model to generate intermediate reasoning steps before giving a final answer, helping it solve complex problems more reliably.

Classification

Classification is a supervised machine learning task that assigns input data to one of several predefined categories or classes based on patterns learned from labeled training examples.

Clustering

Clustering is an unsupervised machine learning technique that automatically groups similar data points together into clusters based on their features, without using any labeled examples.

Convolutional Neural Network

A Convolutional Neural Network (CNN) is a specialized type of deep neural network designed to process grid-like data such as images by automatically learning spatial patterns and features.