AI Hub

Glossary

A plain-English glossary of the methods and ideas behind modern AI. Search, sort, or jump to a letter.

8 terms

Definition
AblationAn experiment that removes or changes one component of a model or training setup to measure how much it actually contributes.May 22, 2026
Adam OptimizerA widely-used adaptive optimizer for training neural networks.May 21, 2026
Agentic Reinforcement LearningTraining LLMs with RL where the model takes multi-step actions in an environment (tools, code, web search) and is rewarded on task outcomes.May 21, 2026
AI AgentsSystems where a model plans, uses tools, and acts over multiple steps.May 21, 2026
AI AlignmentMaking AI systems pursue what people actually intend.May 21, 2026
AttentionA mechanism that lets a model weigh which other tokens matter for each token.May 21, 2026
AutoencoderA network that compresses data and reconstructs it.May 21, 2026
Autoregressive ModelsModels that generate output one token at a time, left to right.May 21, 2026