Artificial Intelligence Terms: A Practical AI Glossary for 2026
Analytics Insight, Tuesday, October 6th, 2026
A plain-language glossary of modern AI terms, from machine learning and foundation models to agentic AI, RAG, evals and observability.
Analytics Insight offers a practical AI glossary for 2026, noting that AI now goes far beyond chatbots to reading files, calling tools, completing multi-step tasks and working with other AI systems.
It defines core terms such as machine learning, deep learning and foundation models, along with newer concepts like agentic AI and retrieval-augmented generation, which connects models to outside information.
The glossary also explains AI evals, observability, security and human oversight as the practices that make AI systems safer and more reliable.