Detailed explanation
Examples
Frequently asked questions
Is bigger always better?
Not always: past a point recall quality drops and cost rises. RAG remains useful.
Related terms
Prompt
A natural-language instruction sent to a generative AI model to get a response.
Token
A unit of text (often a word fragment) that a language model consumes and produces.
LLM (Large Language Model)
An LLM is a large language model trained on massive text corpora, capable of understanding and generating natural language across many tasks: writing, summarization, translation, code, reasoning.
RAG (Retrieval-Augmented Generation)
RAG is a technique that combines an LLM with a search engine over your own documents: the model retrieves the relevant information first, then generates an answer grounded in that information.
Last updated: 7/15/2026