Perplexity — AI Answer Search Engine

Fact

A search tool that uses AI to write answers with sources.

In Plain Words

Perplexity is like Google in a tiny detective hat. It gives you an answer, then points to its clues.

Use it to research a topic or follow the news. The links help you check the sources.

Related Concepts

• Retrieval-Augmented Generation
• Large Language Model
• Information Retrieval
• AI Hallucination

RAG
Perplexity uses RAG to search pages before it answers.

LLM
An LLM reads the sources and writes the answer.

IR
IR gives Perplexity its web sources and ranking base.

Hallucination
Sources can cut Hallucination, but they do not stop it forever.