> ## Documentation Index
> Fetch the complete documentation index at: https://docs.thoughtly.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Hallucination

> A hallucination is when a language model generates plausible but incorrect information — a risk Thoughtly mitigates with Genius RAG, prompts, and guardrails.

**Hallucination** in AI refers to when a language model generates information that sounds plausible but is actually incorrect or not grounded in the provided data. Use [Genius](/genius/getting-started) with well-structured content to reduce hallucinations in your voice agents.