---
id: "entity-perplexity-d12"
type: "entity"
entityType: "product"
canonicalName: "Perplexity"
aliases: []
source_timestamps: ["¶3"]
tags: ["llm", "platform", "search-engine"]
related: ["concept-single-answer-insights", "concept-answer-engine-optimization", "action-conduct-prompt-audit"]
sources: ["geo"]
sourceVaultSlug: "hbr-seg-geo"
originDay: 3
articleStem: "hbr-ext-12-brand-optimized-ai-search"
sourceUrl: "https://hbr.org/2025/09/is-your-brand-optimized-for-ai-search"
sourceTitle: "Is Your Brand Optimized for AI Search?"
---
# Perplexity

# Perplexity

**Type:** product (AI answer engine / search).

An AI-driven search engine cited alongside [[entity-chatgpt-d12]] and [[entity-google-ai-overview]] as a key player in the disruption of traditional internet search toward [[concept-single-answer-insights]]. It is a primary platform brands must optimize for under [[concept-answer-engine-optimization]] and a natural surface for [[action-conduct-prompt-audit]].

**Enrichment / canonical reference:** AI answer engine/search product; frequently referenced in AEO guidance as a platform to test citations and visibility.