
HOW THE BOTS PICK A BRAND
Answer engines — ChatGPT, Claude, Gemini, Perplexity, Google AI Overviews — now answer most early-stage buyer research. The pillar on how they decide which brands get cited.

Answer engines — ChatGPT, Claude, Gemini, Perplexity, Google AI Overviews — now answer most early-stage buyer research. The pillar on how they decide which brands get cited.

ChatGPT is the most widely used AI product ever built — and the default starting point for product research, reputation queries, and category comparisons. The full entity profile.

Which subreddits ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews actually cite across crypto, finance, wellness, and B2B. 4,000 observations. Perplexity leans hardest on Reddit. Claude lightest.

Two and a half years into the NYT v. OpenAI lawsuit, the Times's archive remains largely outside ChatGPT and the major answer engines. Why the bet is rational — and what happens to the publisher class regardless of how the case resolves.

A GEO program without measurement is content marketing with optimism. The five-component scoring formula behind Citation Share — Citation Frequency, Cross-Engine Breadth, Query-Type Breadth, Extractability, Crawl Access.

Citation Share is the share of AI-generated answers in which a brand appears. The KPI behind GEO, how it is measured, what it captures, what it does not, and how to set up a Citation Share program.

When a brand fixes its citation graph, the engines reflect it on staggered timelines: Perplexity in days, ChatGPT in days-to-weeks, AI Overviews in weeks, Gemini in weeks-to-months, Claude on the next training cycle. Wikipedia is the multiplier.

Shoppers are increasingly turning to AI for product recommendations before even opening Amazon. This behavioral shift, driven by "answer collapse," means consumers arrive at brands with pre-formed preferences, fundamentally changing the shopper-brand encounter and necessitating a new approach to brand marketing.


Every brand should know what each of the five major AI engines says about it for the prompts that matter. This article outlines a structured audit process, covering the engines to test, prompt categories, scoring dimensions, and actionable outputs to manage your AI reputation.