YB Marketing · Insight

Query Fan-Out: The Hidden Queries Behind Every AI Answer (And Why Your GEO Strategy Misses Them)

fan out queries geo aeo

When someone asks ChatGPT “best CRM for real estate,” the AI doesn’t just search for that exact phrase.

It secretly runs 20-30+ different searches behind the scenes:

  • “CRM with MLS integration”
  • “real estate CRM vs general CRM”
  • “CRM for small real estate teams”
  • “best CRM for real estate 2025”
  • “real estate CRM pricing comparison”

And synthesizes an answer with recommendations based on its findings.

Google calls this “query fan-out” in their patents. ChatGPT, Perplexity, and Gemini all do it.

Your content might rank #1 for the original search term in Google… but still never appear in the AI’s answer.

Why? Because the AI decides inclusion based on these hidden sub-queries, not the phrase users actually type.

Why Traditional SEO Is Blind Here

Your rank tracking tools show you’re #1 for “best CRM for real estate.”

But they can’t tell you if you rank for:

  • The 30 different ways AI rephrases that query
  • The comparison variations AI prefers
  • The date-stamped versions AI prioritizes
  • The feature-specific questions AI asks

You’re optimizing for visibility you can measure, not visibility that actually gets you cited.

What Changes Across Platforms

  • ChatGPT: Hides fan-out completely (unless you inspect the Network tab).
  • Perplexity: Shows “Steps” panel with some sub-queries. Strong bias toward recent/up-to-date content.
  • Gemini: Uses fan-out per Google patents, but doesn’t show queries publicly. 

To research likely fan-out queries, compare the follow-up questions, comparisons, and cited sources that appear when you ask AI tools about your topic. Check those patterns against Search Console data and real customer questions. Treat the results as research clues: the full set of hidden AI searches is not always visible.

How to Use Fan-Out Research

Once you have a set of likely fan-out questions, here’s where to start:

  1. Look for patterns, not individual queries. You’ll see clusters around comparisons, features, use cases, and dates. Group similar queries together-that’s your content roadmap.
  2. Identify the gaps in your existing content. Cross-reference the sub-queries against what you already have. The missing pieces are why AI isn’t citing you.
  3. Prioritize queries that show buyer intent. Not all fan-out queries matter equally. Some signal research phase, others signal decision-making. Focus on the ones closer to conversion.
  4. Build comparison content strategically. AI loves “X vs Y” formats, but you need to know which comparisons to create and how to structure them for retrieval.

The shift isn’t coming – it’s already here.

AI doesn’t search the way users do. And if you’re only optimizing for what users type, you’re invisible where decisions actually happen.

Want help turning this research into an AI optimization strategy? Get in touch and we can review the opportunities together.

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    If search should be growing your business and it isn’t – or you’re simply not sure what it’s really doing – let’s talk about your business, your priorities, and whether we’re a good fit.