How ChatGPT, Perplexity, Gemini, and Google AI Overviews Choose Which Businesses to Recommend

The short answer: Each assistant pulls from a different mix of sources, so a strategy that wins in one may do little in another. All of them reward businesses that are clearly described, consistently documented, and supported by independent sources. The practical approach is broad coverage across the places they draw from, rather than tuning for a single platform.

Why platforms differ

Assistants combine two kinds of knowledge: what a model absorbed during training, and what it retrieves from the web at the moment you ask. Retrieval is where the platforms diverge most. They use different search backends, favor different source types, and cite different numbers of sources. Because these systems change often, treat the patterns below as tendencies reported by analysts, not fixed rules.

ChatGPT

ChatGPT answers some questions from training alone and others by searching the web. When it searches, it can return local businesses, often alongside ratings and review counts that match Google Business Profile information. Analyses of its citations commonly find heavy use of reference and editorial sources and, for some queries, vendor and business websites.

What tends to help:

• A complete, consistent Google Business Profile and listings.
• Clear, answer-first pages it can quote.
• Third-party coverage such as roundups and reviews.
• Allowing its search crawler to read your site. See schema, llms.txt, and AI crawlers.

Brand-level recognition built through training changes slowly, while retrieval-based answers can respond faster to new content.

Perplexity

Perplexity runs a live search on each question, gathers candidate pages, and cites a handful in its answer. Analyses of its citations frequently show heavier use of review sites, forums, video, and comparison articles than ChatGPT shows. One comparison of the two found they cited distinctly different sources for the same queries, and that Reddit and YouTube citations appeared mainly in Perplexity.

What tends to help:

• Presence in credible list-style articles and local guides.
• Reviews on multiple platforms.
• Real price ranges instead of "contact us for a quote."
• Helpful, honest participation in relevant communities. See Reddit, Yelp, and YouTube.

Google AI Overviews and AI Mode

Google's AI features sit on top of Google's own index and its business data. For local queries, the businesses that appear have often already performed well in traditional local results, though AI-driven formats can show fewer businesses than the classic three-pack. Informational questions, such as "what should I look for when hiring a roofer," can trigger AI Overviews even when the query has no map listing, which gives your educational content a chance to be cited.

What tends to help:

• A strong Google Business Profile and reviews.
• Clear structured data and well-organized pages.
• Helpful pages that answer research-stage questions.
• A presence on sources Google itself draws from, including YouTube and local platforms.

See AI Overviews and local search.

Gemini and other assistants

Gemini draws on Google's ecosystem, so Google Business Profile and Google-indexed content matter. Other assistants, including Claude and Microsoft's Copilot, have their own retrieval behavior, and some answer largely from training unless a search feature is used. Because these products update frequently, check how a given assistant behaves with your own prompts instead of relying on a general rule.

What they have in common

Despite the differences, the same foundations keep appearing:

1. Consistent facts. The same name, address, phone, and services across sources. See becoming a trusted entity.
2. Independent corroboration. Reviews, directories, and third-party mentions that say the same thing you do.
3. Quotable content. Specific, answer-first pages. See answer engine optimization.
4. Accessibility. Crawlers can reach and read your content.
5. Recency. Active profiles, fresh reviews, and updated pages.

Why we don't optimize for a single platform

Platforms change their sources and behavior regularly, and a tactic that works this quarter may stop next quarter. Broad, accurate coverage is more durable than tuning for one system. That's the thinking behind our focus on coverage rather than chasing citations and behind publishing details in AI-crawlable mirrors.

How to see the differences for your own business

Run your top 10 customer questions in ChatGPT with search on, Perplexity, and Google AI Mode. Record which businesses and sources each one names. The gaps between platforms often point to exactly where you're missing. How to check whether ChatGPT mentions your business walks through the process.

Frequently asked questions

Which platform should I focus on first? For most local businesses, start with the foundation that serves all of them: Google Business Profile, consistent listings, reviews, and answer-first pages.

Does Reddit matter equally everywhere? No. Analyses suggest it's cited far more by some platforms than others, and less often for local contractor recommendations than for general questions.

Do these behaviors stay the same? No. Platforms update frequently, so retest periodically.

Start with the main guide: AI Visibility for Local Service Businesses.