Which AI Assistant Finds Local Businesses Best?

Your next customer is asking an AI assistant to find a business like yours right now. The question is: which assistant are they using, and does that assistant know you exist? ChatGPT, Perplexity, Google AI, Siri, and Alexa each handle local business queries differently. They pull from different data sources, favor different signals, and reach entirely different audiences. This is the definitive breakdown of how each one performs for local business discovery, backed by the latest data from 2026.

The AI Assistant Landscape for Local Search in 2026

The AI assistant market has exploded. As of early 2026, there are an estimated 8.4 billion voice assistant devices in use worldwide, a number that actually exceeds the global population. The personal AI assistant market has grown to $4.84 billion, expanding at a 42.2% compound annual growth rate. Consumers are no longer just asking assistants to set timers and play music. They are asking them to find plumbers, recommend restaurants, locate dentists, and compare auto shops.

The landscape splits into two categories. Voice-first assistants like Siri, Alexa, and Google Assistant were built for hands-free interaction and have deep device integration. Text-based AI platforms like ChatGPT and Perplexity were built for research-style queries and conversational exploration. For local business owners, both categories matter because your customers use different assistants at different moments throughout the day.

In the text-based AI chatbot market, ChatGPT dominates with 68% market share and 900 million weekly active users as of February 2026. That is more than double the 400 million weekly users it had just one year earlier. Google Gemini has surged to 18.2% market share, up from 5.4% in January 2025. Perplexity continues its rapid growth trajectory. Among traditional voice assistants in the U.S., Google Assistant leads with 92.4 million users, followed by Siri at 87 million and Alexa at 77.6 million.

Head-to-Head: Five AI Assistants Compared

Each AI assistant has a fundamentally different architecture for handling local business queries. Some pull from proprietary maps data. Others crawl the open web. Some always cite their sources. Others give a single answer with no attribution. Understanding these differences is the first step to building a strategy that covers all of them.

The table reveals something critical: no single assistant covers all the bases. Google AI has the deepest local data but the lowest conversion rate among text-based platforms. ChatGPT converts at the highest rate but relies on Bing data that many businesses neglect. Siri reaches nearly 87 million Americans but pulls from Apple Maps, a platform most businesses have never optimized. Alexa has 77.6 million users at home, relying on Yelp data that local businesses often forget about.

Voice Assistants vs. Text-Based AI for Local Discovery

The distinction between voice and text-based AI assistants matters enormously for local businesses. Each channel captures customers at different moments with different levels of purchase intent.

Voice search has become the dominant mode for local queries. Over 65% of local searches are now performed through voice, and 76% of smart speaker users search for local businesses at least weekly. Nearly half of those users search for local services daily. When someone says "Hey Siri, find a pizza place near me" or "Alexa, where is the nearest dry cleaner," they are typically ready to act immediately. The intent is high and the decision window is narrow.

Text-based AI platforms like ChatGPT and Perplexity capture a different kind of query. Users type longer, more detailed questions: "What is the best rated Mexican restaurant in downtown Austin that is open late on weekdays?" or "Which HVAC companies in Denver have the best warranty programs?" These queries show research intent. The user is comparing, evaluating, and building a shortlist before making a decision.

The conversion data reflects this split. ChatGPT referral traffic converts at 15.9% because users arrive at your website after a detailed, conversational research process. They have already narrowed their options. Siri conversions often bypass your website entirely, sending a direct phone call or triggering turn-by-turn navigation to your location. Both are valuable, but they require different optimization approaches.

Where Each Assistant Gets Its Local Business Data

The single most important thing to understand about AI assistants is this: they can only recommend your business if they can find accurate data about it. Each assistant pulls from different sources, and a gap in any one of them means invisibility on that platform.

ChatGPT: Bing and the Open Web

ChatGPT relies primarily on Bing for local business data, supplemented by its own web crawling. This means your Bing Places listing is the primary gateway to ChatGPT visibility. Most business owners have never claimed their Bing Places listing, which is why ChatGPT often has incomplete or outdated information about local businesses. ChatGPT also reads your website content directly, so the quality and structure of your service pages influence whether it recommends you.

Perplexity: Live Web Index

Perplexity operates its own live web index and crawls the web in real-time for every query. It does not depend on any single business listing platform. Instead, it aggregates information from your website, directory listings, review sites, news mentions, and industry publications. Perplexity always provides numbered citations with direct links, making it the most transparent AI assistant for source attribution.

Google AI: Maps and Business Profiles

Google AI has a massive advantage for local search because it pulls directly from Google Maps and Google Business Profile data. It knows your hours, reviews, photos, service categories, and geographic position. Google AI Overviews now appear in roughly 48% of all tracked queries, and an even higher percentage of local intent queries. Your Google Business Profile is essentially your storefront on this platform.

Siri: Apple Maps and Apple Business Connect

Siri pulls local business data from Apple Maps and Apple Business Connect (formerly Apple Maps Connect). With a 45.6% mobile voice assistant market share, Siri is the assistant people use most often while on the go. Apple Business Connect lets you claim your listing, add photos, update hours, and manage how your business appears across all Apple products. Despite this, most local businesses have never touched their Apple Business Connect profile.

Alexa: Yelp, Bing, and Amazon Ecosystem

Alexa pulls local business data primarily from Yelp and Bing. It also integrates with the broader Amazon ecosystem. Alexa holds a 37.1% share of the smart speaker market, making it the assistant people interact with most at home. When someone asks Alexa for a restaurant recommendation while cooking dinner, Alexa pulls your Yelp rating, reviews, and business details. A strong Yelp presence directly translates to Alexa visibility.

Which Assistants Actually Send Customers Your Way

Visibility is only half the equation. The other half is conversion: which assistants actually drive paying customers to your business? The data tells a surprising story. The assistants with the most users are not always the ones that send the most customers.

ChatGPT referral traffic converts at 15.9%, the highest rate of any AI platform. This makes sense when you consider how people use ChatGPT for local queries. They have a detailed conversation, narrow down options, and arrive at your website with high purchase intent. By the time they click through, they have already been "sold" by the AI.

Perplexity converts at 10.5%, which is still nearly 6x higher than traditional Google organic search at 1.8%. Perplexity users tend to be thorough researchers who read multiple sources before deciding. The fact that Perplexity always links to its sources means you get clean, attributable referral traffic you can track in your analytics.

Google AI converts at approximately 3% for referral traffic, which sounds low but is deceptive. Google AI reaches 2 billion users monthly, so even a 3% conversion rate produces massive absolute volume. Google AI also drives significant in-store foot traffic that never touches your website, especially through Google Maps integration.

Siri and Alexa are harder to measure in traditional conversion terms because they often bypass websites entirely. A Siri user asks for directions and drives directly to your business. An Alexa user asks for a phone number and calls you immediately. These conversions are real but invisible in your website analytics. They show up in your phone logs and foot traffic instead.

Strengths and Limitations of Each AI Assistant

Every AI assistant has clear strengths for local business discovery and equally clear limitations. Understanding both helps you allocate your optimization time where it will produce the greatest return.

ChatGPT

Siri

Alexa

Getting Visible Across All Five AI Platforms

The good news is that you do not need five completely separate strategies. There is significant overlap in what makes a business visible to AI assistants. The foundation is consistent, accurate, and comprehensive business data. The platform-specific work is about making sure that data reaches each assistant through the right channels.

The businesses that win in the AI assistant era share common traits. They have complete and accurate listings on every major platform. They actively collect reviews across multiple sites, not just Google. Their website content directly answers the questions customers ask. And they monitor their AI visibility regularly, catching problems before they cost real revenue.

What separates the top performers from the rest is consistency. A business that has a 4.8 star rating on Google but no Yelp presence loses every Alexa query. A business with a perfect Google Business Profile but no Apple Business Connect listing is invisible to every Siri user. A business with great website content but no Bing Places listing misses out on ChatGPT recommendations.