A Day in the Life of an AI-Driven Purchase in Brazil

I like to think of this topic as a regular day, with nothing special happening, just to illustrate where B2B purchasing decisions are heading today, before any salesperson opens the first spreadsheet.

9 AM, the First Question

A marketing manager opens ChatGPT before her first meeting of the day and asks something like, "What are the best AI brand monitoring tools in Brazil?" The response comes back with names, without any paid ads in between, just what the model deems relevant enough to mention. She hasn't even opened Google yet.

3 PM, the Direct Comparison

Later, she returns to the same conversation, now directly comparing two of the brands that appeared in the morning. The response cites differences in functionality and points to a source, and she still hasn't visited the website of either. By the time she finally schedules the sales call, the decision is already more advanced than any salesperson imagines.

Why This Changes the Way We Sell

The salesperson participating in this call is no longer starting a conversation from scratch; they are entering a decision that has already begun elsewhere. Those who performed well in both AI conversations entered the consideration set before the first human contact occurred. Those who did not appear only find out when they have already lost their chance.

What This Requires from the Brand

Google has been repeating, across various fronts, that there is no separate trick to appear in AI responses; what helps is the same type of useful and reliable content that has always helped, but now it also needs to answer direct questions, cite sources, and show who is behind the information. This is even more crucial when the buyer is Brazilian and comparing options in their own market.

How MencionAI Fits In

We monitor exactly this type of conversation, comparing brands with competitors, prompt by prompt, every day, across multiple AIs at the same time. The goal is simple: to know if your brand is entering these two conversations before the salesperson needs to discover this the hard way, when it’s already too late.

If you want to see how your brand appears in this type of conversation, just schedule a demo.

Pedro, CMO of MencionAI

Frequently Asked Questions

Does GEO replace SEO? No. SEO ranks links on the SERP. GEO measures if your brand is cited in responses from ChatGPT, Gemini, Claude, Perplexity, Grok, and DeepSeek.

What should I publish first to be cited by AIs? Comparative pages, FAQs with stable anchors, llms.txt, and Organization schema — then re-scan the same prompts.

What is E-E-A-T and how does it help with AI citations? Google Search Central describes E-E-A-T as experience, expertise, authority, and trust — trust comes first. Named authors, firsthand experience, and citations to official documents help assess who is behind the page. Structured data is not required for AI Overviews, but Article, Person, and Organization still help Search understand the author and publisher.