AI Engine GuidesPart 3 of 8

How Google AI Mode works

AI Mode is Google's full conversational search. A Gemini-powered chat that researches, synthesises, and cites across many sub-queries. Here's how it works and how it differs from AI Overviews.

Buffy Editorial2026-06-09 · 2 min read

Google AI Mode is Google's full conversational search experience: a Gemini-powered chat where you ask, follow up, and refine, and get a synthesised, cited answer, not a page of links. Where an AI Overview is a summary block on the results page, AI Mode is a destination chat for deeper research.

How it works

  • Gemini-powered, index-grounded. AI Mode generates answers with Gemini but grounds them in Google's existing search index, so, like Overviews, classic search authority carries over.
  • Heavy query fan-out. It decomposes a question into many sub-queries, runs them in parallel, and synthesises, and because it's conversational, it does this repeatedly across follow-ups, going deeper each turn.
  • Multi-turn intent. A single session can move from "best vitamin C serum for sensitive skin" to "will it cause purging?" to "how do I pair it with retinol?". Each turn fanning out again.
  • It cites. Like other AI surfaces, it links sources, which is the citation you're competing for.

What it means for brands

The fundamentals are the same as for Overviews. Be indexable, structured, authoritative, fresh, but AI Mode raises the premium on intent depth. Because users go several turns deep, the brands that win are the ones whose content covers not just the headline question but the follow-ups: the comparisons, the how-tos, the objections.

AI Mode rewards coverage over a single page. If your content answers the first question but none of the natural follow-ups, you're cited in turn one and absent by turn three.

That's the intent-hub model in action: interlinked content that answers a topic's whole conversation, not one query. The same structured, authoritative, well-linked content that wins Search and Overviews compounds here.

How to think about measuring it

AI Mode answers shift by conversation context, user, and over time. Even more than Overviews. So a one-off check tells you little; what matters is presence and citation across the questions and follow-ups that make up your category's AI conversation, tracked over time. That cross-engine, multi-prompt read is what Buffy Intel is built for.

Frequently asked

What is Google AI Mode?

A dedicated conversational search experience in Google. A Gemini-powered chat where you can ask, follow up, and refine, and get a synthesised, cited answer rather than a list of links. It's distinct from the AI Overview summary block that appears on the normal results page.

How is AI Mode different from AI Overviews?

An AI Overview is a summary block above regular results; AI Mode is a full back-and-forth chat surface. Both are Gemini-powered and grounded in Google's index, but AI Mode goes deeper. Multi-turn research with heavier query fan-out.