Indexly
AI & LLMsUpdated April 27, 2026

AI Mode

Definition

AI Mode is Google Search's dedicated generative-answer surface, rolled out broadly in 2025–2026 as a tab that runs the user's query through Gemini-powered retrieval and synthesis instead of (or alongside) the traditional ranked-link SERP. It is the most consumer-visible expression of Google's transition from links to answers.

How it works

A user opens AI Mode (or selects the AI Mode tab from a regular search) and types a query. Google's stack:

  1. Runs the query through Gemini with retrieval grounding against the live Google index.

  2. Generates a synthesized answer with embedded source citations — typically 6–20 cited domains per response.

  3. Displays the answer with linkable source cards and follow-up suggestions.

  4. Lets the user refine, ask follow-ups, or pivot to traditional search.

Unlike AI Overviews — which appear above the SERP for eligible queries — AI Mode is its own surface and handles the query end-to-end as a conversation.

AI Mode vs AI Overviews

Both are Gemini-powered generative search experiences, but they differ in placement and behavior:

  • AI Overviews appear at the top of a regular SERP for queries Google deems eligible. The user sees both the AI summary and the ranked links below.

  • AI Mode is a dedicated tab. The user enters a conversational flow with the AI as the primary interface. Source links appear as cards alongside the answer rather than below it.

AI Overviews are the broader-reach surface; AI Mode is the deeper-engagement surface. Both pull from the same Google index but display citations differently.

6–20

Typical number of cited domains per AI Mode response

Industry analysis, 2026

Gemini

Underlying model family powering AI Mode

Google

2

Distinct generative search surfaces Google ships in 2026 — AI Overviews and AI Mode

Google

Why it matters

AI Mode is where Google is steering the future of search. As more queries get answered inside AI Mode rather than on the traditional SERP, the citations a brand earns inside AI Mode become a primary visibility metric — not a secondary one.

AI Mode also exposes citations more prominently than AI Overviews. Source cards are clickable and visually equal-weighted, making citation rate inside AI Mode a direct driver of click-through traffic in a way that traditional ranked links no longer reliably are.

How to optimize for AI Mode

Five tactics for AI Mode visibility:

  1. Earn AI Mode citations the same way you earn AI Overview citations. Allow Google-Extended in robots.txt, add Article + FAQPage schema, write atomic definitional openings.

  2. Track AI Mode citations separately from AI Overviews. They use overlapping but not identical retrieval logic — citation rates can diverge.

  3. Optimize for follow-up queries. AI Mode is conversational. A page that earns the first citation is more likely to also earn citations on the user's follow-up questions if it covers adjacent topics.

  4. Match query intent literally. Conversational queries in AI Mode tend to be longer and more specific than typed Google queries. Pages that mirror conversational phrasing rank better.

  5. Refresh dateModified for time-sensitive pages. AI Mode penalizes stale content faster than the traditional SERP because retrieval grounding weights freshness.

Frequently asked questions

What's the difference between AI Mode and AI Overviews?

AI Overviews appear at the top of a regular SERP for eligible queries — the user sees both the AI summary and the ranked links. AI Mode is a dedicated tab where the AI is the primary interface and source links appear as cards alongside the answer. Both are Gemini-powered.

Does AI Mode replace traditional Google search?

Not yet. Traditional ranked-link search still drives the majority of Google session volume in 2026. AI Mode is growing fast and is the surface where Google is steering future product investment, but the SERP is not deprecated.

How do I get cited in AI Mode?

The same on-page tactics that earn AI Overview citations: allow Google-Extended in robots.txt, add Article + FAQPage JSON-LD, write atomic definitional openings, keep dateModified fresh on time-sensitive pages, and earn brand authority through Wikipedia and established secondary sources.

Can I track AI Mode citations?

Yes. Tools like Indexly run prompt sets through AI Mode and parse responses for cited domains and brand mentions. AI Mode is tracked as its own platform, separate from AI Overviews, because citation patterns differ.

Is AI Mode the same as Google AI Overviews?

No. They share the underlying Gemini model and Google index but differ in placement and behavior. AI Mode is conversational and dedicated; AI Overviews are an inline summary on the regular SERP. Many brands have meaningful citation share on one and not the other.

AI Overview

AI Overview is Google's AI-generated answer feature that appears at the top of search results, synthesizing information from multiple web sources into a single response with inline citations. Powered by Gemini and using query fan-out to retrieve from across the web, AI Overviews now appear on roughly 48% of US Google searches and have fundamentally restructured organic visibility.

AI grounding

AI grounding is the practice of anchoring an LLM's response in retrieved, citable sources at inference time — instead of letting the model rely solely on its training memory. Grounding is what separates a hallucination-prone chatbot from a search-grade AI assistant like Perplexity, Google AI Overviews, Bing Chat, or retrieval-augmented ChatGPT.

AI search visibility

AI search visibility is the umbrella metric capturing how often, how prominently, and how favorably your brand appears across AI assistants — ChatGPT, Claude, Perplexity, Gemini, Grok, and Google AI Overviews. It bundles mentions, citations, ranking position, sentiment, and AI-referred traffic into the executive-level read of a brand's standing in AI search.

AI citation optimization

AI citation optimization is the practice of structuring web content so AI assistants — ChatGPT, Claude, Perplexity, Gemini, Bing Chat, and Google AI Overviews — choose to cite it as a source in their generated answers. It is the citation-layer counterpart to traditional SEO link building and a core discipline within Generative Engine Optimization (GEO).

AI indexing

AI indexing is the process by which AI assistants — ChatGPT, Claude, Gemini, Perplexity, Grok, and Google AI Overviews — crawl, parse, embed, and store web content so it can be retrieved and cited at inference time. It is the AI-search counterpart to Google's traditional index, and the gateway any page must pass through to be eligible for citation.

Generative engine optimization (GEO)

Generative engine optimization (GEO) is the practice of structuring content and brand presence so that AI systems like ChatGPT, Claude, Perplexity, and Google AI Overviews cite, quote, or recommend it when generating answers. Unlike traditional SEO, which competes for ranked positions in a list of links, GEO competes for inclusion inside the answer itself.