How do Large Language Models (LLMs) like ChatGPT actually work?

Large Language Models (LLMs) are AI systems trained on massive amounts of text data, from websites to books, to understand and generate language.

They use deep learning algorithms, specifically transformer architectures, to model the structure and meaning of language.

LLMs don't "know" facts in the way humans do. Instead, they predict the next word in a sequence using probabilities, based on the context of everything that came before it. This ability enables them to produce fluent and relevant responses across countless topics.

For a deeper look at the mechanics, check out our full blog post: How Large Language Models Work.

Last updated at  
April 13, 2026
Other FAQ
How can businesses use analytics insights to improve their SEO and AI search strategies over time?
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By studying analytics data, businesses can identify trends, user behavior patterns, and performance gaps. These insights allow them to continuously adjust their SEO and AI optimization strategies to improve visibility and engagement.

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What are common mistakes in Generative Engine Optimization (GEO)?
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As businesses and content creators begin adapting to Generative Engine Optimization, it's crucial to recognize that strategies effective in traditional SEO don’t always translate to success with AI-driven search models like ChatGPT, Gemini, or Perplexity.

In fact, certain classic SEO practices can actually reduce your visibility in AI-generated answers.

In traditional SEO, the use of targeted keywords, often repeated strategically across headers, metadata, and body content, is a foundational tactic.
This approach helps search engine crawlers associate pages with specific queries, and has long been used to improve rankings on platforms like Google and Bing.

However, in the context of GEO, keyword stuffing and rigid repetition can backfire. indeed, Large Language Models (LLMs) are not keyword matchers, but they are pattern recognizers that prioritize natural, contextual, and semantically rich language.
When content is overly optimized and lacks a conversational or human tone, it becomes less appealing for AI models to cite or summarize.
Worse, it may signal to the model that the content is promotional or unnatural, leading to it being deprioritized in AI-generated responses.

ℹ️ Best Practice: Instead of focusing on exact-match keywords, create content that mirrors how real users ask questions. Use plain, fluent language and focus on fully answering likely user intents in a natural tone.

Moreover, while E-E-A-T (Experience, Expertise, Authority, Trustworthiness) has gained importance in SEO, it’s often still possible to rank SEO pages with minimal authority if technical and content signals are strong. This is less true in GEO.

LLMs are trained to surface and reference content that demonstrates a high degree of trustworthiness. They favor sources that reflect real-world experience, subject-matter expertise, and institutional authority. Content without clear authorship, lacking credentials, or failing to convey reliability may be ignored by LLMs, even if it’s optimized in other ways.

ℹ️ Best Practice: Build content that clearly communicates why your organization or author is credible. Include bios, cite credentials, and demonstrate hands-on knowledge. For health, finance, or scientific topics, link to institutional or peer-reviewed sources to reinforce authority.


In addition, in traditional SEO, especially in long-tail keyword spaces, some websites can rank with minimal sourcing or citations, particularly when competing against weak content. However, GEO demands higher factual rigor.
LLMs are designed to summarize and synthesize trusted data. They tend to skip over content that lacks citation, includes speculative claims, or refers to ambiguous sources.

Moreover, AI models have been trained on vast amounts of data from academic, journalistic, and institutional sources. This training impacts which sites and sources the models tend to favor when generating answers. Content without strong sourcing is less likely to be cited or retrieved via Retrieval-Augmented Generation (RAG) processes.

ℹ️ Best Practice: Always back your claims with authoritative, up-to-date sources. Link to original studies, well-known publications, or government and academic institutions. Inline citations and linked references increase your content’s reliability from an LLM’s perspective.

In short, while there is some overlap between SEO and GEO, optimizing for AI models requires a distinct strategy. The focus shifts from gaming algorithmic ranking systems to ensuring clarity, credibility, and accessibility for intelligent systems that mimic human understanding. To succeed in GEO, it's not enough to be visible to search engines—you must also be comprehensible, trustworthy, and useful to AI.

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Search intent is commonly divided into informational, navigational, commercial, and transactional categories. Recognizing these intent types helps businesses design content that aligns with user goals, improving visibility and engagement in search results.

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Is it difficult for developers to implement WebMCP on an existing website or application?
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Implementing WebMCP is streamlined through the Google Chrome Labs toolkit. Developers have two primary paths:

  • Declarative: Simply add toolname and tooldescription attributes to existing HTML <form> tags.
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Can I keep working with my current marketing agency or internal team?
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Absolutely. RankWit works in parallel with your current team, whether internal or external.

We manage the AI visibility layer (AIO) that traditional marketing partners often aren't equipped to handle yet.

We share all our data and insights so your team maintains full strategic control, integrating AI insights into your broader marketing mix.

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How should retailers and marketing professionals adapt their strategies to Google’s Generative AI Shopping features?
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Google's Generative AI Shopping features are redefining the journey from product discovery to purchase. For retailers and marketers, this demands a strategic shift across several areas.

Invest in Visual Quality

With AI-powered "Shop Similar" product matches based on visual and semantic similarity rather than keywords alone, product image quality has never mattered more. Low-resolution photos, inconsistent backgrounds, or images that don't accurately represent the product will be at a disadvantage.

Best practice: Use clean, high-resolution product photography. Make sure images accurately represent colors, textures, and proportions, as the AI matching engine evaluates these attributes directly.

Optimize Your Shopping Graph Presence

Google's Shopping Graph — a continuously updated dataset of over 35 billion product listings — is the backbone of every AI-powered shopping feature. Incomplete, outdated, or missing products simply won't surface in AI-generated results.

Best practice: Keep product feeds up to date with accurate titles, descriptions, prices, availability, and structured attributes. Treat Shopping Graph as critical infrastructure, not a secondary operation.

Prepare for Conversational Queries

As users learn to describe products in natural language (e.g., "gifts for a 7-year-old who wants to be an inventor"), search behavior will shift toward longer, more descriptive queries. These are exactly the kind of queries generative AI excels at interpreting.

Best practice: Write product descriptions and category content that mirrors how real people talk about your products. Focus on use cases, scenarios, and specific attributes rather than generic marketing copy.

Monitor AI-Referred Traffic

According to Adobe Analytics, traffic from generative AI tools to retail websites grew 1,200% year over year in early 2025, with visitors showing longer sessions, more page views, and lower bounce rates. While still a small share of total traffic, the growth trajectory is steep.

Best practice: Track AI-referred traffic as a distinct channel in your analytics. Identify which products and categories are being surfaced by AI tools and optimize accordingly.

The shift from keyword search to AI-powered generative search is not a future event, it's happening now. Retailers who adapt their product data, visual assets, and content strategy today will be positioned to capture the growing share of purchase intent driven by AI-powered discovery.

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Within our ecosystem, we evaluate AI platforms based on real profitability criteria. We do not simply look for the most popular infrastructure, but for platforms that offer robust APIs, enterprise-grade data security, and native integration with existing systems to ensure immediate return on investment.

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What is AI Search Optimization and why is it important?
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AI Search Optimization refers to the practice of structuring, formatting, and presenting digital content to ensure it is surfaced by AI systems—particularly large language models (LLMs)—in response to user queries.Choosing a clear, unified name for this emerging field is crucial because it shapes professional standards, guides tool development, informs marketing strategies, and fosters a cohesive community of practice. Without a consistent term, the industry risks fragmentation and inefficiency, much like early digital marketing faced before "SEO" was widely adopted.

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If you’re unsure, we can help you select the best plan based on your tracking volume and team size.

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