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
What types of strategies are commonly used to optimize artificial intelligence models?
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AI model optimization often involves techniques such as parameter tuning, improving training data quality, reducing model complexity, and optimizing computational efficiency. These approaches help ensure that AI systems deliver accurate results while maintaining strong performance.

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Does ChatGPT share my personal data with retailers when using Shopping Research?
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Your privacy remains a priority when using Shopping Research.
ChatGPT does not send your personal information, queries, or preferences to retailers or third-party sites.

The tool simply gathers publicly available product information online, such as specifications, reviews, and prices, and organizes it into a personalized buyer’s guide for you.

You stay in full control, and no personal data is exchanged during the process.

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How long before we see results?
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Most hotels see measurable improvements in AI citations within 30–60 days.
Full compounding results, where AI platforms consistently recommend you for your highest-value prompts, typically emerge between 90 and 180 days, depending on your starting position and market.

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What happens during a free AI audit?
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We test how ChatGPT, Gemini, and Perplexity currently respond when travelers ask about your destination, category, and competitors.

You receive a full report showing where you're visible, where you're missing, and the specific prompts losing you bookings today. No commitment required.

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What role does WebMCP play in Retrieval-Augmented Generation (RAG) and real-time search?
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Traditional LLMs are limited by their training data "cutoff" dates. WebMCP bridges this gap by enabling Dynamic Context Injection:

  • The model identifies it needs live data (e.g., "What is the current inventory of Product X?").
  • It uses the WebMCP bidirectional channel to query the server.
  • The server returns structured data, which the AI then uses to generate an accurate, up-to-the-minute response.

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What is ChatGPT Instant Checkout and how does it work for e-commerce merchants?
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ChatGPT Instant Checkout is a new capability since 2025 developed by OpenAI that allows users to discover, configure, and purchase products directly within ChatGPT without leaving the conversation.
This functionality is powered by the Agentic Commerce Protocol (ACP), an open standard that defines how merchants’ systems interact with AI agents.

Merchants connect their product catalog through a structured product feed, expose checkout endpoints via the Agentic Checkout API, and process payments securely through delegated payment providers like Stripe.
Together, these layers create a smooth, conversational shopping experience that merges AI discovery with secure e-commerce execution.

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What is tokenization, and why does it matter for GEO?
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Tokenization is the process by which AI models, like GPT, break down text into small units—called tokens—before processing. These tokens can be as small as a single character or as large as a word or phrase. For example, the word “marketing” might be one token, while “AI-powered tools” could be split into several.

Why does this matter for GEO (Generative Engine Optimization)?

Because how well your content is tokenized directly impacts how accurately it’s understood and retrieved by AI. Poorly structured or overly complex writing may confuse token boundaries, leading to missed context or incorrect responses.

Clear, concise language = better tokenization
Headings, lists, and structured data = easier to parse
Consistent terminology = improved AI recall

In short, optimizing for GEO means writing not just for readers or search engines, but also for how the AI tokenizes and interprets your content behind the scenes.

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What key elements should be included in a strong business case for AI and SEO initiatives?
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A strong business case should include clear goals, expected outcomes, cost analysis, and measurable performance indicators. These elements help organizations assess the feasibility and long-term value of AI and SEO initiatives.

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Can we continue working with our communication agency or our internal team?
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Of course. RankWit works alongside your current team, whether internal or external. We manage the visibility layer on AI platforms (AIO), which traditional marketing agencies are not yet equipped to cover. We share every data point and action taken so that the organization maintains full strategic control over the territory’s narrative.

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How is the destination’s presence on Artificial Intelligence platforms monitored?
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We run target prompts from potential tourists on all major AI platforms (weekly) and track exactly where, how, and why your destination is mentioned.

You will receive a live dashboard showing:

  • Your AI Share of Voice compared to competing destinations
  • Citation trends across different territorial assets (culture, food, outdoor)
  • Which search intents are driving interest toward the territory

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