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What is LLM?

  • 21 February 2025
  • 4 minutos
  • Blog

The arrival of Artificial Intelligence (AI) technologies in companies and their widespread acceptance have led to the emergence of new tools that are worth knowing about in order to understand how they can benefit businesses that decide to implement them in their work routines. And this leads us to ask ourselves, what is an LLM?

If you've come this far, it's because you're intrigued by it too, or better still, because you're looking for ways to make the most of it. Whatever your case may be, make yourself comfortable, because you're not leaving here without a clear idea!

Definition of LLM (Large Language Model)

LLM is a type of AI model whose purpose is to understand and generate human language as coherently as possible, and its name, "large", comes from the fact that these models are trained on large volumes of textual data in order to learn linguistic patterns.

How does an LLM work?

LLMs are made possible by deep neural networks that process and analyse large amounts of text to learn the structures and rules of language.

Imagine reading thousands of books. Over time, you would be able to identify patterns and contexts, right? Well, an LLM is able to " read" huge amounts of text and predict and generate answers based on the context provided.

It is precisely this that allows it to understand questions and generate answers that seem human-like, which is giving rise to applications such as those detailed in the following section.

Applications of LLMs in Artificial Intelligence

LLMs have different uses in the field of Artificial Intelligence, which means that they can be put to good use in a multitude of sectors.

  • Virtual assistants and chatbots provide accurate and contextual responses to user queries, improving customer service processes.
  • They are able to create texts, articles or summaries autonomously, automating and facilitating the generation of written content.
  • They have proven to be perfect programming assistants, as they can suggest code, fix bugs and automate tasks that give freedom to work in other more specialised areas.
  • They can translate automatically, maintaining both the context and the meaning of the content.
  • They analyse opinions and emotions, which is very useful for market research.

And this is just the beginning, this technology still has a long way to go!

Differences between LLM and other AI models

Large Language Models differ from other AI models in certain aspects that need to be clear.

  • They have billions of parameters, which allows them to understand and generate language in a more sophisticated way than smaller models.
  • They need large amounts of text data for training, but other AI technologies can be trained on smaller sets.
  • LLMs are specialised in language-related tasks, while other AI models can work with images or numerical analysis.

Advantages and limitations of LLMs

LLMs offer great benefits, but also some drawbacks that need to be taken into account.

On the one hand, they can perform an infinite number of linguistic tasks and their performance improves as new data and parameters are provided.

On the negative side, they require a large number of resources for their training and operation, and they may reflect certain biases if these are present in the training data, which means that they may be biased and therefore not entirely reliable, and may provide inaccurate or inappropriate responses.

They have great potential, but you know: power without control is useless!

The future of LLM in various industries

We have already told you what LLM is, and the enormous potential this technology has shown in a relatively short time, even though it is still under development! This means that, in the coming years, there will be endless job opportunities related to this type of Artificial Intelligence-based solutions.

That is why it is important to consider higher education options such as our Master's in Artificial Intelligence, designed to train professionals and recent graduates and prepare them to be indispensable in a world in full expansion.

If you are seduced by the world of technology, want to dedicate yourself to it fully and don't know where to start, we have just what you are looking for. Contact us and we will tell you how we can help you become the professional you want to be!

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