What are Large Language Models (LLMs)?

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Overview:

The ability of Generative AI models to “converse” with humans is due to something known as the Large Language Model, or LLM.

About Large Language Model (LLMs)

  • A large language model (LLM) is a type of artificial intelligence (AI) program that can recognize and generate text, among other tasks.
  • LLMs are trained on huge sets of data—hence the name "large."
  • LLMs are built on machine learning: specifically, a type of neural network called a transformer model.
  • In simpler terms, an LLM is a computer program that has been fed enough examples to be able to recognize and interpret human language or other types of complex data. 
  • Many LLMs are trained on data that has been gathered from the Internet—thousands or millions of gigabytes' worth of text.
  • But the quality of the samples impacts how well LLMs will learn natural language, so an LLM's programmers may use a more curated data set.
  • LLMs use a type of machine learning called deep learning in order to understand how characters, words, and sentences function together.
    • Deep learning involves the probabilistic analysis of unstructured data, which eventually enables the deep learning model to recognize distinctions between pieces of content without human intervention.
  • LLMs are then further trained via tuning: they are fine-tuned or prompt-tuned to the particular task that the programmer wants them to do, such as interpreting questions and generating responses, or translating text from one language to another.
  • What are LLMs used for?
    • LLMs can be trained to do a number of tasks. One of the most well-known uses is their application as generative AI: when given a prompt or asked a question, they can produce text in reply. 
    • The publicly available LLM ChatGPT, for instance, can generate essays, poems, and other textual forms in response to user inputs.

Q1) What is Machine Learning?

Machine learning is a branch of artificial intelligence (AI) and computer science which focuses on the use of data and algorithms to imitate the way that humans learn, gradually improving its accuracy.

Source: Explained: What is an LLM, the backbone of AI chatbots like ChatGPT, Gemini?