Glossary: L

Information Technologies

What is WORD?

Large Language Models (LLMs) are advanced artificial intelligence (AI) systems designed to understand, process, and generate human language. Built using deep learning—specifically, transformer neural network architectures—LLMs are trained on vast datasets that include text and code, sometimes encompassing information from across the internet and large document collections. Their massive scale, with billions or even hundreds of billions of parameters, enables them to comprehend context, recognize patterns, and produce coherent, human-like responses to a wide range of prompts.

Key features of LLMs:

  • Text Generation: LLMs can write articles, code, emails, dialogue, and creative content.

  • Language Understanding: They excel in tasks requiring context awareness, text summarization, question answering, translation, and sentiment analysis.

  • Foundation Models: Many LLMs serve as general-purpose base models that can be adapted and fine-tuned for specific industries or applications, reducing the need for task-specific training.

  • Transformer Architecture: LLMs use transformer models with self-attention mechanisms, enabling efficient parallel processing and the ability to model complex relationships in text.

  • Applications Across Industries: LLMs power chatbots, virtual assistants, search engines, and specialized enterprise tools in healthcare, finance, customer service, and more.

Popular examples of large language models include ChatGPT, Gemini, Claude, and Copilot.

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