What Makes the many LLMs different?

Disclaimer:  I work for Dell Technology Services as a Workforce Transformation Solutions Principal.    It is my passion to help guide organizations through the current technology transition specifically as it relates to Workforce Transformation.  Visit Dell Technologies site for more information.  Opinions are my own and not the views of my employer.

I did a general “understanding AI” session yesterday and one of the participants asked me an interesting question, which I do not think I have been asked before…

What is the different between LLMs and what makes them unique and different from each other.

I thought it was a very valid question as Huggin face alone has over 1 million models in its library (although a lot of them are old already)

Hugging Face hosts a vast number of models because it aims to democratize access to state-of-the-art machine learning models for a wide range of tasks. The platform provides a centralized hub where developers and researchers can share, discover, and use models for various applications, including natural language processing (NLP), computer vision, and more.

The models are different because they are designed to address specific tasks and use different architectures and training methods. For example, to take the models in Hugging Face, they have different categories (see HuggingFace: Summary of the models)

  1. Autoregressive Models: These models, like GPT, are trained to predict the next token in a sequence, making them suitable for text generation tasks1.
  2. Autoencoding Models: Models like BERT fall into this category. They are trained to reconstruct the original input from a corrupted version, making them ideal for tasks like sentence classification and token classification1.
  3. Sequence-to-Sequence Models: These models use both an encoder and a decoder, making them suitable for tasks like translation, summarization, and question answering. T5 is an example of such a model1.
  4. Multimodal Models: These models can handle multiple types of input, such as text and images, and are designed for specific tasks that require this capability1.
  5. Retrieval-Based Models: These models are designed to retrieve relevant information from a large corpus of data, making them useful for tasks like information retrieval and question answering.

Each model is optimized for different tasks and use cases, which is why there are so many models available on Hugging Face. This diversity allows users to find the best model for their specific needs and applications.

The following table is my first attempt at providing model guidance to the task at hand:

CategoryBasic DescriptionModel
Autoregressive ModelsA powerful model for text generation, capable of producing human-like text.GPT-4, GPT-3, Mistral, Llama3
Autoencoding ModelsDesigned for tasks like sentence classification and token classification.  RoBERTa is a version of BERT for better performance on NLP tasks.BERT, RoBERTa
Sequence-to-SequenceSuitable for translation, summarization tasks, and question answering.T5, BART
Multimodal ModelsHandles text, images, videos, and audio, suitable for various complex tasks.Gemini, GPT-4,CLIP,
Image CreationGenerates images from textual descriptions, combining text and image modalities.DALL-E, Stable Difusion,MidJourney
Retrieval-Based ModelsOptimized for retrieving relevant information from large datasets.DPR, BM25
Financial Forecastingmodels are designed to handle various financial forecasting tasks and provide valuable insights for financial institutions.FinGPT,BloombergGPT,LLM finance,

Again – this is an initial post which I will be exploring more in the future.– GREAT question THANK YOU

See Also:

What Are Large Language Models (LLM)

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