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Learn Generative AI and Large Language Models (LLMs)

Generative AI and Large Language Models (LLMs)!

Part 1: Understanding Generative AI

What is Generative AI? Generative AI refers to systems that can create new content—such as text, images, music, or even code—by learning patterns from existing data. Unlike traditional AI models, which are primarily designed for classification or prediction tasks, generative AI focuses on producing something novel and realistic.

For example:

  • DALL·E creates images from text prompts.

  • GPT models generate human-like text for conversations, stories, or coding.

Core Components of Generative AI:

  1. Neural Networks: These are mathematical models inspired by the human brain, capable of processing vast amounts of data to detect patterns. Generative AI often uses deep neural networks.

  2. Generative Models:

    • GANs (Generative Adversarial Networks): Two networks (a generator and a discriminator) work together to create realistic outputs.

    • Transformers: Revolutionized NLP with attention mechanisms and are the backbone of LLMs.

  3. Applications:

    • Text Generation (e.g., chatbots, content creation)

    • Image Synthesis

    • Audio or Music Composition

Part 2: Diving Into Large Language Models (LLMs)

What are LLMs? LLMs, like GPT or BERT, are AI models specifically designed for understanding and generating human-like text. They rely heavily on the transformer architecture, which uses attention mechanisms to focus on the most important parts of a sentence when predicting or generating text.

Key Terms to Know:

  1. Tokens: Small chunks of text (words, characters, or subwords) that models process. For example:

    • Sentence: "I love AI."

    • Tokens: ["I", "love", "AI", "."]

  2. Embeddings: Mathematical representations of text that help models understand the context and meaning.

  3. Attention Mechanism: Allows the model to focus on relevant parts of the input data. For instance, when translating "I eat apples" to another language, the model focuses on "eat" and "apples" to ensure accurate translation.

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