The inner workings of large language models (LLMs) like ChatGPT, focusing on the transformer architecture. The speaker starts by defining what LLMs are and how they use pre-trained transformers to generate text. The main focus is on the attention mechanism, which allows LLMs to learn the relationship between words in a sentence and understand their context. The video uses a visual approach and provides simple analogies to explain complex concepts. It also briefly discusses the embedding process, which translates words into numerical representations, and the softmax function, which normalizes these representations into probability distributions.

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