Large Language Models: Architecture and Training. From Next-Word Prediction to Reasoning

This talk is a highly visual and accessible look at large language models, their architecture, and their training. Attendees will be presented with the intuitions for tens of LLM concepts like tokenizers, the internals of the latest Transformer neural networks, mixture-of-expert models, reward models, reasoning LLMs, model merging, and more.

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Publication Details

Published
2025-08-03
DOI
https://doi.org/10.1145/3711896.3736805
Primary Topic
Natural Language Processing Techniques
Type
article
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article

Large Language Models: Architecture and Training. From Next-Word Prediction to Reasoning

Jay Alammar
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Natural Language Processing Techniques
article

Large Language Models: Architecture and Training. From Next-Word Prediction to Reasoning

Jay Alammar
article en

Abstract

This talk is a highly visual and accessible look at large language models, their architecture, and their training. Attendees will be presented with the intuitions for tens of LLM concepts like tokenizers, the internals of the latest Transformer neural networks, mixture-of-expert models, reward models, reasoning LLMs, model merging, and more.

Systems, Applications & Products in Data Processing (Canada) (CA)
Quality Education
Openalex Percentile: Top 90%
Natural Language Processing Techniques
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Large Language Models: Architecture and Training. From Next-Word Prediction to Reasoning — Jay Alammar · (2025) | TGRS Research Map | TGRS