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Building a Large Language Model from Scratch: A Comprehensive Learning Guide

Community description: Architectural Principles, Training Dynamics, and Fine-Tuning Paradigms for Autoregressive...

Dev.to | Sep 24, 2026 | Abhishek Banerjee

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Tensors: The multi-dimensional arrays used by PyTorch to represent data and model weights. Causal Masking: A technique used during training to prevent the model from “peeking” at future tokens in the sequence. The model utilizes Cross-Entropy Loss for Next-Token Prediction.

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