I Built GPT-2 from Scratch in PyTorch

📰 Medium · Python

Learn how to build GPT-2 from scratch in PyTorch and understand the decoder-only transformer architecture

advanced Published 19 May 2026
Action Steps
  1. Build a decoder-only transformer architecture using PyTorch
  2. Implement the GPT-2 model from scratch
  3. Train the model on a dataset of your choice
  4. Test the model's performance on a validation set
  5. Fine-tune the model's hyperparameters for better results
Who Needs to Know This

This tutorial is beneficial for AI engineers and researchers who want to implement and customize GPT-2 for their projects, and for software engineers interested in natural language processing

Key Insight

💡 Implementing GPT-2 from scratch allows for customization and improvement of the model's performance

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🚀 Build GPT-2 from scratch in PyTorch and unlock new possibilities in NLP! 💻

Key Takeaways

Learn how to build GPT-2 from scratch in PyTorch and understand the decoder-only transformer architecture

Full Article

GPT : Generative Pre-trained Transformer is a decoder-only transformer architecture which takes the tokens as input and predicts the next… Continue reading on Medium »
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