gpt-from-scratch

The premium Open Source alternative to OpenAI API

🎯 Best for:Understanding Transformer architecture

What is gpt-from-scratch?

A clean, step-by-step codebase building a Transformer model to demystify Large Language Models. It implements attention mechanisms, embeddings, and tokenization manually rather than relying on pre-built Hugging Face abstractions.

Tech Stack
Jupyter NotebookAI, ML & Data

Why gpt-from-scratch?

  • Heavily commented code
  • PyTorch based
  • Reproducible training loop

Limitations

  • Requires GPU for training
  • Not pre-trained
  • Complex math prerequisites
2/1/2025
Last Update
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Forks
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MIT
License
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Competitor Cost
-$1,440
/ year (est. based on OpenAI API)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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