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Building a GPT from scratch: What I learned and why it mattered

Building a GPT from scratch: What I learned and why it mattered

by pirosb3·Mar 30, 2026·2 points·0 comments

AI Analysis

MidCozy

Another transformer-from-scratch tutorial in a saturated space.

Strengths
  • Personal learning journey with practical Claude-assisted approach
  • Bottom-up explanation of tokenizers, embeddings, and attention
Weaknesses
  • Educational content, not a shipped product or tool
  • Karpathy's nanoGPT already covers this thoroughly
Category
Target Audience

Developers wanting to understand LLM internals

Similar To

nanoGPT · Andrej Karpathy tutorials

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