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nanogpt

Educational GPT implementation in ~300 lines. Reproduces GPT-2 (124M) on OpenWebText. Clean, hackable code for learning transformers. By Andrej Karpathy. Perfect for understanding GPT architecture from scratch. Train on Shakespeare (CPU) or OpenWebText (multi-GPU).

backend/cli/skills/ml-training/nanogpt/SKILL.md

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# nanoGPT - Minimalist GPT Training

## Quick start

nanoGPT is a simplified GPT implementation designed for learning and experimentation.

**Installation**:
```bash
pip install torch numpy transformers datasets tiktoken wandb tqdm
```

**Train on Shakespeare** (CPU-friendly):
```bash
# Prepare data