Karpathy's nanochat: the best ChatGPT $100 can buy, near 60k GitHub stars
karpathy · github · 2026-11-02
Andrej Karpathy's open-source nanochat keeps climbing, now at 59,612 GitHub stars. Pitched as "the best ChatGPT that $100 can buy", it runs the full LLM pipeline — data prep, tokenizer training, pretraining, SFT, and inference serving — on roughly $100 of compute, producing a small but genuinely usable chat model. It doubles as a hands-on end-to-end course in training LLMs from scratch.
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