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I built a tiny LLM to demystify how language models work

I built a tiny LLM to demystify how language models work

Apr 6, 2026 AI & Machine Learning
llm pytorch transformer

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I built a tiny LLM to demystify how language models work

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Built a ~9M param LLM from scratch to understand how they actually work. Vanilla transformer, 60K synthetic conversations, ~130 lines of PyTorch. Trains in 5 min on a free Colab T4. The fish thinks the meaning of life is food.Fork it and swap the personality for your own character.

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