Build and Train a 25M Parameter LLM From Scratch on Your CPU

· freeCodeCamp.org · Oct. 8, 2026, 4:16 a.m.
ai-model Youtube Machine Learning education artificial-intelligence software development
Summary
Learn to build, pre-train, and fine-tune a 25-million parameter language model (LLM) using just a CPU in this tutorial. The post emphasizes that a massive GPU cluster is unnecessary for understanding modern AI development.
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