What is a Large Language Model?

LLM: neural net predicting next words from internet-trained weights. Two files: params + runner.

Can I run LLMs on my own computer?

Yes—Llama 7B on MacBook M1, no net. Bigger

Why do LLMs hallucinate?

Next-token bias favors fluent BS over facts. Mitigate with RAG or fine-tunes.

LLMs Stripped Bare: Two Files That Mimic the Internet

Everyone pictured LLMs as impenetrable black boxes. Turns out, they're just a giant parameter dump and a tiny script—running on your MacBook. Here's the real architecture shift.

theAIcatchup Apr 10, 2026 3 min read

Diagram showing LLM parameters file and run code combining to generate text

⚡ Key Takeaways

LLMs are just parameters file + tiny code—no magic. 𝕏
Training: trillions of next-word predictions on internet text. 𝕏
Scaling laws predict gains; open-source democratizes AI. 𝕏

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theAIcatchup

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#LLM training #Large Language Models #RLHF #scaling laws

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Originally reported by dev.to

⚡ Key Takeaways

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