# Show HN: The Smallest LLM in JavaScript

> Source: <https://gist.github.com/skorotkiewicz/dedc3b5a857be7d0f2b378334721713c>
> Published: 2026-09-20 04:05:05+00:00

Created
          September 20, 2026 04:04 

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    the smallest LLM
  

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|  | const text = "mama dad mama cat dad mama dog"; | 
|  | const words = text.split(" "); | 
|  | const model = {}; | 
|  | for (let i = 0; i < words.length - 1; i++) { | 
|  | const a = words[i]; | 
|  | const b = words[i + 1]; | 
|  | model[a] ??= []; | 
|  | model[a].push(b); | 
|  | } | 
|  | function next(word) { | 
|  | const choices = model[word] ?? words; | 
|  | return choices[Math.floor(Math.random() * choices.length)]; | 
|  | } | 
|  | function generate(start, n = 10) { | 
|  | let word = start; | 
|  | const out = [word]; | 
|  | for (let i = 0; i < n; i++) { | 
|  | word = next(word); | 
|  | out.push(word); | 
|  | } | 
|  | return out.join(" "); | 
|  | } | 
|  | console.log(generate("mama")); | 

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