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title: Classical AI vs Generative AI
seo_title: Classical AI vs Generative AI — video
description: 'Technical comparison between classical AI and generative AI: inputs, outputs, determinism, explainability, and when to use rules, ML, LLMs, RAG, or agents.'
keywords: classical AI vs generative AI, AI differences, when to use LLM, RAG, AI agents, AI determinism, AI explainability, AI vs LLM, AI operational matrix
date: '2026-03-20T00:00:00+00:00'
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    <div class="s5-video-watch__crumbs"><a href="https://5sigmas.com/en/videos/">All videos</a><span>Foundations</span><span>1:03</span></div>
    <h1>Classical AI vs Generative AI</h1><p>Technical comparison between classical AI and generative AI: inputs, outputs, determinism, explainability, and when to use rules, ML, LLMs, RAG, or agents.</p>
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    <div class="s5-video-watch__section-head"><span class="s5-eyebrow">Video summary</span><h2 id="video-summary-title">The ideas to retain</h2></div>
    <div class="s5-video-watch__snippet-grid"><article><span>01</span><h2>1. The five differences</h2></article>
<article><span>02</span><h2>1.1 Inputs and outputs</h2><p>The most obvious difference is what goes in and what comes out.</p></article>
<article><span>03</span><h2>1.2 Determinism</h2><p>At inference time, with a fixed model and pipeline, classical ML is much more reproducible than generative AI: given the same input it usually produces the same output and behaves stably.…</p></article></div>
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  <aside class="s5-video-watch__source"><div><span class="s5-eyebrow">Context and evidence</span><h2>Continue with the full article</h2><p>The chapter develops the mechanism, primary sources, limitations and connections to the rest of the series.</p></div><a class="s5-video-watch__source-link" href="https://5sigmas.com/en/series/fundamentos-ia-iag/03-ia-vs-ia-generativa/">Read the article →</a></aside>
  <section class="s5-video-watch__related" aria-labelledby="related-videos-title"><div class="s5-video-watch__section-head"><span class="s5-eyebrow">Next step</span><h2 id="related-videos-title">Related videos</h2></div><div class="s5-video-watch__related-grid"><article><a href="https://5sigmas.com/en/videos/series/fundamentos-ia-iag/04-agi/"><img src="https://5sigmas.com/en/series/fundamentos-ia-iag/04-agi.jpg" alt="" loading="lazy" width="1280" height="720"><span>Foundations · 1:03</span><strong>AGI: Artificial General Intelligence</strong></a></article>
<article><a href="https://5sigmas.com/en/videos/series/fundamentos-ia-iag/02-que-es-ia-generativa/"><img src="https://5sigmas.com/en/series/fundamentos-ia-iag/02-que-es-ia-generativa.jpg" alt="" loading="lazy" width="1280" height="720"><span>Foundations · 1:03</span><strong>What is Generative AI?</strong></a></article>
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