---
title: What is AI?
seo_title: What is AI? — video
description: 'What Artificial Intelligence is, how it works and how it evolved: from heuristics and Machine Learning to neural networks and foundation models.'
keywords: artificial intelligence, what is artificial intelligence, machine learning, deep learning, generative AI, neural networks, foundation models
date: '2026-03-15T00:00:00+00:00'
robots: index,follow,max-snippet:-1,max-image-preview:large,max-video-preview:-1
hide:
- toc
- navigation
video_watch_page: true
---


<div class="s5-video-watch" data-s5-video-watch data-video-id="videos-series-fundamentos-ia-iag-01-que-es-ia-md">
  <header class="s5-video-watch__header">
    <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>What is AI?</h1><p>What Artificial Intelligence is, how it works and how it evolved: from heuristics and Machine Learning to neural networks and foundation models.</p>
  </header>
  <div class="s5-video-watch__player">
    <video controls crossorigin="anonymous" preload="metadata" poster="/en/series/fundamentos-ia-iag/01-que-es-ia.jpg" playsinline data-s5-watch-player><source src="/en/series/fundamentos-ia-iag/01-que-es-ia.mp4" type="video/mp4">Your browser does not support the video element.</video>
    <p>Links containing <code>?t=</code> open the video at a specific second.</p>
  </div>
  <section class="s5-video-watch__summary" aria-labelledby="video-summary-title">
    <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 General Framework: AI, ML, DL and GenAI</h2><p>An effective way to visualize the hierarchy is the following:</p></article>
<article><span>02</span><h2>2. How do these systems learn?</h2><p>These are not types of models, but different ways of constructing the learning signal: in other words, what kind of teacher we use.</p></article>
<article><span>03</span><h2>3. How these systems are adjusted</h2><p>Knowing where the signal that makes a system learn comes from (supervised / self-supervised / RL) is not enough.</p></article></div>
  </section>
  
  
  <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/01-que-es-ia/">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/03-ia-vs-ia-generativa/"><img src="https://5sigmas.com/en/series/fundamentos-ia-iag/03-ia-vs-ia-generativa.jpg" alt="" loading="lazy" width="1280" height="720"><span>Foundations · 1:03</span><strong>Classical AI vs Generative AI</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></div></section>
</div>