{"id":7309,"date":"2026-10-23T16:23:35","date_gmt":"2026-10-23T16:23:35","guid":{"rendered":"https:\/\/portaileduc.net\/website\/?p=7309"},"modified":"2026-11-02T15:52:40","modified_gmt":"2026-11-02T15:52:40","slug":"mon-premier-llm-comprendre-comment-une-ia-choisit-ses-mots","status":"publish","type":"post","link":"https:\/\/portaileduc.net\/website\/mon-premier-llm-comprendre-comment-une-ia-choisit-ses-mots\/","title":{"rendered":"Mon premier LLM : comprendre comment une IA choisit ses mots"},"content":{"rendered":"\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-995f960e wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<p class=\"wp-block-paragraph\">Activit\u00e9 en ligne d&rsquo;Herv\u00e9 Allesant, h\u00e9berg\u00e9e sur la Forge des communs num\u00e9riques \u00e9ducatifs et pens\u00e9e pour le cycle 2 : les \u00e9l\u00e8ves construisent une phrase mot apr\u00e8s mot, comme le fait un grand mod\u00e8le de langage.<\/p>\n\n\n\n<ul class=\"wp-block-list pe-encadre\">\n<li><strong>Choisir le mot suivant<\/strong> : l&rsquo;outil propose une liste de mots class\u00e9s selon leur probabilit\u00e9, l&rsquo;\u00e9l\u00e8ve en retient un et la phrase s&rsquo;allonge.<\/li>\n\n\n\n<li><strong>R\u00e9gler la temp\u00e9rature<\/strong> : \u00e0 0, le mot le plus probable est toujours choisi ; plus elle monte, plus les choix deviennent inattendus.<\/li>\n\n\n\n<li><strong>R\u00e9gler le top-k<\/strong> : le nombre de mots propos\u00e9s \u00e0 chaque \u00e9tape.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:40%\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-4.png?ssl=1\"><img loading=\"lazy\" decoding=\"async\" width=\"821\" height=\"560\" src=\"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-4.png?fit=821%2C560&amp;ssl=1\" alt=\"Activit\u00e9 Mon premier LLM : construire une phrase mot apr\u00e8s mot\" class=\"wp-image-8030\" srcset=\"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-4.png?w=821&amp;ssl=1 821w, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-4.png?resize=300%2C205&amp;ssl=1 300w, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-4.png?resize=767%2C523&amp;ssl=1 767w\" sizes=\"auto, (max-width: 821px) 100vw, 821px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">De quoi comprendre pourquoi une IA peut produire une phrase fluide mais fausse, et poser les premi\u00e8res bases de l&rsquo;esprit critique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D\u00e9couvrir Mon premier LLM :<\/strong><br><a href=\"https:\/\/professeurherve.forge.apps.education.fr\/monpremierllm\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/professeurherve.forge.apps.education.fr\/monpremierllm\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une activit\u00e9 en ligne d&rsquo;Herv\u00e9 Allesant pour le cycle 2 : les \u00e9l\u00e8ves construisent une phrase mot apr\u00e8s mot, comme un grand mod\u00e8le de langage, et comprennent pourquoi une IA peut \u00e9crire juste mais faux.<\/p>\n","protected":false},"author":2,"featured_media":8030,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","jetpack_post_was_ever_published":false},"categories":[235,236],"tags":[223,282,292,311],"class_list":["post-7309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-education-au-numerique","category-ia","tag-primaire","tag-outil-en-ligne","tag-informatique-numerique","tag-education-par-et-au-numerique"],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p6aRPV-1TT","jetpack-related-posts":[{"id":7317,"url":"https:\/\/portaileduc.net\/website\/llm-fx-comprendre-un-modele-de-langage-comme-une-fonction\/","url_meta":{"origin":7309,"position":0},"title":"LLM = f(x) : un mod\u00e8le de langage vu comme une fonction","author":"Maxime Duquesnoy","date":"21 octobre 2026","format":false,"excerpt":"Rochane Kherbouche explique un grand mod\u00e8le de langage avec un outil des cours de maths, la fonction : une entr\u00e9e, des param\u00e8tres fig\u00e9s et une sortie en probabilit\u00e9s, avec ses biais et des parades.","rel":"","context":"Dans &quot;Intelligence artificielle&quot;","block_context":{"text":"Intelligence artificielle","link":"https:\/\/portaileduc.net\/website\/category\/ia\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/Image4.png?fit=1049%2C651&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/Image4.png?fit=1049%2C651&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/Image4.png?fit=1049%2C651&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/Image4.png?fit=1049%2C651&ssl=1&resize=700%2C400 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TICE","link":"https:\/\/portaileduc.net\/website\/category\/outils-pedagogiques\/outils-tice\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/1792404169057.jpeg?fit=1200%2C900&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/1792404169057.jpeg?fit=1200%2C900&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/1792404169057.jpeg?fit=1200%2C900&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/1792404169057.jpeg?fit=1200%2C900&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/1792404169057.jpeg?fit=1200%2C900&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":7311,"url":"https:\/\/portaileduc.net\/website\/vittascience-ia-entrainer-son-propre-modele-pour-comprendre-les-biais\/","url_meta":{"origin":7309,"position":2},"title":"Vittascience IA : entra\u00eener un mod\u00e8le pour voir les biais","author":"Maxime Duquesnoy","date":"23 octobre 2026","format":false,"excerpt":"L'interface IA de Vittascience permet d'entra\u00eener soi-m\u00eame un mod\u00e8le sur des images, des sons ou des postures, puis d'observer ses erreurs pour comprendre les biais. De la maternelle au sup\u00e9rieur.","rel":"","context":"Dans &quot;Education au num\u00e9rique&quot;","block_context":{"text":"Education au num\u00e9rique","link":"https:\/\/portaileduc.net\/website\/category\/education-au-numerique\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-3.png?fit=1008%2C338&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-3.png?fit=1008%2C338&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-3.png?fit=1008%2C338&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-3.png?fit=1008%2C338&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":7303,"url":"https:\/\/portaileduc.net\/website\/didaklab-un-laboratoire-pour-comprendre-comment-fonctionne-une-ia\/","url_meta":{"origin":7309,"position":3},"title":"Didak\u2019lab : un laboratoire pour exp\u00e9rimenter l\u2019IA","author":"Maxime Duquesnoy","date":"24 octobre 2026","format":false,"excerpt":"Didak'lab, le laboratoire interactif de NovaP\u00e9da, fait d\u00e9couvrir dans le navigateur comment une IA apprend, pr\u00e9dit une r\u00e9ponse ou se trompe, sans pr\u00e9requis technique.","rel":"","context":"Dans &quot;Education au num\u00e9rique&quot;","block_context":{"text":"Education au num\u00e9rique","link":"https:\/\/portaileduc.net\/website\/category\/education-au-numerique\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-16.png?fit=1200%2C572&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-16.png?fit=1200%2C572&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-16.png?fit=1200%2C572&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-16.png?fit=1200%2C572&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-16.png?fit=1200%2C572&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":8738,"url":"https:\/\/portaileduc.net\/website\/le-comparateur-combien-denergie-consomme-lia\/","url_meta":{"origin":7309,"position":4},"title":"Le comparateur : combien d&rsquo;\u00e9nergie consomme l&rsquo;IA ?","author":"Maxime Duquesnoy","date":"29 octobre 2026","format":false,"excerpt":"Une activit\u00e9 en ligne d'Antonin Bareau : classer treize chiffres r\u00e9els de consommation \u00e9lectrique li\u00e9e \u00e0 l'IA, du wattheure au t\u00e9rawattheure, puis estimer sa propre semaine num\u00e9rique. Sources fournies, licence CC BY-NC-SA.","rel":"","context":"Dans &quot;L'Atelier de Ludo&quot;","block_context":{"text":"L'Atelier de Ludo","link":"https:\/\/portaileduc.net\/website\/category\/latelier-de-ludo\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-143.png?fit=1200%2C506&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-143.png?fit=1200%2C506&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-143.png?fit=1200%2C506&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-143.png?fit=1200%2C506&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-143.png?fit=1200%2C506&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":8518,"url":"https:\/\/portaileduc.net\/website\/comparia-comparer-les-ia-conversationnelles-a-laveugle\/","url_meta":{"origin":7309,"position":5},"title":"Compar:IA : comparer les IA conversationnelles \u00e0 l&rsquo;aveugle","author":"Maxime Duquesnoy","date":"25 octobre 2026","format":false,"excerpt":"Compar:IA, service public fran\u00e7ais, fait comparer \u00e0 l'aveugle les r\u00e9ponses de deux IA, puis r\u00e9v\u00e8le les mod\u00e8les et leur impact environnemental. Id\u00e9al pour exercer l'esprit critique.","rel":"","context":"Dans &quot;Education au num\u00e9rique&quot;","block_context":{"text":"Education au num\u00e9rique","link":"https:\/\/portaileduc.net\/website\/category\/education-au-numerique\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-90.png?fit=1200%2C541&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-90.png?fit=1200%2C541&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-90.png?fit=1200%2C541&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-90.png?fit=1200%2C541&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-90.png?fit=1200%2C541&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_likes_enabled":true,"jetpack_featured_media_url":"https:\/\/i0.wp.com\/portaileduc.net\/website\/wp-content\/uploads\/2026\/10\/image-4.png?fit=821%2C560&ssl=1","_links":{"self":[{"href":"https:\/\/portaileduc.net\/website\/wp-json\/wp\/v2\/posts\/7309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/portaileduc.net\/website\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/portaileduc.net\/website\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/portaileduc.net\/website\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/portaileduc.net\/website\/wp-json\/wp\/v2\/comments?post=7309"}],"version-history":[{"count":3,"href":"https:\/\/portaileduc.net\/website\/wp-json\/wp\/v2\/posts\/7309\/revisions"}],"predecessor-version":[{"id":9097,"href":"https:\/\/portaileduc.net\/website\/wp-json\/wp\/v2\/posts\/7309\/revisions\/9097"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/portaileduc.net\/website\/wp-json\/wp\/v2\/media\/8030"}],"wp:attachment":[{"href":"https:\/\/portaileduc.net\/website\/wp-json\/wp\/v2\/media?parent=7309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/portaileduc.net\/website\/wp-json\/wp\/v2\/categories?post=7309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/portaileduc.net\/website\/wp-json\/wp\/v2\/tags?post=7309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}