{"id":327,"date":"2025-01-31T13:14:00","date_gmt":"2025-05-30T21:28:29","guid":{"rendered":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/g\/definition_grand-modele-de-langage\/"},"modified":"2025-06-05T23:31:03","modified_gmt":"2025-06-05T21:31:03","slug":"definition-grand-modele-de-langage","status":"publish","type":"post","link":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/g\/definition-grand-modele-de-langage\/","title":{"rendered":"Grand mod\u00e8le de langage"},"content":{"rendered":"<p>Un grand mod\u00e8le de langage est un type d&rsquo;intelligence artificielle qui excelle dans la compr\u00e9hension et la g\u00e9n\u00e9ration de texte. Qu&rsquo;est-ce qu&rsquo;un grand mod\u00e8le de langage ? C&rsquo;est un programme informatique entra\u00een\u00e9 sur une quantit\u00e9 massive de donn\u00e9es textuelles pour pr\u00e9dire et produire du langage humain de mani\u00e8re fluide et pertinente.<\/p>\n<h3>Comment fonctionne un grand mod\u00e8le de langage ?<\/h3>\n<p>Imaginez une biblioth\u00e8que immense contenant des millions de livres. Un grand mod\u00e8le de langage a lu tous ces livres et a appris les relations entre les mots, les phrases et m\u00eame les concepts.  Lorsqu&rsquo;on lui donne un mot, il peut pr\u00e9dire le mot suivant le plus probable, et ainsi de suite, pour g\u00e9n\u00e9rer des phrases et des paragraphes entiers.  Ce processus s&rsquo;apparente \u00e0 la fa\u00e7on dont vous pouvez deviner la suite d&rsquo;une chanson famili\u00e8re apr\u00e8s les premi\u00e8res notes.<\/p>\n<h3>Pourquoi un grand mod\u00e8le de langage est-il important en IA et Prompt Engineering ?<\/h3>\n<p>Les grands mod\u00e8les de langage sont essentiels car ils permettent aux ordinateurs de communiquer et d&rsquo;interagir avec nous de mani\u00e8re plus naturelle. En <em>prompt engineering<\/em>, ils sont au c\u0153ur des interactions.  La qualit\u00e9 de vos instructions, ou \u00ab\u00a0prompts\u00a0\u00bb, influence directement la qualit\u00e9 des r\u00e9ponses du mod\u00e8le. Un prompt bien formul\u00e9 peut aider le mod\u00e8le \u00e0 g\u00e9n\u00e9rer du texte cr\u00e9atif, \u00e0 traduire des langues, \u00e0 r\u00e9pondre \u00e0 des questions complexes et bien plus encore.<\/p>\n<h3>Exemples d&rsquo;utilisation de grands mod\u00e8les de langage<\/h3>\n<ul>\n<li><strong>G\u00e9n\u00e9ration de contenu cr\u00e9atif :<\/strong> \u00e9criture d&rsquo;histoires, de po\u00e8mes, d&rsquo;articles.<\/li>\n<li><strong>Traduction automatique :<\/strong> passage d&rsquo;une langue \u00e0 une autre.<\/li>\n<li><strong>R\u00e9ponse aux questions :<\/strong> fournir des informations pr\u00e9cises \u00e0 partir d&rsquo;une base de donn\u00e9es.<\/li>\n<li><strong>Chatbots et assistants virtuels :<\/strong> interaction conversationnelle avec les utilisateurs.<\/li>\n<li><strong>R\u00e9sum\u00e9 de texte :<\/strong> extraction des informations cl\u00e9s d&rsquo;un texte long.<\/li>\n<\/ul>\n<h3>Termes associ\u00e9s<\/h3>\n<ul id=\"TermesAssocies\">\n<li><a href=\"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/?s=Prompt+Engineering\">Prompt Engineering<\/a><\/li>\n<li><a href=\"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/?s=Apprentissage+automatique\">Apprentissage automatique<\/a><\/li>\n<li><a href=\"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/?s=Traitement+du+langage+naturel+%28NLP%29\">Traitement du langage naturel (NLP)<\/a><\/li>\n<li><a href=\"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/?s=R%C3%A9seaux+de+neurones\">R\u00e9seaux de neurones<\/a><\/li>\n<li><a href=\"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/?s=Intelligence+artificielle\">Intelligence artificielle<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Un grand mod\u00e8le de langage est un type d&rsquo;intelligence artificielle qui excelle dans la compr\u00e9hension et la g\u00e9n\u00e9ration de texte. Qu&rsquo;est-ce qu&rsquo;un grand mod\u00e8le de langage ? C&rsquo;est un programme informatique entra\u00een\u00e9 sur une quantit\u00e9 massive de donn\u00e9es textuelles pour pr\u00e9dire et produire du langage humain de mani\u00e8re fluide et pertinente. Comment fonctionne un grand [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[68],"tags":[44,342,57,12,97,53],"class_list":["post-327","post","type-post","status-publish","format-standard","hentry","category-g","tag-apprentissage-automatique","tag-grand-modele-de-langage","tag-intelligence-artificielle","tag-prompt-engineering","tag-reseaux-de-neurones","tag-traitement-du-langage-naturel-nlp"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false},"uagb_author_info":{"display_name":"","author_link":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"Un grand mod\u00e8le de langage est un type d&rsquo;intelligence artificielle qui excelle dans la compr\u00e9hension et la g\u00e9n\u00e9ration de texte. Qu&rsquo;est-ce qu&rsquo;un grand mod\u00e8le de langage ? C&rsquo;est un programme informatique entra\u00een\u00e9 sur une quantit\u00e9 massive de donn\u00e9es textuelles pour pr\u00e9dire et produire du langage humain de mani\u00e8re fluide et pertinente. Comment fonctionne un grand\u2026","_links":{"self":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/327","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/comments?post=327"}],"version-history":[{"count":1,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/327\/revisions"}],"predecessor-version":[{"id":503,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/327\/revisions\/503"}],"wp:attachment":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/media?parent=327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/categories?post=327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/tags?post=327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}