En intelligence artificielle et en prompt engineering, le terme \u00ab\u00a0mod\u00e8le\u00a0\u00bb est central. Il d\u00e9signe l’\u00e9l\u00e9ment cl\u00e9 qui permet de g\u00e9n\u00e9rer du texte, des images, ou d’autres types de donn\u00e9es. Qu’est-ce qu’un mod\u00e8le ? C’est un syst\u00e8me informatique entra\u00een\u00e9 sur une grande quantit\u00e9 de donn\u00e9es pour pr\u00e9dire et g\u00e9n\u00e9rer du contenu.<\/p>\n
Un mod\u00e8le fonctionne comme un apprenti qui \u00e9tudie des milliers d’exemples pour apprendre \u00e0 r\u00e9aliser une t\u00e2che sp\u00e9cifique. Imaginez un apprenti boulanger qui observe attentivement son ma\u00eetre pr\u00e9parer des croissants pendant des semaines. Au fur et \u00e0 mesure de ses observations, l’apprenti apprend les gestes, les proportions, les temps de cuisson. Un mod\u00e8le d’IA, lui, \u00ab\u00a0observe\u00a0\u00bb des donn\u00e9es et apprend les relations entre elles. Par exemple, un mod\u00e8le de g\u00e9n\u00e9ration de texte apprend les liens entre les mots, les phrases, et les structures grammaticales pour pouvoir ensuite g\u00e9n\u00e9rer du texte coh\u00e9rent et pertinent. Lorsqu’on lui fournit une instruction (un prompt), il utilise ses connaissances acquises pour pr\u00e9dire la suite la plus probable.<\/p>\n
Les mod\u00e8les sont essentiels car ils constituent le c\u0153ur m\u00eame des syst\u00e8mes d’IA g\u00e9n\u00e9rative. En prompt engineering, la qualit\u00e9 du r\u00e9sultat d\u00e9pend fortement du mod\u00e8le utilis\u00e9 et de la mani\u00e8re dont il est sollicit\u00e9. Un mod\u00e8le performant, bien entra\u00een\u00e9, est capable de g\u00e9n\u00e9rer des r\u00e9ponses pr\u00e9cises, cr\u00e9atives, et adapt\u00e9es au contexte. Par exemple, en traduction automatique, un bon mod\u00e8le permettra d’obtenir une traduction fid\u00e8le et nuanc\u00e9e. En g\u00e9n\u00e9ration d’images, il pourra cr\u00e9er des visuels originaux et r\u00e9alistes.<\/p>\n
En intelligence artificielle et en prompt engineering, le terme \u00ab\u00a0mod\u00e8le\u00a0\u00bb est central. Il d\u00e9signe l’\u00e9l\u00e9ment cl\u00e9 qui permet de g\u00e9n\u00e9rer du texte, des images, ou d’autres types de donn\u00e9es. Qu’est-ce qu’un mod\u00e8le ? C’est un syst\u00e8me informatique entra\u00een\u00e9 sur une grande quantit\u00e9 de donn\u00e9es pour pr\u00e9dire et g\u00e9n\u00e9rer du contenu. Comment fonctionne un mod\u00e8le ? […]<\/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":[157],"tags":[44,190,57,50,137,35],"class_list":["post-296","post","type-post","status-publish","format-standard","hentry","category-m","tag-apprentissage-automatique","tag-entrainement","tag-intelligence-artificielle","tag-jeu-de-donnees","tag-modele","tag-prompt"],"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":"En intelligence artificielle et en prompt engineering, le terme \u00ab\u00a0mod\u00e8le\u00a0\u00bb est central. Il d\u00e9signe l’\u00e9l\u00e9ment cl\u00e9 qui permet de g\u00e9n\u00e9rer du texte, des images, ou d’autres types de donn\u00e9es. Qu’est-ce qu’un mod\u00e8le ? C’est un syst\u00e8me informatique entra\u00een\u00e9 sur une grande quantit\u00e9 de donn\u00e9es pour pr\u00e9dire et g\u00e9n\u00e9rer du contenu. Comment fonctionne un mod\u00e8le ?\u2026","_links":{"self":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/296","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=296"}],"version-history":[{"count":2,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/296\/revisions"}],"predecessor-version":[{"id":664,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/296\/revisions\/664"}],"wp:attachment":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/media?parent=296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/categories?post=296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/tags?post=296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}