{"id":810420,"date":"2026-08-25T12:59:41","date_gmt":"2026-08-25T10:59:41","guid":{"rendered":"https:\/\/www.capgemini.com\/fr-fr\/?post_type=research-and-insight&#038;p=810420"},"modified":"2026-08-25T12:59:44","modified_gmt":"2026-08-25T10:59:44","slug":"redimensionner-llm-la-voie-vers-une-ia-plus-durable","status":"publish","type":"research-and-insight","link":"https:\/\/www.capgemini.com\/fr-fr\/perspectives\/publications\/redimensionner-llm-la-voie-vers-une-ia-plus-durable\/","title":{"rendered":"Redimensionner les LLMs : la voie vers une IA plus durable"},"content":{"rendered":"\n<header class=\"wp-block-cg-blocks-hero-reusable header heroReusable  \"><div class=\"header-bgs\"><picture><source srcset=\"https:\/\/www.capgemini.com\/wp-content\/uploads\/2026\/06\/Rightsizing-LLMs_web-banner-2026.jpg?w=2880&amp;quality=70 1x, https:\/\/www.capgemini.com\/wp-content\/uploads\/2026\/06\/Rightsizing-LLMs_web-banner-2026.jpg?w=2880&amp;quality=70 2x\" media=\"(min-width: 1500px)\"\/><source srcset=\"https:\/\/www.capgemini.com\/wp-content\/uploads\/2026\/06\/Rightsizing-LLMs_web-banner-2026.jpg?w=1440&amp;quality=70 1x, https:\/\/www.capgemini.com\/wp-content\/uploads\/2026\/06\/Rightsizing-LLMs_web-banner-2026.jpg?w=2880&amp;quality=70 2x\" media=\"(min-width: 992px)\"\/><source srcset=\"https:\/\/www.capgemini.com\/wp-content\/uploads\/2026\/06\/Rightsizing-LLMs_web-banner-2026.jpg?w=1024&amp;quality=70 1x, https:\/\/www.capgemini.com\/wp-content\/uploads\/2026\/06\/Rightsizing-LLMs_web-banner-2026.jpg?w=1024&amp;quality=70 2x\" media=\"(min-width: 768px)\"\/><source srcset=\"https:\/\/www.capgemini.com\/wp-content\/uploads\/2026\/06\/Rightsizing-LLMs_web-banner-2026.jpg?w=768&amp;quality=70 1x, https:\/\/www.capgemini.com\/wp-content\/uploads\/2026\/06\/Rightsizing-LLMs_web-banner-2026.jpg?w=768&amp;quality=70 2x\" media=\"(min-width: 0)\"\/><img decoding=\"async\" src=\"https:\/\/www.capgemini.com\/wp-content\/uploads\/2026\/06\/Rightsizing-LLMs_web-banner-2026.jpg\" class=\"header-img header-img-d\" alt=\"\" style=\"object-fit:cover;object-position:19% 19%\" loading=\"eager\"\/><\/picture><\/div><div class=\"heroPictureCardHeaderShape\"><\/div><div class=\"container\"><div class=\"row\"><div class=\"col-md-12\"><div class=\"box\"><div class=\"boxTagWrapper\"><div class=\"tagInfo\"><div><span class=\"box-tag\">D\u00e9veloppement Durable<\/span><\/div><\/div><\/div><div class=\"box-title\"><h1 data-maxlength=\"34\">Redimensionner les LLMs : la voie vers une IA plus durable<\/h1><\/div><div class=\"inner-row-insight download-btn\"><div class=\"col-md-4 downloadFiles addPadding\"><a class=\"button-download--small\" type=\"download\" href=\"https:\/\/www.capgemini.com\/wp-content\/uploads\/2026\/06\/Rightsizing-LLMs_PoVs.pdf\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"Ouvrir dans une nouvelle fen\u00eatre\"><span>T\u00e9l\u00e9chargez le PoV<\/span><span class=\"type\">3 MB pdf<\/span><\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/header>\n\n\n\n<section class=\"wp-block-cg-blocks-group section section--article-content\"><div class=\"article-main-content\"><div class=\"container\"><div class=\"grid-container\"><div class=\"col-12 col-md-2\"><nav class=\"article-social\"><ul class=\"social-nav\"><li class=\"ip-order-fb\"><a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https:\/\/www.capgemini.com\/?post_type=research-and-insight&amp;p=1226289\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"Ouvrir dans une nouvelle fen\u00eatre\"><i aria-hidden=\"true\" class=\"icon-fb\"><\/i><span class=\"sr-only\">Facebook<\/span><\/a><\/li><li class=\"ip-order-li\"><a href=\"https:\/\/www.linkedin.com\/shareArticle?url=https:\/\/www.capgemini.com\/?post_type=research-and-insight&amp;p=1226289\" target=\"_blank\" rel=\"noopener noreferrer\" title=\"Ouvrir dans une nouvelle fen\u00eatre\"><i aria-hidden=\"true\" class=\"icon-li\"><\/i><span class=\"sr-only\">Linkedin<\/span><\/a><\/li><\/ul><\/nav><\/div><div><div class=\"article-text article-quote-text\">\n<h2 id=\"h-pourquoi-des-modeles-optimises-et-plus-legers-definiront-la-prochaine-etape-de-l-ia-en-entreprise\" class=\"wp-block-heading\">Pourquoi des mod\u00e8les optimis\u00e9s et plus l\u00e9gers d\u00e9finiront la prochaine \u00e9tape de l\u2019IA en entreprise<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Votre strat\u00e9gie IA se d\u00e9veloppe-t-elle au d\u00e9triment de la durabilit\u00e9 ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 mesure que les organisations passent des exp\u00e9rimentations \u00e0 un d\u00e9ploiement de l\u2019IA \u00e0 l\u2019\u00e9chelle de l\u2019entreprise, elles sont confront\u00e9es \u00e0 une hausse de la consommation \u00e9nerg\u00e9tique, \u00e0 des besoins d\u2019infrastructure croissants et \u00e0 un renforcement des exigences r\u00e9glementaires. Les mod\u00e8les les plus volumineux sont souvent privil\u00e9gi\u00e9s par d\u00e9faut, alors m\u00eame qu\u2019ils d\u00e9passent fr\u00e9quemment les besoins r\u00e9els des cas d\u2019usage, g\u00e9n\u00e9rant des co\u00fbts, une complexit\u00e9 op\u00e9rationnelle et un impact environnemental inutiles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une autre approche s\u2019impose progressivement. Plut\u00f4t que d\u2019\u00e9tendre ind\u00e9finiment les infrastructures, les organisations les plus avanc\u00e9es repensent les mod\u00e8les eux-m\u00eames.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Adapter les grands mod\u00e8les de langage \u00e0 leurs usages r\u00e9els permet de r\u00e9duire les besoins en calcul, de limiter les \u00e9missions et de pr\u00e9server un haut niveau de performance. Cette \u00e9volution devient un levier essentiel pour d\u00e9ployer une IA durable, performante et \u00e9conomiquement viable \u00e0 grande \u00e9chelle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dans ce point de vue, d\u00e9couvrez : <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pourquoi l\u2019\u00e9quation \u00e9conomique de l\u2019IA devient difficilement soutenable \u00e0 grande \u00e9chelle<\/li>\n\n\n\n<li>Comment la compression des mod\u00e8les permet de r\u00e9duire les co\u00fbts, la consommation d\u2019\u00e9nergie et les besoins en ressources<\/li>\n\n\n\n<li>Les approches concr\u00e8tes pour concilier performance, durabilit\u00e9 et souverainet\u00e9 des donn\u00e9es<\/li>\n\n\n\n<li>Comment Capgemini et son \u00e9cosyst\u00e8me accompagnent le d\u00e9ploiement d\u2019une IA efficiente, industrialisable et pr\u00eate pour la production<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong>D\u00e9couvrez l\u2019int\u00e9gralit\u00e9 du point de vue ou \u00e9changez avec l&#8217;auteur pour acc\u00e9l\u00e9rer la mise en \u0153uvre d\u2019une IA durable \u00e0 l\u2019\u00e9chelle de votre organisation<\/strong><\/strong>.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/section>\n\n\n\n<section class=\" section section--expert-slider wrapper-people-slider wp-block-cg-blocks-wrapper-people-slider\"><div class=\"container\"><div class=\"row\"><div class=\"content-title col-12 col-md-8\"><h2 data-maxlength=\"34\" class=\"people-heading-title\">Notre expert<\/h2><\/div><\/div><\/div><div class=\"slider slider-boxed\"><div class=\"container\"><div class=\"slider-window\"><div class=\"slider-list\">\t\t<div class=\"slide\">\n\t\t\t<div class=\"box\">\n\t\t\t\t<div class=\"row\">\n\t\t\t\t\t<div class=\"col-md-6 col-lg-4 box-img-wrapper\">\n\t\t\t\t\t\t<img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.capgemini.com\/fr-fr\/wp-content\/uploads\/sites\/6\/2024\/03\/Philippe-cordier-400x400-1.png\" alt=\"Philippe Cordier\"\/>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"col-md-6 col-lg-8 box-inner\">\n\t\t\t\t\t\t<div class=\"row title-social-media-header\">\n\t\t\t\t\t\t\t<div class=\"col-md-12 col-lg-6 mbl-social-icon\">\n\t\t\t\t\t\t\t\t<ul class=\"social-nav\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li><a aria-label=\"Linkedin\" target=\"_blank\" title=\"Ouvrir dans une nouvelle fen\u00eatre\" href=\"https:\/\/www.linkedin.com\/in\/philippecordier\/\"><i aria-hidden=\"true\" class=\"icon-li\"><\/i><\/a><\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"col-md-12 col-lg-6 box-container\">\n\t\t\t\t\t\t\t\t<div class=\"box-title\">\n\t\t\t\t\t\t\t\t\t<h3 class=\"people-profile-title\">Philippe Cordier<\/h3>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>Directeur R&amp;D et Directeur IA et Sciences des Donn\u00e9es,\u00a0Capgemini Invent<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"col-md-12 col-lg-6 social-box-container dkt-social-icon\">\n\t\t\t\t\t\t\t\t<ul class=\"social-nav\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<li><a aria-label=\"Linkedin\" target=\"_blank\" title=\"Ouvrir dans une nouvelle fen\u00eatre\" href=\"https:\/\/www.linkedin.com\/in\/philippecordier\/\"><i aria-hidden=\"true\" class=\"icon-li\"><\/i><\/a><\/li>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"people-info\">Philippe est expert en gestion de grands programmes de recherche et d\u2019innovation, en IA et IA G\u00e9n\u00e9rative, avec un tropisme d\u2019application forte sur les enjeux de transition \u00e9nerg\u00e9tique et \u00e9cologique. Il accompagne la transformation d\u2019acteurs publics et priv\u00e9s dans la d\u00e9finition et la mise en \u0153uvre de leur strat\u00e9gie IA et IA G\u00e9n\u00e9rative, dans la transformation de leur process avec l\u2019IA et l\u2019IA G\u00e9n\u00e9rative et l\u2019impl\u00e9mentation de syst\u00e8mes d\u2019IA et IA G\u00e9n\u00e9rative \u00e0 l\u2019\u00e9chelle. Il dirige la practice Tech &#038; AI pour Capgemini Invent ainsi que la recherche et l\u2019innovation pour Capgemini Invent.<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div><\/div><\/div><div class=\"slider-nav\"><button class=\"slider-prev inactive\" aria-label=\"Curseur pr\u00e9c\u00e9dent\" tabindex=\"-1\"><\/button><ul class=\"slider-paginator\"><\/ul><button class=\"slider-next\" aria-label=\"Curseur suivant\"><\/button><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"<p>Pourquoi les mod\u00e8les optimis\u00e9s \u00e0 l&#8217;empreinte r\u00e9duite d\u00e9finiront la prochaine phase de l&#8217;IA en entreprise.<\/p>\n","protected":false},"author":257,"featured_media":810421,"template":"","meta":{"cg_dt_proposed_to":[],"cg_seo_hreflang_relations":"[]","cg_seo_canonical_relation":"","cg_seo_hreflang_x_default_relation":"","cg_dt_approved_content":true,"cg_dt_mandatory_content":false,"cg_dt_notes":"","cg_dg_source_changed":false,"cg_dt_link_disabled":false,"footnotes":"","related_resource_url":"","related_resource_id":0,"related_resource_size":"","related_resource_type":"","cg_author":0,"_yoast_wpseo_primary_theme":93,"primary_term":"D\u00e9veloppement Durable","featured_focal_points":""},"tags":[163],"research-and-insight-type":[],"theme":[93],"brand":[],"service":[],"industry":[],"partners":[],"content-group":[],"class_list":["post-810420","research-and-insight","type-research-and-insight","status-publish","has-post-thumbnail","hentry","tag-developpement-durable","theme-developpement-durable"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast 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