{"id":266,"date":"2025-01-31T05:34:00","date_gmt":"2025-05-30T21:26:00","guid":{"rendered":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/p\/definition_prompt-negatif\/"},"modified":"2025-06-05T23:33:54","modified_gmt":"2025-06-05T21:33:54","slug":"definition-prompt-negatif","status":"publish","type":"post","link":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/p\/definition-prompt-negatif\/","title":{"rendered":"Prompt n\u00e9gatif"},"content":{"rendered":"<p>Un prompt n\u00e9gatif est un outil puissant en prompt engineering pour affiner les r\u00e9sultats g\u00e9n\u00e9r\u00e9s par l&rsquo;IA. Qu&rsquo;est-ce qu&rsquo;un prompt n\u00e9gatif\u00a0? C&rsquo;est une instruction qui d\u00e9crit ce que vous <em>ne voulez pas<\/em> voir dans la r\u00e9ponse de l&rsquo;IA.<\/p>\n<h3>Comment fonctionne un prompt n\u00e9gatif\u00a0?<\/h3>\n<p>Imaginez que vous \u00eates un chef cuisinier et que vous demandez \u00e0 votre commis de vous pr\u00e9parer une soupe. Un prompt positif serait\u00a0: \u00ab\u00a0Pr\u00e9pare-moi une soupe de l\u00e9gumes\u00a0\u00bb. Un prompt n\u00e9gatif serait\u00a0: \u00ab\u00a0Sans carottes ni pommes de terre\u00a0\u00bb. Le prompt n\u00e9gatif pr\u00e9cise les ingr\u00e9dients \u00e0 \u00e9viter, affinant ainsi le r\u00e9sultat final. De la m\u00eame mani\u00e8re, un prompt n\u00e9gatif guide l&rsquo;IA en lui indiquant les \u00e9l\u00e9ments \u00e0 exclure de sa g\u00e9n\u00e9ration, que ce soit du texte, des images ou du code. Il agit comme un filtre, permettant d&rsquo;\u00e9liminer les r\u00e9ponses ind\u00e9sirables et d&rsquo;obtenir des r\u00e9sultats plus pr\u00e9cis et conformes \u00e0 vos attentes.<\/p>\n<h3>Pourquoi un prompt n\u00e9gatif est-il important\u00a0?<\/h3>\n<p>L&rsquo;utilisation de prompts n\u00e9gatifs est essentielle pour am\u00e9liorer la qualit\u00e9 et la pertinence des r\u00e9sultats g\u00e9n\u00e9r\u00e9s par l&rsquo;IA.  En sp\u00e9cifiant ce que vous ne souhaitez pas, vous r\u00e9duisez les ambigu\u00eft\u00e9s et guidez l&rsquo;IA vers la r\u00e9ponse id\u00e9ale.  Par exemple, si vous g\u00e9n\u00e9rez des images, un prompt n\u00e9gatif peut emp\u00eacher l&rsquo;apparition d&rsquo;\u00e9l\u00e9ments ind\u00e9sirables ou stylistiquement incompatibles. Si vous g\u00e9n\u00e9rez du texte, il peut \u00e9viter les r\u00e9p\u00e9titions, les digressions ou les sujets hors propos.<\/p>\n<h3>Exemples d&rsquo;utilisation de prompt n\u00e9gatif<\/h3>\n<ul>\n<li><strong>G\u00e9n\u00e9ration d&rsquo;image\u00a0:<\/strong> \u00ab\u00a0Un chat assis sur un canap\u00e9, &#8211;pas de chien&#8211;\u00a0\u00bb<\/li>\n<li><strong>R\u00e9daction de texte\u00a0:<\/strong> \u00ab\u00a0\u00c9crire un po\u00e8me sur l&rsquo;amour, &#8211;pas de rimes en \u00ab\u00a0eur\u00a0\u00bb&#8211;\u00a0\u00bb<\/li>\n<li><strong>G\u00e9n\u00e9ration de code\u00a0:<\/strong> \u00ab\u00a0Cr\u00e9er une fonction pour calculer la somme de deux nombres, &#8211;pas de boucle for&#8211;\u00a0\u00bb<\/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=Prompt+positif\">Prompt positif<\/a><\/li>\n<li><a href=\"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/?s=Intelligence+artificielle\">Intelligence artificielle<\/a><\/li>\n<li><a href=\"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/?s=G%C3%A9n%C3%A9ration+de+texte\">G\u00e9n\u00e9ration de texte<\/a><\/li>\n<li><a href=\"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/?s=G%C3%A9n%C3%A9ration+d%27images\">G\u00e9n\u00e9ration d&rsquo;images<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Un prompt n\u00e9gatif est un outil puissant en prompt engineering pour affiner les r\u00e9sultats g\u00e9n\u00e9r\u00e9s par l&rsquo;IA. Qu&rsquo;est-ce qu&rsquo;un prompt n\u00e9gatif\u00a0? C&rsquo;est une instruction qui d\u00e9crit ce que vous ne voulez pas voir dans la r\u00e9ponse de l&rsquo;IA. Comment fonctionne un prompt n\u00e9gatif\u00a0? Imaginez que vous \u00eates un chef cuisinier et que vous demandez \u00e0 [&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":[71],"tags":[230,217,57,12,232,231],"class_list":["post-266","post","type-post","status-publish","format-standard","hentry","category-p","tag-generation-dimages","tag-generation-de-texte","tag-intelligence-artificielle","tag-prompt-engineering","tag-prompt-negatif","tag-prompt-positif"],"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 prompt n\u00e9gatif est un outil puissant en prompt engineering pour affiner les r\u00e9sultats g\u00e9n\u00e9r\u00e9s par l&rsquo;IA. Qu&rsquo;est-ce qu&rsquo;un prompt n\u00e9gatif\u00a0? C&rsquo;est une instruction qui d\u00e9crit ce que vous ne voulez pas voir dans la r\u00e9ponse de l&rsquo;IA. Comment fonctionne un prompt n\u00e9gatif\u00a0? Imaginez que vous \u00eates un chef cuisinier et que vous demandez \u00e0\u2026","_links":{"self":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/266","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=266"}],"version-history":[{"count":1,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/266\/revisions"}],"predecessor-version":[{"id":442,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/266\/revisions\/442"}],"wp:attachment":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/media?parent=266"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/categories?post=266"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/tags?post=266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}