En prompt engineering, la p\u00e9nalit\u00e9 est un m\u00e9canisme essentiel pour contr\u00f4ler le comportement d’une IA. Qu’est-ce que la p\u00e9nalit\u00e9 ? C’est une technique qui d\u00e9courage l’IA d’adopter certains comportements ind\u00e9sirables en appliquant une sorte de \u00ab\u00a0malus\u00a0\u00bb \u00e0 sa r\u00e9ponse.<\/p>\n
Imaginez un chien que vous dressez. Lorsqu’il fait quelque chose de bien, vous le r\u00e9compensez. \u00c0 l’inverse, lorsqu’il se comporte mal, vous lui infligez une p\u00e9nalit\u00e9, comme un \u00ab\u00a0non\u00a0\u00bb ferme ou le retrait d’une friandise. La p\u00e9nalit\u00e9 en prompt engineering fonctionne de la m\u00eame mani\u00e8re. Au lieu de friandises, on utilise des scores. L’IA cherche toujours \u00e0 maximiser son score. Si elle produit une r\u00e9ponse qui ne respecte pas les consignes du prompt, une p\u00e9nalit\u00e9 est appliqu\u00e9e, r\u00e9duisant son score. Ainsi, l’IA apprend \u00e0 \u00e9viter ces comportements pour obtenir un meilleur score. Diff\u00e9rentes m\u00e9thodes existent pour appliquer ces p\u00e9nalit\u00e9s, comme la modification des param\u00e8tres de temp\u00e9rature (qui contr\u00f4le la cr\u00e9ativit\u00e9 et l’impr\u00e9visibilit\u00e9 de l’IA) ou l’ajout de contraintes sp\u00e9cifiques au prompt.<\/p>\n
La p\u00e9nalit\u00e9 est cruciale pour obtenir des r\u00e9ponses pertinentes et de qualit\u00e9. Sans elle, l’IA pourrait divaguer, produire du contenu hors sujet, voire toxique. Par exemple, si vous demandez \u00e0 une IA de g\u00e9n\u00e9rer un texte pour enfants, vous pouvez utiliser des p\u00e9nalit\u00e9s pour \u00e9viter tout contenu violent ou inappropri\u00e9. De m\u00eame, si vous cherchez une r\u00e9ponse concise, vous pouvez p\u00e9naliser les r\u00e9ponses trop longues. En r\u00e9sum\u00e9, la p\u00e9nalit\u00e9 permet d’affiner le comportement de l’IA et de l’aligner sur vos objectifs.<\/p>\n
En prompt engineering, la p\u00e9nalit\u00e9 est un m\u00e9canisme essentiel pour contr\u00f4ler le comportement d’une IA. Qu’est-ce que la p\u00e9nalit\u00e9 ? C’est une technique qui d\u00e9courage l’IA d’adopter certains comportements ind\u00e9sirables en appliquant une sorte de \u00ab\u00a0malus\u00a0\u00bb \u00e0 sa r\u00e9ponse. Comment fonctionne la p\u00e9nalit\u00e9 ? Imaginez un chien que vous dressez. Lorsqu’il fait quelque chose de […]<\/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":[172,270,12,269,308,523],"class_list":["post-901","post","type-post","status-publish","format-standard","hentry","category-p","tag-fonction-de-cout","tag-penalite","tag-prompt-engineering","tag-recompense","tag-temperature","tag-tokenization"],"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 prompt engineering, la p\u00e9nalit\u00e9 est un m\u00e9canisme essentiel pour contr\u00f4ler le comportement d’une IA. Qu’est-ce que la p\u00e9nalit\u00e9 ? C’est une technique qui d\u00e9courage l’IA d’adopter certains comportements ind\u00e9sirables en appliquant une sorte de \u00ab\u00a0malus\u00a0\u00bb \u00e0 sa r\u00e9ponse. Comment fonctionne la p\u00e9nalit\u00e9 ? Imaginez un chien que vous dressez. Lorsqu’il fait quelque chose de\u2026","_links":{"self":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/901","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=901"}],"version-history":[{"count":1,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/901\/revisions"}],"predecessor-version":[{"id":1015,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/posts\/901\/revisions\/1015"}],"wp:attachment":[{"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/media?parent=901"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/categories?post=901"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/happynumeric.com\/lexique-intelligence-artificielle\/wp-json\/wp\/v2\/tags?post=901"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}