{"id":292,"date":"2025-11-26T05:58:05","date_gmt":"2025-11-26T05:58:05","guid":{"rendered":"https:\/\/www.sebastienhumeau.eu\/wordpress\/?p=292"},"modified":"2025-11-26T05:58:05","modified_gmt":"2025-11-26T05:58:05","slug":"anthropic-claude-3-lia-ethique-qui-a-detrone-gpt-4","status":"publish","type":"post","link":"https:\/\/www.sebastienhumeau.eu\/wordpress\/anthropic-claude-3-lia-ethique-qui-a-detrone-gpt-4\/","title":{"rendered":"Anthropic Claude 3 : L&rsquo;IA \u00ab\u00a0\u00e9thique\u00a0\u00bb qui a d\u00e9tr\u00f4n\u00e9 GPT-4"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Notre tour d&rsquo;horizon des acteurs de l&rsquo;IA ne serait pas complet sans parler du \u00ab\u00a0rebelle\u00a0\u00bb de la Silicon Valley. Apr\u00e8s les titans commerciaux que sont OpenAI, Google et Microsoft, place \u00e0 un acteur qui a fait de la s\u00e9curit\u00e9 sa marque de fabrique, tout en livrant une performance technologique \u00e9poustouflante.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p class=\"wp-block-paragraph\">Voici <strong>Anthropic<\/strong> et son intelligence artificielle, <strong>Claude<\/strong>. Si vous cherchez une IA qui \u00e9crit de mani\u00e8re plus \u00ab\u00a0humaine\u00a0\u00bb et qui peut lire un livre entier en quelques secondes, cet article est pour vous.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1. \ud83d\udcdc Historique : Le schisme d&rsquo;OpenAI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;histoire d&rsquo;Anthropic est fascinante car elle commence&#8230; chez OpenAI.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>La rupture (2021) :<\/strong> Anthropic a \u00e9t\u00e9 fond\u00e9e par Daniela et Dario Amodei, fr\u00e8re et s\u0153ur. Dario \u00e9tait l&rsquo;ancien vice-pr\u00e9sident de la recherche chez OpenAI. Ils ont quitt\u00e9 le navire (avec d&rsquo;autres chercheurs cl\u00e9s) suite \u00e0 des d\u00e9saccords profonds sur la direction prise par OpenAI apr\u00e8s l&rsquo;investissement massif de Microsoft. Ils craignaient que la course au profit ne se fasse au d\u00e9triment de la s\u00e9curit\u00e9 de l&rsquo;IA.<\/li>\n\n\n\n<li><strong>La mission : L&rsquo;IA constitutionnelle :<\/strong> Ils ont cr\u00e9\u00e9 Anthropic en tant qu'\u00a0\u00bbentreprise d&rsquo;int\u00e9r\u00eat public\u00a0\u00bb (Public Benefit Corporation). Leur but n&rsquo;est pas juste de faire l&rsquo;IA la plus puissante, mais la plus <strong>s\u00fbre, honn\u00eate et contr\u00f4lable<\/strong>. Ils ont d\u00e9velopp\u00e9 le concept d'\u00a0\u00bbIA constitutionnelle\u00a0\u00bb : au lieu de patcher le mod\u00e8le apr\u00e8s coup pour l&#8217;emp\u00eacher de dire des b\u00eatises, ils lui donnent une \u00ab\u00a0constitution\u00a0\u00bb (un ensemble de r\u00e8gles \u00e9thiques) \u00e0 suivre pendant son entra\u00eenement.<\/li>\n\n\n\n<li><strong>Le soutien des g\u00e9ants (2023-2024) :<\/strong> Bien qu&rsquo;ind\u00e9pendant, Anthropic a besoin de puissance de calcul. Ils ont re\u00e7u des investissements massifs de <strong>Google<\/strong> et surtout d&rsquo;<strong>Amazon<\/strong> (plus de 4 milliards de dollars), qui voient en Claude l&rsquo;alternative parfaite \u00e0 l&rsquo;alliance Microsoft\/OpenAI.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83e\udde0 Ce que fait Claude : La famille Claude 3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jusqu&rsquo;\u00e0 r\u00e9cemment, Claude \u00e9tait un excellent challenger, mais restait l\u00e9g\u00e8rement derri\u00e8re GPT-4. Tout a chang\u00e9 en mars 2024 avec l&rsquo;arriv\u00e9e de la famille <strong>Claude 3<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Anthropic ne propose pas un seul mod\u00e8le, mais trois, adapt\u00e9s \u00e0 diff\u00e9rents besoins :<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Claude 3 Haiku :<\/strong> Le plus rapide et le moins cher. Il est capable de lire des documents complexes et d&rsquo;y r\u00e9pondre en une fraction de seconde. Id\u00e9al pour les t\u00e2ches simples et rapides.<\/li>\n\n\n\n<li><strong>Claude 3 Sonnet :<\/strong> Le mod\u00e8le \u00e9quilibr\u00e9. C&rsquo;est celui qui alimente g\u00e9n\u00e9ralement la version gratuite de leur chat. Il est excellent pour la plupart des t\u00e2ches quotidiennes.<\/li>\n\n\n\n<li><strong>Claude 3 Opus :<\/strong> Le monstre de puissance. C&rsquo;est le mod\u00e8le \u00ab\u00a0premium\u00a0\u00bb. \u00c0 sa sortie, il a battu GPT-4 sur la quasi-totalit\u00e9 des tests standardis\u00e9s (raisonnement, math\u00e9matiques, codage). C&rsquo;est l&rsquo;outil de choix pour les t\u00e2ches complexes n\u00e9cessitant une grande \u00ab\u00a0intelligence\u00a0\u00bb.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Comme ses concurrents, Claude 3 est d\u00e9sormais <strong>multimodal<\/strong> : il peut analyser des images, des graphiques et des photos avec une grande pr\u00e9cision.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\ude80 Ce qui diff\u00e9rencie Claude des concurrents<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pourquoi utiliseriez-vous Claude plut\u00f4t que ChatGPT ou Gemini ? Voici ses trois atouts majeurs :<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. La \u00ab\u00a0plume\u00a0\u00bb et le ton plus humain<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C&rsquo;est souvent le retour principal des utilisateurs. L\u00e0 o\u00f9 ChatGPT peut parfois \u00eatre verbeux, r\u00e9p\u00e9titif ou avoir un ton tr\u00e8s \u00ab\u00a0scolaire\u00a0\u00bb et robotique, Claude a une \u00e9criture plus naturelle, plus nuanc\u00e9e et plus directe. Il est souvent pr\u00e9f\u00e9r\u00e9 pour la r\u00e9daction cr\u00e9ative, le copywriting ou la synth\u00e8se de textes complexes.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. Une m\u00e9moire de g\u00e9ant (La fen\u00eatre de contexte)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C&rsquo;est le grand point fort de Claude. Il dispose d&rsquo;une fen\u00eatre de contexte de <strong>200 000 jetons (tokens)<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Concr\u00e8tement :<\/em> Vous pouvez lui donner \u00e0 lire un livre de 500 pages, des centaines de pages de documentation technique ou des contrats juridiques massifs d&rsquo;un seul coup. Il peut tout \u00ab\u00a0garder en t\u00eate\u00a0\u00bb pour r\u00e9pondre \u00e0 vos questions. C&rsquo;est une capacit\u00e9 d&rsquo;analyse de documents longs que la version standard de ChatGPT ne peut pas encore \u00e9galer.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3. La s\u00e9curit\u00e9 et la fiabilit\u00e9 pour les pros<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Gr\u00e2ce \u00e0 son approche \u00ab\u00a0constitutionnelle\u00a0\u00bb, Claude est con\u00e7u pour \u00eatre moins \u00ab\u00a0jovial\u00a0\u00bb mais aussi moins susceptible d'\u00a0\u00bbhalluciner\u00a0\u00bb (inventer des faits) ou de g\u00e9n\u00e9rer du contenu probl\u00e9matique. C&rsquo;est un argument de poids pour les entreprises qui veulent int\u00e9grer l&rsquo;IA sans prendre de risques l\u00e9gaux ou d&rsquo;image.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Conclusion<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Anthropic et Claude 3 prouvent qu&rsquo;il est possible de concilier performance de pointe et \u00e9thique rigoureuse. Ils ne cherchent pas \u00e0 vous enfermer dans un \u00e9cosyst\u00e8me (comme Google ou Microsoft), mais proposent simplement un outil d&rsquo;une intelligence redoutable, capable de g\u00e9rer des volumes d&rsquo;informations impressionnants avec une touche d&rsquo;humanit\u00e9 dans le style.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous trouvez ChatGPT trop robotique ou que vous avez besoin d&rsquo;analyser de tr\u00e8s longs documents, Claude est l&rsquo;acteur \u00e0 tester absolument.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Notre tour d&rsquo;horizon des acteurs de l&rsquo;IA ne serait pas complet sans parler du \u00ab\u00a0rebelle\u00a0\u00bb de la Silicon Valley. Apr\u00e8s les titans commerciaux que sont OpenAI, Google et Microsoft, place \u00e0 un acteur qui a fait de la s\u00e9curit\u00e9 sa marque de fabrique, tout en livrant une performance technologique \u00e9poustouflante.<\/p>\n","protected":false},"author":1,"featured_media":293,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[45,44,8],"class_list":["post-292","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ia","tag-anthropic","tag-claude","tag-ia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Anthropic Claude 3 : L&#039;IA \u00e9thique qui surpasse GPT-4 et analyse vos longs documents<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez Claude 3 d&#039;Anthropic, le concurrent le plus s\u00e9rieux d&#039;OpenAI. 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