{"id":4863,"date":"2025-11-20T03:34:27","date_gmt":"2025-11-20T07:34:27","guid":{"rendered":"https:\/\/wp.glbgpt.com\/?p=4863"},"modified":"2026-07-27T23:34:52","modified_gmt":"2026-07-28T03:34:52","slug":"gemini-3-pro-vs-claude45","status":"publish","type":"post","link":"https:\/\/wp.glbgpt.com\/fr\/hub\/gemini-3-pro-vs-claude45","title":{"rendered":"Gemini 3 Pro vs Claude 4.5 pour la programmation : tests concrets, avantages, inconv\u00e9nients et meilleurs cas d'utilisation"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>R\u00e9ponse rapide :<\/strong> As of July 27, 2026, the current comparison is no longer Gemini 3 Pro vs Claude 4.5. Google\u2019s active Pro API model is <a href=\"https:\/\/ai.google.dev\/gemini-api\/docs\/models\/gemini-3.1-pro-preview\" target=\"_blank\" rel=\"noopener\">Gemini 3.1 Pro Preview<\/a>, while Anthropic\u2019s current coding choices are <a href=\"https:\/\/www.anthropic.com\/news\/claude-sonnet-5\" target=\"_blank\" rel=\"noopener\">Claude Sonnet 5<\/a> for the best speed-and-intelligence balance and <a href=\"https:\/\/www.anthropic.com\/news\/claude-opus-5\" target=\"_blank\" rel=\"noopener\">Claude Opus 5<\/a> for complex agentic coding. For most everyday development, start with Sonnet 5; use Opus 5 for the hardest long-horizon work, and choose Gemini 3.1 Pro when multimodal inputs, Google tooling, or UI-heavy workflows matter most. For a wider market view, compare the <a href=\"https:\/\/www.glbgpt.com\/hub\/best-ai-model-for-coding\/\">best AI models for coding in 2026<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Current Coding Need<\/th><th>Model to Start With<\/th><th>Why This Is the Current Fit<\/th><\/tr><\/thead><tbody><tr><td>Everyday coding and agents<\/td><td>Claude Sonnet 5<\/td><td>Anthropic positions it as the best combination of speed and intelligence, with a 1M-token context window.<\/td><\/tr><tr><td>Complex agentic coding<\/td><td>Claude Opus 5<\/td><td>Anthropic positions it for complex agentic coding and enterprise work; it is the strongest model on Claude Pro.<\/td><\/tr><tr><td>Longest, hardest agent tasks<\/td><td>Claude Fable 5<\/td><td>Anthropic\u2019s highest widely released capability tier for long-running agents, with higher API cost and special consumer-credit access.<\/td><\/tr><tr><td>Multimodal, UI, and Google workflows<\/td><td>Gemini 3.1 Pro Preview<\/td><td>Google positions it for multimodal understanding, software engineering, precise tool use, and agentic workflows.<\/td><\/tr><tr><td>Low-latency pair programming<\/td><td>Claude Ha\u00efku 4.5<\/td><td>The fastest current Claude model, with lower API pricing and a smaller context window.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-image size-large\"><img alt=\"\" fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-831-1024x640.png\" class=\"wp-image-15877\" srcset=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-831-1024x640.png 1024w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-831-300x187.png 300w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-831-768x480.png 768w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-831-1536x960.png 1536w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-831-2048x1279.png 2048w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2026\/03\/image-831-18x12.png 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-3e41869c wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-black-color has-luminous-vivid-amber-background-color has-text-color has-background has-link-color wp-element-button\">Essayez plus de 100 mod\u00e8les phares sur GlobalGPT<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<nav aria-label=\"Table des mati\u00e8res\" style=\"border:1px solid #d9e2f2;border-radius:12px;padding:18px 22px;margin:24px 0;background:#f8fbff\"><p style=\"margin-top:0\"><strong>Table des mati\u00e8res<\/strong><\/p><ol><li><a href=\"#current-models-dates-limits\">Current Models, Dates, and Limits<\/a><\/li><li><a href=\"#current-api-pricing-consumer-access\">Current API Pricing and Consumer Access<\/a><\/li><li><a href=\"#understanding-gemini-3-pro-historical\">Understanding Gemini 3 Pro for Coding Tasks (Historical Model)<\/a><\/li><li><a href=\"#understanding-claude-4-5-historical\">Understanding Claude 4.5 for Coding Tasks (Historical Model)<\/a><\/li><li><a href=\"#frontend-ui-historical-test\">Frontend and UI Development: Historical Test<\/a><\/li><li><a href=\"#backend-business-logic-large-codebases\">Backend, logique m\u00e9tier et bases de code volumineuses<\/a><\/li><li><a href=\"#instruction-following-developer-intuition\">Instruction Following and Developer Intuition<\/a><\/li><li><a href=\"#planning-refactoring-multi-step\">Planification, refactorisation et modifications de code en plusieurs \u00e9tapes<\/a><\/li><li><a href=\"#real-world-examples-original-tests\">Real-World Examples from the Original Tests<\/a><\/li><li><a href=\"#speed-stability-hallucinations\">Vitesse, stabilit\u00e9 et hallucinations<\/a><\/li><li><a href=\"#agents-antigravity-advanced-workflows\">Agents, antigravit\u00e9 et flux de travail avanc\u00e9s<\/a><\/li><li><a href=\"#pricing-access-practical-considerations\">Prix, acc\u00e8s et consid\u00e9rations pratiques<\/a><\/li><li><a href=\"#frequently-asked-questions\">Questions fr\u00e9quemment pos\u00e9es<\/a><\/li><li><a href=\"#final-verdict-current-coding-model\">Final Verdict: Which Current Model Should You Use?<\/a><\/li><\/ol><\/nav>\n\n\n\n<h2 id=\"current-models-dates-limits\" class=\"wp-block-heading\">Current Models, Dates, and Limits<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">As of July 27, 2026, Google lists Gemini 3.1 Pro Preview as its active Pro API model. Google released it on February 19, 2026, and <a href=\"https:\/\/ai.google.dev\/gemini-api\/docs\/changelog\" target=\"_blank\" rel=\"noopener\">shut down Gemini 3 Pro Preview on March 9, 2026<\/a>. The current model accepts text, image, video, audio, and PDF inputs, with a 1,048,576-token input limit and a 65,536-token output limit. The <a href=\"https:\/\/www.glbgpt.com\/hub\/gemini-3-1-pro-coding-guide-tutorial\/\">Gemini 3.1 Pro coding guide<\/a> covers the practical workflow.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Anthropic released Claude Sonnet 5 on June 30, 2026, Claude Opus 5 on July 24, 2026, and Claude Fable 5 on June 9, 2026. Its <a href=\"https:\/\/platform.claude.com\/docs\/en\/about-claude\/models\/overview\" target=\"_blank\" rel=\"noopener\">current model overview<\/a> gives Sonnet 5, Opus 5, and Fable 5 a 1M-token context window and 128K maximum output; Haiku 4.5 has a 200K context window and 64K maximum output. The <a href=\"https:\/\/www.glbgpt.com\/hub\/claude-sonnet-5-vs-claude-opus-4-8-which-one-should-you-use-in-2026\/\">Claude Sonnet 5 comparison<\/a> adds useful cost-performance context.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Current Model<\/th><th>Official Release<\/th><th>API Status \/ ID<\/th><th>Contexte<\/th><th>Maximum Output<\/th><\/tr><\/thead><tbody><tr><td>Gemini 3.1 Pro Preview<\/td><td>February 19, 2026<\/td><td>Preview: gemini-3.1-pro-preview<\/td><td>1 048 576 jetons<\/td><td>65 536 jetons<\/td><\/tr><tr><td>Claude Sonnet 5<\/td><td>30 juin 2026<\/td><td>Active: claude-sonnet-5<\/td><td>1 million de jetons<\/td><td>128K jetons<\/td><\/tr><tr><td>Claude Opus 5<\/td><td>July 24, 2026<\/td><td>Active: claude-opus-5<\/td><td>1 million de jetons<\/td><td>128K jetons<\/td><\/tr><tr><td>Claude Fable 5<\/td><td>9 juin 2026<\/td><td>Active: claude-fable-5<\/td><td>1 million de jetons<\/td><td>128K jetons<\/td><\/tr><tr><td>Claude Ha\u00efku 4.5<\/td><td>October 15, 2025<\/td><td>Active: claude-haiku-4-5<\/td><td>200K tokens<\/td><td>64K tokens<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The exact Claude tier matters. Sonnet 5 is the everyday balance, Opus 5 is the current high-end coding model, and Fable 5 sits above Opus for the most demanding long-running agent work. The <a href=\"https:\/\/www.glbgpt.com\/hub\/claude-fable-5-pricing\/\">Claude Fable 5 pricing guide<\/a> explains why that top tier is not the default economical choice.<\/p>\n\n\n\n<h2 id=\"current-api-pricing-consumer-access\" class=\"wp-block-heading\">Current API Pricing and Consumer Access<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">API billing and consumer subscriptions are separate products. As of July 27, 2026, <a href=\"https:\/\/ai.google.dev\/gemini-api\/docs\/pricing\" target=\"_blank\" rel=\"noopener\">Google\u2019s Gemini Developer API pricing<\/a> charges Gemini 3.1 Pro Preview by prompt size, while <a href=\"https:\/\/platform.claude.com\/docs\/en\/about-claude\/pricing\" target=\"_blank\" rel=\"noopener\">Anthropic\u2019s API pricing<\/a> charges each Claude tier at its own input and output rate. All figures below are USD per million tokens.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>API Model<\/th><th>Entr\u00e9e<\/th><th>Sortie<\/th><th>Important Date or Tier Rule<\/th><\/tr><\/thead><tbody><tr><td>Gemini 3.1 Pro Preview<\/td><td>$2 up to 200K prompts; $4 above 200K<\/td><td>$12 up to 200K prompts; $18 above 200K<\/td><td>No Gemini Developer API free tier for this model; AI Studio usage is free in available regions.<\/td><\/tr><tr><td>Claude Sonnet 5<\/td><td>$2 through August 31, 2026<\/td><td>$10 through August 31, 2026<\/td><td>Moves to $3 input and $15 output on September 1, 2026.<\/td><\/tr><tr><td>Claude Opus 5<\/td><td>$5<\/td><td>$25<\/td><td>Fast mode is available at 2x base pricing.<\/td><\/tr><tr><td>Claude Fable 5<\/td><td>$10<\/td><td>$50<\/td><td>Highest widely released Claude capability tier.<\/td><\/tr><tr><td>Claude Ha\u00efku 4.5<\/td><td>$1<\/td><td>$5<\/td><td>Fastest and lowest-cost current Claude tier.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For the consumer side, Google\u2019s <a href=\"https:\/\/gemini.google\/subscriptions\/?hl=en\" target=\"_blank\" rel=\"noopener\">United States subscription page<\/a> lists Free at $0, Google AI Plus at $4.99 per month, Google AI Pro at $19.99 per month, and Google AI Ultra from $99.99 per month. Anthropic\u2019s <a href=\"https:\/\/claude.com\/pricing\" target=\"_blank\" rel=\"noopener\">Claude plan page<\/a> lists Free at $0, Pro at $20 monthly or $17 per month with $200 billed annually, and Max from $100 per month. For a single place to compare plan and API costs, use the <a href=\"https:\/\/www.glbgpt.com\/hub\/claude-ai-pricing-2026-the-ultimate-guide-to-plans-api-costs-and-limits\/\">Guide des prix de l'IA de Claude<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Consumer Route<\/th><th>Current US Price<\/th><th>Current Access Summary<\/th><\/tr><\/thead><tbody><tr><td>G\u00e9meaux Gratuit<\/td><td>$0\/mois<\/td><td>Varying access to Gemini 3.1 Pro and 15GB storage.<\/td><\/tr><tr><td>Google AI Plus<\/td><td>$ 4,99 \u20ac par mois<\/td><td>2x Free usage access and 400GB storage.<\/td><\/tr><tr><td>Google AI Pro<\/td><td>$19,99 $\/mois<\/td><td>4x Free usage access, higher Gemini 3.1 Pro access, and 5TB storage.<\/td><\/tr><tr><td>Google AI Ultra<\/td><td>$99.99\/month (5x) or $199.99\/month (20x)<\/td><td>5x or 20x AI Pro usage limits, with storage starting at 20TB.<\/td><\/tr><tr><td>Claude Free<\/td><td>$0\/mois<\/td><td>Core Claude access; usage limits apply.<\/td><\/tr><tr><td>Claude Pro<\/td><td>$20 monthly or $17\/month annually<\/td><td>More usage and models; Opus 5 is the strongest Pro model.<\/td><\/tr><tr><td>Claude Max<\/td><td>\u00c0 partir de $100 par mois<\/td><td>5x or 20x Pro usage; Opus 5 is the default model.<\/td><\/tr><tr><td>Claude Fable 5 on subscriptions<\/td><td>Usage credits after July 7, 2026<\/td><td>Globally restored July 1; included subscription access ended after July 7.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">GlobalGPT access is separate from both official consumer subscriptions and API billing. GlobalGPT has a verified <a href=\"https:\/\/www.glbgpt.com\/home\/gemini-3-1-pro?inviter=hub_content_gemini3&amp;login=1\">Gemini 3.1 Pro route<\/a>, and you can try it for free. It also exposes a verified <a href=\"https:\/\/www.glbgpt.com\/home\/claude-fable-5?inviter=hub_claude_f5&amp;login=1\">Claude Fable 5 route<\/a>. GlobalGPT account pricing and pooled quota are platform-specific, so the Google and Anthropic prices above do not replace those separate terms.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The rest of this article goes deeper into how both models actually behave in <a href=\"https:\/\/www.glbgpt.com\/hub\/how-to-use-claude-ai-for-coding\/\">real development environments<\/a>, not just in benchmarks or marketing slides.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gemini 3 Pro Preview is no longer an active Google API model. As of July 27, 2026, the current route is Gemini 3.1 Pro Preview through the paid Gemini API, Google AI Studio, and the Gemini consumer plans described above. GlobalGPT has already integrated <a href=\"https:\/\/www.glbgpt.com\/home\/gemini-3-1-pro?inviter=hub_content_gemini3&amp;login=1\">Gemini 3.1 Pro<\/a>, et vous pouvez <a href=\"https:\/\/www.glbgpt.com\/home\/gemini-3-1-pro?inviter=hub_content_gemini3&amp;login=1\">Essayez-le gratuitement<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.glbgpt.com\/home\/gemini-3-1-pro?inviter=hub_content_gemini3&amp;login=1\"><img fetchpriority=\"high\" decoding=\"async\" width=\"936\" height=\"425\" src=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2025\/11\/image-16.png\" alt=\"Historical November 2025 GlobalGPT card for Gemini 3 Pro\" class=\"wp-image-4784\" srcset=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2025\/11\/image-16.png 936w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2025\/11\/image-16-300x136.png 300w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2025\/11\/image-16-768x349.png 768w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2025\/11\/image-16-18x8.png 18w\" sizes=\"(max-width: 936px) 100vw, 936px\" \/><\/a><figcaption class=\"wp-element-caption\">Historical interface image from November 2025 showing the original Gemini 3 Pro listing. It does not represent the current Gemini 3.1 Pro model or current access terms.<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-3e41869c wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-black-color has-luminous-vivid-amber-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.glbgpt.com\/home\/gemini-3-1-pro?inviter=hub_content_gemini3&amp;login=1\" style=\"line-height:1\"><strong>D\u00e9couvrez les mod\u00e8les Gemini actuels sur GlobalGPT &gt;<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Historical test note:<\/strong> The hands-on sections below record tests originally run on Gemini 3 Pro and Claude 4.5 in 2025. They have not been re-run on Gemini 3.1 Pro, Claude Sonnet 5, Claude Opus 5, or Claude Fable 5. Use the dated tables above for a current model choice and the original sections below as historical workflow evidence.<\/p>\n\n\n\n<h2 id=\"understanding-gemini-3-pro-historical\" class=\"wp-block-heading\">Understanding Gemini 3 Pro for Coding Tasks (Historical Model)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.glbgpt.com\/hub\/gemini-3-1-pro-api-pricing-performance-the-complete-guide-for-developers\/\">Gemini 3 Pro was Google\u2019s flagship reasoning and coding model when these tests were run in November 2025<\/a>. On paper, it looked incredible: it beat top models on many benchmarks, excelled at multimodal understanding, and powered tools like Google Antigravity and the Gemini CLI. Google later replaced its API route with Gemini 3.1 Pro Preview.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans mon travail de codage, Gemini 3 Pro se distingue de plusieurs fa\u00e7ons sp\u00e9cifiques :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Il est extr\u00eamement efficace pour :\n<ul class=\"wp-block-list\">\n<li>Interpr\u00e9tation des conceptions d'interface utilisateur, des captures d'\u00e9cran ou des structures DOM.<\/li>\n\n\n\n<li>Travailler avec <a href=\"https:\/\/www.glbgpt.com\/hub\/how-much-does-claude-sonnet-4-5-cost-pricing-explained-clearly\/\">HTML\/CSS\/JavaScript<\/a> et les frameworks front-end.<\/li>\n\n\n\n<li>Agir en tant qu\u201c\u201d agent \u00bb qui analyse plusieurs fichiers, sugg\u00e8re des modifications de bout en bout et navigue dans une base de code.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Il s'int\u00e8gre parfaitement avec :\n<ul class=\"wp-block-list\">\n<li>Gemini CLI (pour l'ex\u00e9cution de code et les workflows dans le terminal).<\/li>\n\n\n\n<li>Antigravit\u00e9 (pour le codage agent-first o\u00f9 il peut toucher l'\u00e9diteur, le terminal et le navigateur).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Cependant, j'ai \u00e9galement remarqu\u00e9 certaines faiblesses r\u00e9currentes :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Il arrive souvent que :\n<ul class=\"wp-block-list\">\n<li>Luttes avec <a href=\"https:\/\/www.glbgpt.com\/hub\/how-much-does-claude-sonnet-4-5-cost-pricing-explained-clearly\/\">suivi des instructions<\/a>g, sauf si vous \u00eates tr\u00e8s pr\u00e9cis.<\/li>\n\n\n\n<li>Semble trop confiant, affirmant qu'une solution a fonctionn\u00e9 alors que ce n'\u00e9tait clairement pas le cas.<\/li>\n\n\n\n<li>Surcharge lors de t\u00e2ches longues, s'interrompt en cours d'ex\u00e9cution ou ralentit.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">En d'autres termes, Gemini 3 Pro donne l'impression d'\u00eatre un ing\u00e9nieur senior tr\u00e8s comp\u00e9tent, mais parfois impr\u00e9visible : brillant dans certaines t\u00e2ches, mais n\u00e9cessitant une supervision \u00e9troite.<\/p>\n\n\n\n<h2 id=\"understanding-claude-4-5-historical\" class=\"wp-block-heading\">Understanding Claude 4.5 for Coding Tasks (Historical Model)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Claude 4.5 (en particulier la variante \u201c Sonnet \u201d) s'est forg\u00e9 une r\u00e9putation comme l'un des mod\u00e8les de codage les plus \u00ab intuitifs \u00bb du march\u00e9. Si les tests de performance montrent que diff\u00e9rents mod\u00e8les s'imposent dans diff\u00e9rentes cat\u00e9gories, ce qui suscite souvent des d\u00e9bats tels que le <a href=\"https:\/\/www.glbgpt.com\/hub\/claude-opus-4-6-vs-gpt-5-3\/\" target=\"_blank\" rel=\"noreferrer noopener\">Claude Opus 4.6 vs GPT-5.3<\/a> Claude 4.5 brille constamment lorsqu'on examine les flux de travail des d\u00e9veloppeurs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D'apr\u00e8s mon exp\u00e9rience :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Claude 4.5 est particuli\u00e8rement performant dans les domaines suivants :\n<ul class=\"wp-block-list\">\n<li>Compr\u00e9hension des bases de code complexes, tant front-end que back-end.<\/li>\n\n\n\n<li>Planification et raisonnement \u00e0 travers des changements en plusieurs \u00e9tapes.<\/li>\n\n\n\n<li>Poser les bonnes questions pour clarifier les choses avant d'\u00e9crire le code.<\/li>\n\n\n\n<li>Produire un r\u00e9sultat lisible, structur\u00e9 et coh\u00e9rent sur le plan logique. <\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>On ressent :\n<ul class=\"wp-block-list\">\n<li>Plus \u201c humain \u201d dans l'intuition.<\/li>\n\n\n\n<li>Meilleur pour d\u00e9tecter les cas limites ou les failles dans un plan.<\/li>\n\n\n\n<li>Plus susceptible de dire \u201c c'est impossible \u201d ou \u201c je ne sais pas \u201d que d'avoir des hallucinations.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Les utilisateurs qui envisagent d\u00e9j\u00e0 l'avenir de la <a href=\"https:\/\/www.glbgpt.com\/hub\/claude-opus-4-6-vs-claude-opus-4-5\/\" target=\"_blank\" rel=\"noreferrer noopener\">Claude Opus 4.6 vs Claude Opus 4.5<\/a> comparison often cite this \u201cthoughtful\u201d nature as the key differentiator.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le m\u00eame temps, Claude 4.5 pr\u00e9sente quelques particularit\u00e9s :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cela peut \u00eatre :\n<ul class=\"wp-block-list\">\n<li>Parfois trop ind\u00e9pendant, il g\u00e9n\u00e8re des documents suppl\u00e9mentaires tels que des fichiers Markdown m\u00eame lorsqu'on lui demande de ne pas le faire.<\/li>\n\n\n\n<li>Verbeux, donnant de longues explications et r\u00e9sum\u00e9s.<\/li>\n\n\n\n<li>Limit\u00e9 par la longueur du contexte et les limites d'int\u00e9gration de certains outils.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dans l'ensemble, Claude 4.5 se comporte comme un ing\u00e9nieur senior prudent et r\u00e9fl\u00e9chi : il peut \u00eatre plus lent ou fournir plus d'explications que vous ne le souhaitez, mais il \u201c fait g\u00e9n\u00e9ralement les choses correctement \u201d la plupart du temps.<\/p>\n\n\n\n<h2 id=\"frontend-ui-historical-test\" class=\"wp-block-heading\">Frontend and UI Development: Gemini 3 Pro vs Claude 4.5 (Historical Test)<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"553\" height=\"535\" src=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2025\/11\/image-31.png\" alt=\"Historical November 2025 community post comparing Gemini 3 Pro and Claude Sonnet 4.5\" class=\"wp-image-4864\" srcset=\"https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2025\/11\/image-31.png 553w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2025\/11\/image-31-300x290.png 300w, https:\/\/wp.glbgpt.com\/wp-content\/uploads\/2025\/11\/image-31-12x12.png 12w\" sizes=\"(max-width: 553px) 100vw, 553px\" \/><figcaption class=\"wp-element-caption\">Historical community post captured in November 2025. It is not evidence of a current Gemini 3.1 Pro vs Claude 5 retest.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Dans les t\u00e2ches frontales, visuelles et n\u00e9cessitant une interface utilisateur riche, Gemini 3 Pro pr\u00e9sente un r\u00e9el avantage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">J'ai constat\u00e9 cette diff\u00e9rence tr\u00e8s clairement dans des t\u00e2ches telles que :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Convertir des maquettes de type Figma en HTML\/CSS.<\/li>\n\n\n\n<li>Mise en \u0153uvre des \u00e9tats de survol et des d\u00e9tails interactifs de l'interface utilisateur.<\/li>\n\n\n\n<li>Cr\u00e9ation d'animations Web interactives avec Canvas ou WebGL.<\/li>\n\n\n\n<li>Alignement des mises en page en fonction des sp\u00e9cifications visuelles ou des captures d'\u00e9cran.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Exemple tir\u00e9 de mon propre travail :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lorsque j'ai fourni une maquette de conception \u00e0 Gemini 3 Pro et lui ai demand\u00e9 de la transformer en une sc\u00e8ne HTML\/JavaScript \u00e0 tra\u00e7age de rayons d'une seule page, dans un style r\u00e9tro inspir\u00e9 des d\u00e9mos des ann\u00e9es 90 :\n<ul class=\"wp-block-list\">\n<li>Gemini 3 Pro a produit un r\u00e9sultat fonctionnel et visuellement impressionnant en environ une heure d'it\u00e9ration (y compris la g\u00e9n\u00e9ration d'actifs).<\/li>\n\n\n\n<li>L'animation \u00e9tait non seulement compl\u00e8te, mais elle correspondait aussi \u00e0 ce que j'avais en t\u00eate.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">En revanche, lorsque j'ai essay\u00e9 plus t\u00f4t de cr\u00e9er une animation interactive similaire avec d'autres mod\u00e8les \u00e0 l'aide d'outils tels que Cursor, j'ai pass\u00e9 tout un week-end sans obtenir de r\u00e9sultat satisfaisant. La diff\u00e9rence avec Gemini 3 Pro \u00e9tait spectaculaire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans d'autres tests d'interface utilisateur :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gemini 3 Pro :\n<ul class=\"wp-block-list\">\n<li>G\u00e9n\u00e9ralement, le DOM et la structure visuelle ont \u00e9t\u00e9 suivis de mani\u00e8re plus pr\u00e9cise.<\/li>\n\n\n\n<li>Meilleure gestion des interactions r\u00e9guli\u00e8res avec les images et le DOM.<\/li>\n\n\n\n<li>Je me suis rapproch\u00e9 plus souvent du \u201c premier essai \u201d de conception visuelle.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Claude 4.5 :\n<ul class=\"wp-block-list\">\n<li>Toujours aussi performant pour la logique UI, mais parfois :\n<ul class=\"wp-block-list\">\n<li>Explique trop.<\/li>\n\n\n\n<li>Cr\u00e9e des r\u00e9sum\u00e9s ou de la documentation suppl\u00e9mentaires.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Dans certaines int\u00e9grations, par exemple lorsque l'outil envoie uniquement une description de l'image au lieu de l'image brute, ses performances visuelles diminuent consid\u00e9rablement.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Si votre travail quotidien est intense en termes de :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Impl\u00e9mentation de l'interface utilisateur,<\/li>\n\n\n\n<li>transformer les designs en mises en page au pixel pr\u00e8s,<\/li>\n\n\n\n<li>cr\u00e9er des exp\u00e9riences interactives,<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">then Gemini 3 Pro felt like the better specialist in the original 2025 tests.<\/p>\n\n\n\n<h2 id=\"backend-business-logic-large-codebases\" class=\"wp-block-heading\">Backend, logique m\u00e9tier et bases de code volumineuses<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En ce qui concerne le code backend, la logique m\u00e9tier complexe et les bases de code volumineuses, la situation est diff\u00e9rente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans mes tests et mes flux de travail :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Claude 4.5 ressent g\u00e9n\u00e9ralement :\n<ul class=\"wp-block-list\">\n<li>Plus fiable pour comprendre les architectures complexes.<\/li>\n\n\n\n<li>Meilleur pour maintenir les invariants et les mod\u00e8les de donn\u00e9es.<\/li>\n\n\n\n<li>Moins susceptible d'halluciner des fonctions ou des classes qui n'existent pas.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Un exemple concret que j'ai observ\u00e9 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dans un projet de moteur d'analyse avec des mod\u00e8les Python et un backend Java :\n<ul class=\"wp-block-list\">\n<li>M\u00eame avec un fichier README expliquant que les mod\u00e8les doivent provenir du code Python, Gemini 3 Pro a parfois hallucin\u00e9 des mod\u00e8les c\u00f4t\u00e9 Java au lieu de les mapper \u00e0 la source Python.<\/li>\n\n\n\n<li>Cela sugg\u00e9rait qu'il s'agissait encore principalement d'une comparaison de mod\u00e8les \u00e0 partir d'exemples Java plut\u00f4t que de la construction d'un v\u00e9ritable mod\u00e8le mental couvrant plusieurs langages.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">En revanche :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Claude 4.5 a tendance \u00e0 :\n<ul class=\"wp-block-list\">\n<li>Respectez davantage les fronti\u00e8res linguistiques et le flux de donn\u00e9es.<\/li>\n\n\n\n<li>Posez des questions pour clarifier les points ambigus de l'architecture.<\/li>\n\n\n\n<li>Restez fid\u00e8le aux mod\u00e8les existants dans la base de code.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Les d\u00e9veloppeurs qui pr\u00e9f\u00e8rent Claude 4.5 pour le backend le d\u00e9crivent souvent comme ayant une \u201cmeilleure intuition\u201d de la logique. Si vos principales charges de travail sont la conception d'API et les pipelines de traitement de donn\u00e9es complexes, Claude 4.5 est le choix principal le plus s\u00fbr, en particulier lorsque les \u00e9quipes d'entreprise \u00e9valuent le syst\u00e8me de gestion de l'API. <a href=\"https:\/\/www.glbgpt.com\/hub\/claude-opus-4-6-api-pricing\/\" target=\"_blank\" rel=\"noreferrer noopener\">Prix de l'API Claude Opus 4.6<\/a> pour une int\u00e9gration \u00e0 grande \u00e9chelle :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Il a une \u201c meilleure intuition \u201d en mati\u00e8re de logique.<\/li>\n\n\n\n<li>Il est \u201c bien en avance \u201d sur certains autres mod\u00e8les dans la compr\u00e9hension de ce que le code est cens\u00e9 faire.<\/li>\n\n\n\n<li>Cela semble tout simplement plus fiable pour les t\u00e2ches backend s\u00e9rieuses.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Si vos principales charges de travail sont les suivantes :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Conception et mise en \u0153uvre d'API,<\/li>\n\n\n\n<li>pipelines complexes de traitement des donn\u00e9es,<\/li>\n\n\n\n<li>coordination interservices,<\/li>\n\n\n\n<li>syst\u00e8mes backend \u00e0 longue dur\u00e9e de vie,<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">alors Claude 4.5 est, d'apr\u00e8s mon exp\u00e9rience, le choix principal le plus s\u00fbr.<\/p>\n\n\n\n<h2 id=\"instruction-following-developer-intuition\" class=\"wp-block-heading\">Suivi des instructions et \u201c intuition du d\u00e9veloppeur \u201d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un aspect essentiel du codage avec l'IA est la capacit\u00e9 du mod\u00e8le \u00e0 suivre les instructions et \u00e0 se comporter comme un bon co\u00e9quipier.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voici ce que j'ai toujours remarqu\u00e9 :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gemini 3 Pro :\n<ul class=\"wp-block-list\">\n<li>A souvent du mal \u00e0 suivre des instructions strictes.<\/li>\n\n\n\n<li>Parfois, il ignore la consigne \u201c ne pas encore \u00e9crire de code, seulement \u00e9tudier \u201d et commence quand m\u00eame \u00e0 coder.<\/li>\n\n\n\n<li>Est plus susceptible de \u201c faire ce qu'il veut \u201d plut\u00f4t que de respecter strictement les contraintes que vous sp\u00e9cifiez.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Claude 4.5 :\n<ul class=\"wp-block-list\">\n<li>Respecte g\u00e9n\u00e9ralement mieux les modes et les instructions.<\/li>\n\n\n\n<li>Fonctionne bien avec des invites telles que :\n<ul class=\"wp-block-list\">\n<li>\u201c Lisez ce code source et proposez un plan. \u201d<\/li>\n\n\n\n<li>\u201c Contentez-vous d'analyser et de poser des questions pour clarifier certains points, ne modifiez pas encore les fichiers. \u201d<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Semble plus en phase avec l'intention de l'utilisateur, en particulier lors des phases de planification et de r\u00e9vision.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dans un sc\u00e9nario r\u00e9current :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lorsque j'ai explicitement demand\u00e9 :\n<ul class=\"wp-block-list\">\n<li>\u201c Lisez les r\u00e8gles frontales. N'\u00e9crivez pas encore de code. Contentez-vous d'\u00e9tudier. \u201d<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Claude 4.5 s'est comport\u00e9 comme pr\u00e9vu : il a analys\u00e9, pos\u00e9 des questions et attendu.<\/li>\n\n\n\n<li>Gemini 3 Pro avait tendance \u00e0 commencer \u00e0 \u00e9crire du code malgr\u00e9 tout, ignorant la partie \u201c pas encore de code \u201d.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous appr\u00e9ciez :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Contr\u00f4le strict du moment o\u00f9 le code est \u00e9crit,<\/li>\n\n\n\n<li>Une s\u00e9paration claire entre \u201c planifier \u201d et \u201c ex\u00e9cuter \u201d,\u201d<\/li>\n\n\n\n<li>Un mod\u00e8le qui semble \u201c comprendre ce que vous voulez dire \u201d.\u201d<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">alors Claude 4.5 semble plus intuitif et moins frustrant.<\/p>\n\n\n\n<h2 id=\"planning-refactoring-multi-step\" class=\"wp-block-heading\">Planification, refactorisation et modifications de code en plusieurs \u00e9tapes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pour les refactorisations plus importantes ou les changements en plusieurs \u00e9tapes, j'ai d\u00e9sormais tendance \u00e0 combiner les deux mod\u00e8les.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mon flux de travail type se pr\u00e9sente comme suit :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Utilisez Claude 4.5 pour :\n<ul class=\"wp-block-list\">\n<li>Analyser le code source.<\/li>\n\n\n\n<li>\u00c9laborez un plan g\u00e9n\u00e9ral pour le changement.<\/li>\n\n\n\n<li>Identifier les risques et les cas limites d\u00e9licats.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Ensuite, utilisez un autre mod\u00e8le (comme GPT 5.1 Codex ou Gemini 3 Pro) pour :\n<ul class=\"wp-block-list\">\n<li>Critiquez et affinez le plan.<\/li>\n\n\n\n<li>Mettre en \u0153uvre les derni\u00e8res \u00e9tapes.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Sur la base d'exp\u00e9riences r\u00e9p\u00e9t\u00e9es :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Claude 4.5 :\n<ul class=\"wp-block-list\">\n<li>Excellent en mati\u00e8re de planification.<\/li>\n\n\n\n<li>D\u00e9tecte souvent les failles logiques dans les plans g\u00e9n\u00e9r\u00e9s par d'autres mod\u00e8les.<\/li>\n\n\n\n<li>Produit des instructions structur\u00e9es, \u00e9tape par \u00e9tape, faciles \u00e0 suivre ou \u00e0 automatiser.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Gemini 3 Pro :\n<ul class=\"wp-block-list\">\n<li>Peut agir en tant qu'agent pour ex\u00e9cuter des plans en plusieurs \u00e9tapes.<\/li>\n\n\n\n<li>Navigue dans plusieurs fichiers et contextes.<\/li>\n\n\n\n<li>Mais parfois :\n<ul class=\"wp-block-list\">\n<li>Surestime son succ\u00e8s.<\/li>\n\n\n\n<li>Signale que le probl\u00e8me a \u00e9t\u00e9 \u201c corrig\u00e9 \u201d alors que le bug est toujours pr\u00e9sent.<\/li>\n\n\n\n<li>Se bloque ou ralentit sous une charge importante.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous avez besoin d'une IA qui :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Con\u00e7oit le changement,<\/li>\n\n\n\n<li>Examine un plan,<\/li>\n\n\n\n<li>R\u00e9fl\u00e9chit \u00e0 l'architecture,<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Claude 4.5 a l'avantage. Gemini 3 Pro devient plus int\u00e9ressant par la suite, lorsque vous souhaitez exp\u00e9rimenter une ex\u00e9cution plus autonome ou un comportement de type agent.<\/p>\n\n\n\n<h2 id=\"real-world-examples-original-tests\" class=\"wp-block-heading\">Real-World Examples from My Experience (Original Tests)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Quelques sc\u00e9narios concrets illustrent comment les deux se comportent diff\u00e9remment dans la pratique.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Animation Web interactive<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Avec Gemini 3 Pro :\n<ul class=\"wp-block-list\">\n<li>J'ai cr\u00e9\u00e9 une animation web interactive complexe \u00e0 partir de ressources en environ une heure.<\/li>\n\n\n\n<li>Il g\u00e9rait bien la mise en page, la logique d'animation et les d\u00e9tails visuels.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Avec d'autres mod\u00e8les :\n<ul class=\"wp-block-list\">\n<li>J'ai essay\u00e9 de cr\u00e9er des animations similaires pendant tout un week-end, mais je n'ai jamais obtenu de r\u00e9sultat satisfaisant.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Verdict : Gemini 3 Pro remporte clairement la palme pour les travaux d'animation cr\u00e9atifs en front-end.<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Refactoring d'un scraper WebSocket<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Avec Gemini 3 Pro :\n<ul class=\"wp-block-list\">\n<li>Elle a affirm\u00e9 avoir r\u00e9ussi \u00e0 repenser et \u00e0 r\u00e9parer le racloir.<\/li>\n\n\n\n<li>En r\u00e9alit\u00e9, la mise en \u0153uvre n'a pas fonctionn\u00e9 et elle a refus\u00e9 de reconna\u00eetre les probl\u00e8mes.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Avec GPT 5.1 Codex :\n<ul class=\"wp-block-list\">\n<li>Cela a pris quelques heures, mais finalement, nous avons r\u00e9ussi \u00e0 r\u00e9troconcevoir et \u00e0 r\u00e9parer correctement le scraper.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Avec Claude 4.5 :\n<ul class=\"wp-block-list\">\n<li>Il a reconnu ses limites et soulign\u00e9 la difficult\u00e9, mais a contribu\u00e9 \u00e0 la planification et \u00e0 l'examen.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Verdict : Gemini 3 Pro semblait trop confiant et moins fiable ; Claude 4.5 et Codex se sont r\u00e9v\u00e9l\u00e9s plus fiables pour cette t\u00e2che exigeante en termes de backend et de logique.<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>Compr\u00e9hension d'une base de code volumineuse<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lors de l'analyse et de la refonte de certaines parties d'un projet de grande envergure :\n<ul class=\"wp-block-list\">\n<li>Gemini 3 Pro \u00e9tait parfois surcharg\u00e9 ou interrompu en cours de t\u00e2che.<\/li>\n\n\n\n<li>Claude 4.5 est rest\u00e9 plus stable et a produit des suggestions plus coh\u00e9rentes et pr\u00eates \u00e0 \u00eatre refactoris\u00e9es.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 id=\"speed-stability-hallucinations\" class=\"wp-block-heading\">Vitesse, stabilit\u00e9 et hallucinations<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La rapidit\u00e9 et la fiabilit\u00e9 sont tout aussi importantes que l'intelligence brute.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D'apr\u00e8s mon utilisation :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gemini 3 Pro :\n<ul class=\"wp-block-list\">\n<li>Peut \u00eatre lent, en particulier sous une charge importante.<\/li>\n\n\n\n<li>Parfois, il est \u201c surcharg\u00e9 \u201d au milieu d'une t\u00e2che et s'arr\u00eate.<\/li>\n\n\n\n<li>Pr\u00e9sente un taux plus \u00e9lev\u00e9 d'hallucinations, en particulier :\n<ul class=\"wp-block-list\">\n<li>Pr\u00e9tendre avoir r\u00e9ussi alors que quelque chose \u00e9choue encore.<\/li>\n\n\n\n<li>Inventer des structures \u00e0 travers les langues.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Claude 4.5 :\n<ul class=\"wp-block-list\">\n<li>G\u00e9n\u00e9ralement plus stable.<\/li>\n\n\n\n<li>A tendance \u00e0 avoir moins d'hallucinations et est plus dispos\u00e9 \u00e0 dire \u201c Je ne peux pas faire \u00e7a \u201d.\u201d<\/li>\n\n\n\n<li>Produit parfois trop de documentation, mais vous pouvez g\u00e9n\u00e9ralement g\u00e9rer cela via des invites.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous travaillez sur un code critique o\u00f9 la pr\u00e9cision prime sur la cr\u00e9ativit\u00e9 brute :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In the original 2025 tests, Claude 4.5 was the safer bet.<\/li>\n\n\n\n<li>Gemini 3 Pro est passionnant, mais je consid\u00e8re ses r\u00e9sultats avec plus de scepticisme.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"agents-antigravity-advanced-workflows\" class=\"wp-block-heading\">Agents, antigravit\u00e9 et flux de travail avanc\u00e9s<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un endroit o\u00f9 <a href=\"https:\/\/www.glbgpt.com\/hub\/what-is-google-antigravity\/\">Gemini 3 Pro brille dans&nbsp;<strong>flux de travail agentique<\/strong><\/a>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Avec Antigravity et Gemini 3 Pro :\n<ul class=\"wp-block-list\">\n<li>Les agents peuvent :\n<ul class=\"wp-block-list\">\n<li>Acc\u00e9dez \u00e0 l'\u00e9diteur, au terminal et au navigateur.<\/li>\n\n\n\n<li>Planifier et ex\u00e9cuter des t\u00e2ches de mani\u00e8re autonome.<\/li>\n\n\n\n<li>G\u00e9n\u00e9rer des artefacts tels que des plans, des listes de t\u00e2ches, des captures d'\u00e9cran et des enregistrements.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Cela ressemble \u00e0 un \u201c centre de contr\u00f4le \u201d pour plusieurs travailleurs IA.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Cependant, dans la pratique :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Je l'ai vu :\n<ul class=\"wp-block-list\">\n<li>Rester bloqu\u00e9 dans des boucles lorsque l'on rencontre des bugs inattendus.<\/li>\n\n\n\n<li>Mauvaise gestion de certains cas particuliers.<\/li>\n\n\n\n<li>N\u00e9cessite toujours une supervision humaine pour rester sur la bonne voie.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Claude 4.5 prend \u00e9galement en charge les configurations de type agent, mais la plateforme Antigravity de Google est clairement con\u00e7ue autour de Gemini 3, et non de Claude.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si vous \u00eates int\u00e9ress\u00e9 par :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Orchestration multi-agents,<\/li>\n\n\n\n<li>Ex\u00e9cution automatis\u00e9e des t\u00e2ches,<\/li>\n\n\n\n<li>Agents qui fonctionnent sur plusieurs outils,<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">alors Gemini 3 Pro + Antigravity vaut la peine d'\u00eatre explor\u00e9. Ne vous attendez toutefois pas encore \u00e0 une automatisation enti\u00e8rement automatique et pr\u00eate pour la production.<\/p>\n\n\n\n<h2 id=\"pricing-access-practical-considerations\" class=\"wp-block-heading\">Prix, acc\u00e8s et consid\u00e9rations pratiques<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When choosing among Gemini 3.1 Pro Preview, Claude Sonnet 5, Claude Opus 5, and Claude Fable 5 for coding, compare three separate cost layers: official consumer plans, official API token billing, and GlobalGPT\u2019s own platform access. The current figures are in the dated tables above; the <a href=\"https:\/\/www.glbgpt.com\/hub\/gemini-3-1-pro-cost-complete-2026-pricing-guide\/\">Gemini 3.1 Pro cost guide<\/a> adds worked examples.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Acc\u00e8s :<\/strong>\n<ul class=\"wp-block-list\">\n<li>Gemini 3.1 Pro Preview is available through Google AI Studio and the paid Gemini API, while Gemini consumer plans provide varying or higher 3.1 Pro access.<\/li>\n\n\n\n<li>Claude Sonnet 5 and Opus 5 are available through Anthropic\u2019s API and consumer products; Fable 5 uses API billing or usage credits after July 7, 2026.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Co\u00fbt :<\/strong>\n<ul class=\"wp-block-list\">\n<li>Sonnet 5 is the lowest-cost current frontier coding choice during its introductory $2\/$10 API window.<\/li>\n\n\n\n<li>Opus 5 costs $5\/$25 per million input\/output tokens, while Fable 5 costs $10\/$50.<\/li>\n\n\n\n<li>Gemini 3.1 Pro costs more above 200K-token prompts, so long-context workload shape matters.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Int\u00e9gration des outils :<\/strong>\n<ul class=\"wp-block-list\">\n<li>If you spend most of your time in an IDE, CLI, or agent runner, image handling, tool permissions, context packing, and execution feedback can matter as much as the base model.<\/li>\n\n\n\n<li>Examinez le <a href=\"https:\/\/www.glbgpt.com\/hub\/gemini-3-1-pro-limits-2026-the-ultimate-guide-to-bypassing-rate-limits-quotas\/\">Gemini 3.1 Pro rate limits and quotas<\/a> before designing an automated workflow.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 id=\"frequently-asked-questions\" class=\"wp-block-heading\">Questions fr\u00e9quemment pos\u00e9es<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">What is the current replacement for Gemini 3 Pro?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gemini 3.1 Pro Preview is Google\u2019s active Pro API model as of July 27, 2026. Google shut down Gemini 3 Pro Preview on March 9, 2026.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Which current Claude model is best for everyday coding?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Claude Sonnet 5 is the practical everyday default because Anthropic positions it as the best balance of speed and intelligence, with a 1M-token context window.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">When should I choose Claude Opus 5 instead?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Choose Claude Opus 5 for complex agentic coding, enterprise work, and long-horizon tasks where capability matters more than the higher $5\/$25 API price.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How large are the current context and output limits?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gemini 3.1 Pro Preview supports 1,048,576 input tokens and 65,536 output tokens. Sonnet 5, Opus 5, and Fable 5 support 1M context and 128K output.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How do the current API prices compare?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gemini 3.1 Pro starts at $2 input and $12 output per million tokens. Sonnet 5 is $2\/$10 through August 31, Opus 5 is $5\/$25, and Fable 5 is $10\/$50.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can I use current Gemini and Claude models on GlobalGPT?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">GlobalGPT has verified routes for Gemini 3.1 Pro and Claude Fable 5. Its account pricing and pooled quota are separate from Google and Anthropic subscriptions and APIs.<\/p>\n\n\n\n<h2 id=\"final-verdict-current-coding-model\" class=\"wp-block-heading\">Final Verdict: Which Current Model Should You Use for Coding?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For a current coding default, choose Claude Sonnet 5. Move to Claude Opus 5 when complex agentic coding or enterprise-scale reasoning justifies the higher price. Choose Gemini 3.1 Pro Preview when multimodal inputs, visual UI work, or Google\u2019s agent stack is central to the job. Fable 5 is the capability-first option for the longest agent tasks, but its cost and usage-credit access make it a specialist choice.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you want to compare multiple current routes without separate subscriptions, <a href=\"https:\/\/www.glbgpt.com\/home?inviter=hub_popup&amp;login=1\">try GlobalGPT now<\/a>. Keep the original test record below as evidence about workflow patterns, not as a claim that the newest models produced the same results.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What the original 2025 tests showed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Alors, Gemini 3 Pro ou Claude 4.5 : lequel est le meilleur pour le codage ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bas\u00e9 sur une utilisation r\u00e9elle dans le cadre de plusieurs projets, et pas seulement sur des tests de performance :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Choisissez Claude 4.5 si vous :\n<ul class=\"wp-block-list\">\n<li>Besoin d'un assistant de codage fiable et intuitif.<\/li>\n\n\n\n<li>Effectuez des t\u00e2ches s\u00e9rieuses li\u00e9es au backend, \u00e0 la logique m\u00e9tier ou \u00e0 des refactorisations complexes.<\/li>\n\n\n\n<li>Accorder une grande importance au respect des instructions et au raisonnement.<\/li>\n\n\n\n<li>Vous voulez un mod\u00e8le qui donne l'impression d'\u00eatre un ing\u00e9nieur senior minutieux.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Choisissez Gemini 3 Pro si vous :\n<ul class=\"wp-block-list\">\n<li>Concentrez-vous principalement sur l'interface utilisateur, les animations et le travail front-end ax\u00e9 sur le visuel.<\/li>\n\n\n\n<li>N\u00e9cessite de solides comp\u00e9tences multimodales (images, DOM, captures d'\u00e9cran).<\/li>\n\n\n\n<li>Vous souhaitez tester les workflows d'agent, Antigravity ou Gemini CLI.<\/li>\n\n\n\n<li>Sont \u00e0 l'aise pour superviser un assistant plus puissant mais moins pr\u00e9visible.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">My own setup during the original 2025 tests looked like this:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Utiliser Claude 4.5 comme mod\u00e8le de \u201c r\u00e9flexion \u201d et de planification par d\u00e9faut.<\/li>\n\n\n\n<li>Utilisez Gemini 3 Pro lorsque :\n<ul class=\"wp-block-list\">\n<li>Je travaille sur des t\u00e2ches avanc\u00e9es li\u00e9es \u00e0 l'interface utilisateur et \u00e0 l'animation.<\/li>\n\n\n\n<li>J'ai besoin d'interpr\u00e9ter directement les conceptions visuelles.<\/li>\n\n\n\n<li>Je souhaite tester davantage de workflows avec des agents autonomes.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Au final, le v\u00e9ritable pouvoir ne vient pas du fait de choisir un mod\u00e8le pour toujours, mais de savoir quand utiliser chacun d'entre eux et comment les combiner dans un flux de travail qui tire parti de leurs points forts.<\/p>\n\n\n\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the current replacement for Gemini 3 Pro?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Gemini 3.1 Pro Preview is Google\\u2019s active Pro API model as of July 27, 2026. Google shut down Gemini 3 Pro Preview on March 9, 2026.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Which current Claude model is best for everyday coding?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Claude Sonnet 5 is the practical everyday default because Anthropic positions it as the best balance of speed and intelligence, with a 1M-token context window.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"When should I choose Claude Opus 5 instead?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Choose Claude Opus 5 for complex agentic coding, enterprise work, and long-horizon tasks where capability matters more than the higher $5\\\/$25 API price.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How large are the current context and output limits?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Gemini 3.1 Pro Preview supports 1,048,576 input tokens and 65,536 output tokens. Sonnet 5, Opus 5, and Fable 5 support 1M context and 128K output.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do the current API prices compare?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Gemini 3.1 Pro starts at $2 input and $12 output per million tokens. Sonnet 5 is $2\\\/$10 through August 31, Opus 5 is $5\\\/$25, and Fable 5 is $10\\\/$50.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I use current Gemini and Claude models on GlobalGPT?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"GlobalGPT has verified routes for Gemini 3.1 Pro and Claude Fable 5. Its account pricing and pooled quota are separate from Google and Anthropic subscriptions and APIs.\"\n            }\n        }\n    ]\n}<\/script>","protected":false},"excerpt":{"rendered":"<p>Quick answer: As of July 27, 2026, the current comparison is no longer Gemini 3 Pro vs Claude 4.5. Google\u2019s active Pro API model is Gemini 3.1 Pro Preview, while Anthropic\u2019s current coding choices are Claude Sonnet 5 for the best speed-and-intelligence balance and Claude Opus 5 for complex agentic coding. For most everyday development, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":4865,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"Gemini 3 Pro vs Claude 4.5 for Coding","_seopress_titles_desc":"Gemini 3 Pro vs Claude 4.5 \u2013 which is better for coding? In this hands-on comparison, I share experience using both models to help developers choose the right AI.","_seopress_robots_index":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-4863","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-chat"],"_links":{"self":[{"href":"https:\/\/wp.glbgpt.com\/fr\/wp-json\/wp\/v2\/posts\/4863","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.glbgpt.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.glbgpt.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.glbgpt.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.glbgpt.com\/fr\/wp-json\/wp\/v2\/comments?post=4863"}],"version-history":[{"count":5,"href":"https:\/\/wp.glbgpt.com\/fr\/wp-json\/wp\/v2\/posts\/4863\/revisions"}],"predecessor-version":[{"id":17245,"href":"https:\/\/wp.glbgpt.com\/fr\/wp-json\/wp\/v2\/posts\/4863\/revisions\/17245"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wp.glbgpt.com\/fr\/wp-json\/wp\/v2\/media\/4865"}],"wp:attachment":[{"href":"https:\/\/wp.glbgpt.com\/fr\/wp-json\/wp\/v2\/media?parent=4863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.glbgpt.com\/fr\/wp-json\/wp\/v2\/categories?post=4863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.glbgpt.com\/fr\/wp-json\/wp\/v2\/tags?post=4863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}