{"id":13661,"date":"2026-05-22T21:00:34","date_gmt":"2026-05-22T21:00:34","guid":{"rendered":"https:\/\/comparateur-ia.io\/outils-ia\/capacity\/"},"modified":"2026-05-22T21:00:34","modified_gmt":"2026-05-22T21:00:34","slug":"capacity","status":"publish","type":"outil_ia","link":"https:\/\/comparateur-ia.io\/en\/outils-ia\/capacity\/","title":{"rendered":"Capacity"},"content":{"rendered":"\n\n<p class=\"tool-description\">Capacity.so is an __AI web application builder__ that adopts a unique __spec-first methodology__: before generating code, it asks the user to define a complete project brief and precise user stories. This allows its agentic engine to produce clean __TypeScript\/Next.js\/Supabase__ code aligned with business logic. Unlike other vibe-coding tools, __the code is entirely yours__: GitHub export or direct download with no vendor lock-in. Plans starting at __$25\/month__ for 100 credits, with options up to $299\/month for enterprises.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">What is Capacity?<\/h2>\n\n\n\n\n\n<p>Capacity.so is an AI-powered full-stack web application builder. Its distinguishing feature is its spec-first methodology: before generating any code, the platform guides you through writing a complete project brief and granular user stories. Its agentic engine then processes these specifications to generate coherent TypeScript code, aligned with your business logic, and immediately deployable.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Main Features<\/h2>\n\n\n\n\n\n<p>Capacity.so generates complete applications in TypeScript with Next.js for the frontend, Supabase for the backend and database, Tailwind CSS for design, and tRPC or REST APIs. Agentic Mode orchestrates the entire application generation in one session. Full code export to GitHub or direct download guarantees complete intellectual property ownership. Higher plans include custom domains, dedicated support, and early access to new features.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Use Cases<\/h2>\n\n\n\n\n\n<p>Capacity.so excels at rapidly scaffolding MVPs (Minimum Viable Products) for startups or freelance projects. Agencies use it to produce client prototypes in record time. Solo developers accelerate the initial phase of their personal or professional projects. Non-technical founders with a clear product vision can delegate the initial code generation while maintaining control over the result.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Advantages<\/h2>\n\n\n\n\n\n<p>Capacity.so drastically reduces the time to scaffold a complete web application, from several days to a few hours. The quality of generated code, thanks to the spec-first approach, is superior to most vibe-coding tools. No vendor lock-in preserves users&#8217; technical freedom. The credit system lets you pay only for what you use.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Pricing<\/h2>\n\n\n\n\n\n<p>Capacity.so offers four plans: Starter at $25\/month (100 credits), Growth at $69\/month (250 credits, popular), Professional at $129\/month (500 credits), and Enterprise at $299\/month (1,000 credits). Each plan includes full Agentic Mode access. Additional credits can be purchased separately.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n\n\n<p>Capacity.so is one of the most serious code generation AI tools thanks to its spec-first approach. For developers and founders wanting to scaffold quickly without sacrificing quality, it&#8217;s an excellent choice. Total code ownership makes it a trusted platform for professional projects.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Strengths<\/h2>\n\n\n\n\n\n<ul class=\"wp-block-list\">\n\n<li><strong>Spec-first methodology<\/strong>: specification before code generation<\/li>\n\n<li><strong>TypeScript\/Next.js\/Supabase code<\/strong> production-ready and maintainable<\/li>\n\n<li><strong>No vendor lock-in<\/strong>: GitHub export or direct code download<\/li>\n\n<li><strong>Complete full-stack architecture<\/strong> (frontend + backend + DB) in one session<\/li>\n\n<li>Full access to <strong>Agentic Mode<\/strong> from the Starter plan<\/li>\n\n<li>Dedicated support and early access to new features on higher plans<\/li>\n\n<\/ul>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Limitations<\/h2>\n\n\n\n\n\n<ul class=\"wp-block-list\">\n\n<li><strong>Variable credit consumption<\/strong> depending on complexity: hard to estimate<\/li>\n\n<li>Less suited for <strong>very specific projects<\/strong> with rare technical constraints<\/li>\n\n<li>Requires <strong>writing a good brief<\/strong> for optimal results<\/li>\n\n<li>No <strong>completely free plan<\/strong>: limited trial before billing<\/li>\n\n<\/ul>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions<\/h2>\n\n\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>What is Capacity.so&#8217;s spec-first method?<\/summary>\n\n\n\n<p>Before generating code, Capacity.so asks you to define a complete project brief and precise user stories. This allows the agent to produce code better aligned with your business needs.<\/p>\n\n\n\n<\/details>\n\n\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Can I export my code from Capacity.so?<\/summary>\n\n\n\n<p>Yes, you can export all source code to GitHub or download it directly. There is no vendor lock-in.<\/p>\n\n\n\n<\/details>\n\n\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>What technologies does Capacity.so use?<\/summary>\n\n\n\n<p>Capacity.so generates applications in TypeScript with Next.js for the frontend and Supabase for the backend\/database, with Tailwind CSS and tRPC\/REST APIs.<\/p>\n\n\n\n<\/details>\n\n\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>What are Capacity.so&#8217;s pricing plans?<\/summary>\n\n\n\n<p>Starter at $25\/month (100 credits), Growth at $69\/month (250 credits), Professional at $129\/month (500 credits), and Enterprise at $299\/month (1,000 credits).<\/p>\n\n\n\n<\/details>\n\n\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Is Capacity.so suitable for non-developers?<\/summary>\n\n\n\n<p>Capacity.so is primarily designed for developers and founders with technical knowledge. Basic web development knowledge is recommended to fully leverage the tool.<\/p>\n\n\n\n<\/details>\n\n","protected":false},"excerpt":{"rendered":"<p>Capacity.so is a full-stack AI web app builder that generates production-ready Next.js and Supabase code from a natural language specification.<\/p>\n","protected":false},"author":2,"featured_media":27531,"template":"","meta":{"cia_url_outil":"https:\/\/capacity.so","cia_affiliate_url":"https:\/\/capacity.so","cia_prix":"Starting from $25\/month","cia_devise":"USD","cia_date_test":"","cia_highlight":"Transform your idea into a production-ready full-stack web app in minutes.","cia_logo":"\/partners\/capacity.png","cia_og_image":"","cia_partner":"capacity","cia_json_id":"capacity","cia_verdict":"Capacity.so stands out in the crowded vibe-coding universe through its disciplined __spec-first approach__. By enforcing a brief and user stories before any generation, it produces __TypeScript\/Next.js__ code significantly more maintainable than most competing tools. __Complete code ownership__ without vendor lock-in is a strong competitive advantage for developers and agencies. Plans are accessible: __Starter at $25\/month__, Growth at __$69\/month__, and Professional at __$129\/month__. The main limitation is sometimes unpredictable credit consumption for complex projects. For developers, founders, and agencies looking to quickly scaffold complete production web applications, Capacity.so represents one of the best efficiency-to-cost ratios on the market.","cia_avantages":"[\"__Spec-first methodology__: specification before code generation\",\"__TypeScript\/Next.js\/Supabase code__ production-ready and maintainable\",\"__No vendor lock-in__: GitHub export or direct code download\",\"__Complete full-stack architecture__ (frontend + backend + DB) in one session\",\"Full access to __Agentic Mode__ from the Starter plan\",\"Dedicated support and early access to new features on higher plans\"]","cia_avantages_court":"[\"Approche spec-first disciplinu00e9e\",\"Code TypeScript\/Next.js production-ready\",\"Aucun vendor lock-in\",\"Full-stack en une session\",\"Agentic Mode du00e8s le Starter\"]","cia_inconvenients":"[\"__Variable credit consumption__ depending on complexity: hard to estimate\",\"Less suited for __very specific projects__ with rare technical constraints\",\"Requires __writing a good brief__ for optimal results\",\"No __completely free plan__: limited trial before billing\"]","cia_inconvenients_court":"[\"Cru00e9dits difficiles u00e0 estimer\",\"Brief de qualitu00e9 requis\",\"Pas de plan totalement gratuit\",\"Moins adaptu00e9 aux projets tru00e8s nichu00e9s\"]","cia_ideal_pour":"[\"__Du00e9veloppeurs solo__ voulant scaffolder rapidement une app\",\"__Fondateurs__ lanu00e7ant un MVP sans u00e9quipe technique\",\"__Agences__ ayant besoin de prototypes clients rapidement\",\"__Freelances__ souhaitant accu00e9lu00e9rer leur production de code\"]","cia_pas_pour":"[\"__Projets legacy__ nu00e9cessitant des stacks techniques non supportu00e9es\",\"__Entreprises__ avec des contraintes de su00e9curitu00e9 tru00e8s strictes sur le code\",\"__Du00e9veloppeurs__ cherchant uniquement un assistant de complu00e9tion de code\",\"__Utilisateurs non-techniques__ sans notions de du00e9veloppement web\"]","cia_faq":"[{\"q\":\"What is Capacity.so's spec-first method?\",\"a\":\"Before generating code, Capacity.so asks you to define a complete project brief and precise user stories. This allows the agent to produce code better aligned with your business needs.\"},{\"q\":\"Can I export my code from Capacity.so?\",\"a\":\"Yes, you can export all source code to GitHub or download it directly. There is no vendor lock-in.\"},{\"q\":\"What technologies does Capacity.so use?\",\"a\":\"Capacity.so generates applications in TypeScript with Next.js for the frontend and Supabase for the backend\/database, with Tailwind CSS and tRPC\/REST APIs.\"},{\"q\":\"What are Capacity.so's pricing plans?\",\"a\":\"Starter at $25\/month (100 credits), Growth at $69\/month (250 credits), Professional at $129\/month (500 credits), and Enterprise at $299\/month (1,000 credits).\"},{\"q\":\"Is Capacity.so suitable for non-developers?\",\"a\":\"Capacity.so is primarily designed for developers and founders with technical knowledge. Basic web development knowledge is recommended to fully leverage the tool.\"}]","cia_languages":"[\"en\"]","cia_read_more":"[{\"href\":\"\/comparatifs\/ia-code-developpement\",\"title\":\"Meilleurs outils IA code & du00e9veloppement\",\"desc\":\"Comparatif des meilleures solutions IA pour gu00e9nu00e9rer, du00e9boguer et documenter du code.\"},{\"href\":\"\/comparatifs\/ia-no-code-automatisation\",\"title\":\"IA No-code & Automatisation\",\"desc\":\"Su00e9lection des meilleurs outils no-code et d'automatisation propulsu00e9s par IA.\"}]","cia_seo_title":"","cia_seo_description":"","cia_seo_h1":"","cia_review_seo_title":"","cia_review_seo_desc":"","cia_created_at":"2026-04-07","cia_updated_at":"2026-04-07","cia_note_globale":4.6,"cia_note_count":68,"cia_prix_mensuel":25,"cia_ranking":999,"cia_verified":false,"cia_featured":false,"cia_selection":false,"cia_is_affiliate":false,"cia_has_review":true,"cia_trial":true,"cia_langue_fr":false,"cia_api_disponible":false,"footnotes":""},"categorie-ia":[177,178],"tag-ia":[389,87],"tarification":[17,16],"niveau-utilisateur":[],"metier":[],"class_list":["post-13661","outil_ia","type-outil_ia","status-publish","has-post-thumbnail","hentry","categorie_ia-code-development","categorie_ia-no-code-automatisation","tag_ia-generation-de-code-en","tag_ia-no-code","tarification-essai-gratuit","tarification-payant"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - 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