
Lovable
AI Website Builder
Next.js
AI Coding ToolSide-by-side comparison of detection signals, AI scores, and features. Use our free tool to check which one powers any website.
AI Website Builder
Lovable is a ai website builder with an AI Score of 90/100 (AI-Native). Our detection engine uses 23 signal patterns to identify Lovable-built sites.
AI Coding Tool
Next.js is a ai coding tool with an AI Score of 65/100 (AI-Assisted). Our detection engine uses 5 signal patterns to identify Next.js-built sites.
Lovable (formerly GPT Engineer) is a full-stack AI application builder that creates complete React web applications — including frontend, backend logic, and Supabase database — from natural language prompts. Unlike website builders that produce marketing pages, Lovable builds interactive applications with user authentication, real-time data, and API integrations. It's used by startups and developers to rapidly prototype SaaS products, internal tools, and web apps that would otherwise require a development team. Lovable has surpassed 1 million users and powers thousands of production applications. Sites can be detected through requests to lovable-uploads.s3.amazonaws.com for stored files and *.lovable.app domains for hosted projects. Pricing starts free with a usage cap, and Pro plans begin at $20/month.
Next.js is the world's most popular React framework for production web applications, created and maintained by Vercel — powering the frontends of companies like Vercel, TikTok, Twitch, and Hulu. It supports multiple rendering strategies: static site generation (SSG), server-side rendering (SSR), incremental static regeneration (ISR), and client-side rendering — often mixing strategies across different pages within a single application. Next.js is the default choice for new React projects requiring SEO, performance, and full-stack capabilities through its API Routes and Server Components. Next.js apps are identifiable through /_next/static/ paths for all compiled JavaScript and CSS chunks, the __NEXT_DATA__ JSON embedded in every page's HTML containing initial props, x-powered-by: Next.js HTTP headers on most deployments, and the Next.js chunk naming convention for split JavaScript files.
Choose Lovable if…
Choose Next.js if…
Curious if a website uses Lovable or Next.js? Scan it now — free.