Three weeks testing v0 by Vercel revealed production-ready React components that compile without errors, but generic designs limit creative projects.

Three weeks of testing later, we found Replit AI Agent builds working apps from single prompts in minutes, but production readiness requires developer oversight.

Three weeks testing Bolt.new revealed an AI app builder that actually delivers functional code for beginners, but struggles with complex applications.

Three weeks of testing revealed Lovable AI generates surprisingly complete full-stack applications from simple prompts, though complex features need manual work.

Three weeks of testing revealed GPT-5.4’s superior reasoning and coding abilities, but premium pricing raises value questions for casual users.

Three weeks of testing revealed Claude Code Review excels at code analysis and security detection but lacks real-time collaboration features.

Three weeks of testing revealed Cursor AI handles repository refactors faster than any tool we’ve tried, but stumbles on auth flows that simpler editors breeze through.