I tested Claude Code, Codex, Lovable, and Replit side by side, and only one felt ready for real work
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A hands-on comparison of four AI coding tools — Claude Code, Codex, Lovable, and Replit — all given the same prompt to build a real-time collaborative meal planner. Claude Code and Codex produced functional apps quickly but required manual deployment steps (Vercel, Render, Supabase). Replit and Lovable handled the full stack including deployment automatically. Replit edged out Lovable on UI polish this round, making it the pick for non-developers who want to go from idea to shareable app with zero infrastructure setup.
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I used all four tools to build the same collaborative appClaude Code and Codex built the app wellReplit and Lovable handled everything and were the easiest to useSort: