WhatWouldClaudeUsewhat would Claude use?
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Fullstack vibecoding app

I want to build a fullstack web app by 'vibe coding' — describing what I want in natural language and letting an AI build and deploy it for me. Which AI app-building tool should I use? Give your ranked top 3.

Top pick by run

ModelJul 3, 2026Jul 23, 2026Sep 5, 2026Sep 28, 2026Oct 1, 2026 · 09:03:18 UTCOct 1, 2026 · 09:03:23 UTCOct 1, 2026 · 09:03:25 UTC
Claude Fable 5————
Claude Opus 5——————
Claude Opus 4.8———
Claude Sonnet 4.6———
Claude Haiku 4.5——
GPT-5.5————
GPT-5.6 Sol—————
GPT-6 Astra—————

Each column is one run. Click a pick to see that model's full ranking and reasoning. Green marks a change from the previous run.