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Onlook
What ChatGPT, Claude, Gemini & Grok actually say · July 2026
The verdict
Onlook appears in 1 AI-ranked category.
GPT —Claude #5Gemini —
The best open-source entry — a visual, Figma-like editor that operates directly on your actual Next.js/Tailwind codebase, so every AI edit is by construction real production code in git, not an export; earns the spot for teams who refuse tool lock-in, though it's a near-tie with the MISSED entries below.
Where Onlook falls short, per the models
- Claude Young and rough — Next.js+Tailwind only, and raw generation quality from a cold prompt trails v0 noticeably; it shines at editing existing code, not greenfield screens.
Top alternatives per the models: v0 · Builder.io · Figma Make · Lovable
Rankings are computed from what the models answer, re-polled continuously · raw reasoning shown verbatim · methodology