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- Claude Opus 5.5
- No. 36
Design-to-HTML: one mockup, four models

The same image mockup converted to working HTML by Opus 5.5, GPT-6 Astra, Grok 4.7 and MiMo, all four live. The tester ranked Opus 5.5 a close second behind Astra on polish.
Sources & verification
Verified against the original source on 11 Nov 2026.
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