Perplexity
perplexity.aiDesign Analysis
A "product as marketing" pattern: visitors can search Perplexity from the homepage. That's the only AI site where the conversion event happens before the sign-up.
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Cursor
Cursor's homepage shows real code in a real editor, not a glossy gradient. That choice is the single biggest differentiator from every other AI-IDE marketing site.
Anthropic
The most editorial, least gradient-y website in AI. The cream palette and serif headlines make Anthropic look like a publisher, which suits the safety-first brand.