Yupp AI Shuts Down After Raising $33M from a16z Crypto — 1.3M Users Couldn't Save It

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Crowdsourced AI model feedback startup Yupp is shutting down less than a year after launch, despite raising $33M from a16z crypto's Chris Dixon and 45+ angel investors including Jeff Dean, Biz Stone, and Perplexity CEO Aravind Srinivas. The platform had 1.3 million users comparing 800+ AI models but couldn't achieve product-market fit as rapid model improvements made comparison services less differentiated. Platform access ends April 15, 2026.