Sundheim: Personalization, Not Answer Quality, Will Be the Moat for AI Assistants
Dan Sundheim · Inside Dan Sundheim's Bets on Anthropic, OpenAI, and SpaceX · Invest Like The Best · Feb 24, 2026 · at 15:58
Dan Sundheim, founder and CIO of D1 Capital Partners, analyzes where long-term moats will form among frontier AI lab consumer products.
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“I think if you're Google or you are OpenAI, the differentiating factor will not necessarily be that Google gives you a better answer. Like if we were just like to, you know query Gemini or ChatGPT on something I don't think it's the case that we would say definitively one will give you a better answer over time. However, the personalization matters. And the first mover advantage is like the more that these models know about you how you live your life, your health. All the things are important to you. You build up this history with, and it becomes very sticky.”
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