Building Cluely: The Viral AI Startup that raised $15M in 10 Weeks

What if virality wasn’t a tactic — but the entire product?In this episode, a16z General Partners Erik Torenberg and Bryan Kim sit down with Roy Lee, cofounder and CEO of Cluely, one of the most talked-about consumer AI startups of 2025. Cluely didn’t raise a mega round or drop a feature suite to get traction - it broke through by turning distribution into design: launching viral short-form videos, pushing polarizing product drops, and building in public with speed and spectacle.We cover:– Why virality is Cluely’s moat– Building a brand-native AI interface– The Gen Z founder mindset– What most startups get wrong about attention– Why creators are the new product managers– Cluely’s long-term vision for ambient AICluely is a glimpse at the next generation of startups,  where the line between product and performance is disappearing. Timecodes: 00:00 Introduction 01:07 Early Success02:02 Roy's Journey: From College Kid to Tech Universe04:37 The Turning Point: Harvard and Beyond06:57 Building Cluey: The Early Days08:27 The Viral Strategy: Mastering Algorithms13:56 The 50 Interns Experiment15:30 The Investment Journey: Roy and Bryan's Partnership19:20 Momentum as a Moat: The Future of AI Companies20:32 The Evolution of Product Strategy in the AI Era21:19 The Importance of Speed and Adaptability22:48 The Role of Distribution in Modern Startups24:26 Roy's Journey and Product Development25:25 The Power of User Data and Feedback26:58 Innovative Marketing and Distribution Tactics28:25 The Future of AI Integration and Translucent Overlays32:15 Controversial Marketing and Authenticity34:01 The Impact of Radical Transparency36:42 The Changing Landscape of Professionalism38:26 Concluding Thoughts and Future VisionResources: Find Roy on X: https://x.com/im_roy_leeFind Bryan on X: https://x.com/kirbyman01Learn more about Cluely: http://cluely.com/ Stay Updated: Let us know what you think: https://ratethispodcast.com/a16zFind a16z on Twitter: https://twitter.com/a16zFind a16z on LinkedIn: https://www.linkedin.com/company/a16zSubscribe on your favorite podcast app: https://a16z.simplecast.com/Follow our host: https://x.com/eriktorenbergPlease note that the content here is for informational purposes only; should NOT be taken as legal, business, tax, or investment advice or be used to evaluate any investment or security; and is not directed at any investors or potential investors in any a16z fund. a16z and its affiliates may maintain investments in the companies discussed. For more details please see a16z.com/disclosures. Stay Updated:Find a16z on XFind a16z on LinkedInListen to the a16z Podcast on SpotifyListen to the a16z Podcast on Apple PodcastsFollow our host: https://twitter.com/eriktorenberg Please note that the content here is for informational purposes only; should NOT be taken as legal, business, tax, or investment advice or be used to evaluate any investment or security; and is not directed at any investors or potential investors in any a16z fund. a16z and its affiliates may maintain investments in the companies discussed. For more details please see a16z.com/disclosures. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

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