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Building Cluely: The Viral AI Startup that raised $15M in 10 Weeks w/ Roy Lee

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 AI Cluely is a glimpse at the next generation of startups, where the line between product and performance is disappearing. Timecodes: 00:00 Introduction 00:50 Roy's Rise and Controversies 03:33 A Journey of Provocation and Ambition 07:52 Mastering the Algorithm 12:24 Building a Viral Tech Company 14:07 The Power of Distribution 15:49 The Partnership with Brian 20:09 Momentum as a Moat 20:57 The Evolution of Product Retention in the AI Era 21:58 The Importance of Speed and Innovation in AI 24:46 The Rise of Creator-Driven Software Businesses 25:56 Cluey's Journey: From Interview Coder to Viral Success 27:02 The Power of Distribution and User Data 28:54 The Translucent Overlay: A Game-Changer in AI UX 32:41 Building Hype and Authenticity in Product Launches 34:22 The Future of Professionalism and Corporate Culture 40:12 Concluding Thoughts and Vision for the Future Resources: Find Roy on X: https://x.com/im_roy_lee Find Bryan on X: https://x.com/kirbyman01 Learn more about Cluely: http://cluely.com/ Stay Updated: Let us know what you think: https://ratethispodcast.com/a16z Find a16z on Twitter: https://twitter.com/a16z Find a16z on LinkedIn: https://www.linkedin.com/company/a16z Subscribe on your favorite podcast app: https://a16z.simplecast.com/ Follow our host: https://x.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.

Roy LeeguestBryan KimhostErik Torenberghost
Jun 24, 202541mWatch on YouTube ↗

At a glance

WHAT IT’S REALLY ABOUT

Cluely’s distribution-first AI overlay playbook: controversy, speed, revenue fast

  1. Roy Lee frames Cluely’s breakout as a repeatable “algorithm mastery” strategy, arguing X/LinkedIn are behind TikTok/Instagram in understanding controversial short-form dynamics.
  2. Cluely’s early product arc runs from “Interview Coder” (cheating technical interviews) to a general-purpose invisible AI overlay, using massive attention to gather usage data and steer product direction.
  3. The team treats distribution as the primary early moat, operationalizing it by hiring creators (including paid-per-video contractors) and requiring significant follower counts as proof of viral competence.
  4. Bryan Kim connects Cluely’s pace to an AI-era defensibility thesis—“momentum as a moat”—where model/platform shifts can commoditize features quickly, making speed across product and marketing essential.
  5. The conversation argues corporate culture is trending toward radical authenticity and lower “professionalism,” with controversy and transparency becoming an effective, anti-fragile marketing engine rather than a reputational risk to avoid.

IDEAS WORTH REMEMBERING

5 ideas

In the AI era, distribution can be the fastest path to product clarity.

Cluely intentionally pushed a minimal, early version live, then used massive user volume and behavioral data to determine the stickiest use cases (e.g., sales calls) rather than relying primarily on interviews or long pre-launch research.

“Viral fit” is treated like a measurable input, not a lucky outcome.

Roy describes short-form algorithms as giving immediate feedback loops (views, shares, reactions), enabling rapid experimentation on what concepts and narratives reliably break through.

Controversy is a lever, but it needs constraints.

Roy’s stated rule is “never punch down,” and he pairs provocation with visible moments of sincerity to preserve perceived authenticity—an ingredient he believes algorithms and audiences reward.

Creator talent is becoming a core company function, not a nice-to-have.

Cluely’s staffing philosophy collapses roles into “engineers and influencers,” with contractors producing high-volume short-form content at low cost relative to traditional advertising.

Speed across product + marketing is emerging as defensibility (“momentum as a moat”).

Bryan argues that when platforms/models absorb features quickly, slow “artisan product” approaches can be outcompeted; instead, winning teams iterate continuously and keep inventing like Snap’s “gingerbread” dynamic.

WORDS WORTH SAVING

5 quotes

Six months ago, I was some random college kid in a dorm, and now I feel like I'm at the center of the tech universe.

Roy Lee

If any company in the world has a marketing team and the head of marketing does not have 100,000, at least 100,000 followers, like, you, you need to replace them. Like, like, the game has changed.

Roy Lee

You just sit in a room by yourself for, like, like, 12 months- and, and all of a sudden your craziest thoughts become logical, and there, there's no one else. Like, the, the echo chamber is you and your brain, and, uh, it, it amplifies, it amplifies everything.

Roy Lee

People will give it a chance. And therefore, what's really important is to try to build the plane as it's falling down the cliff.

Bryan Kim

AI should not feel like a separate window. Like, it should be integrated seamlessly and, and that, that, that, that looks like translucency.

Roy Lee

Origin story and provocation/controversy as a personal brandAlgorithm differences: TikTok/Instagram vs X/LinkedInDistribution-first company building and “viral fit”Creator-heavy marketing org (interns/contractors paid per video)Momentum as a moat in fast-moving AI marketsProduct evolution: Interview Coder → general overlay UXTranslucent overlay as next-gen AI interface and land grabAuthenticity, anti-fragile marketing, and shifting corporate normsEnterprise revenue traction from content-driven demand

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