Lenny’s Podcast
How to win in the AI era:
Ship weekly, embrace technical debt,
ruthlessly cut scope

aired [03.27.2025]


Host: Lenny Rachitsky

Guest: Gaurav Misra, co-founder and CEO of Captions.

Key Insights

  • AI’s Game-Changing Potential: Advancements in AI are unlocking unprecedented opportunities for startups, making it easier to build functional products quickly and solve real-world problems effectively.

  • Speed as a Startup Edge: Rapid, iterative development—such as shipping marketable features weekly—keeps startups competitive by delivering value fast and adapting to user feedback.

  • Innovation Through Secrecy: A “secret roadmap” of unrequested, groundbreaking features can differentiate a startup from competitors relying on predictable user-driven updates.

  • Snap’s Winning Formula: Snap’s success stemmed from a clear mission of private sharing and a designer-led culture that enabled rapid innovation under tight leadership control.

  • AI Video’s Dual Future: AI is revolutionizing video creation for storytelling and marketing, but its potential for misuse in documentation raises ethical challenges that need careful management.
1. Gaurav Misra’s Journey: From Snap to AI Video Pioneer

  • Gaurav Misra, co-founder and CEO of Captions, an AI-powered video editing tool, shares his path from being an early employee at Snap to leading a startup with over 10 million users and $100 million raised.

  • At Snap, he spearheaded design engineering; now, he’s leveraging AI to transform video creation at Captions.
2. AI: The Startup Superpower

  • AI’s rapid evolution has created a golden era for startups, where “everything you try just works,” Misra says. Unlike five years ago, when ideas felt exhausted, today’s tech makes innovation accessible.

  • Success hinges on solving tangible user problems, not just riding the AI hype—building playgrounds won’t sustain a business.
3. Captions’ Playbook: Ship Fast, Innovate Secretly

  • Engineers at Captions aim to ship a marketable product weekly—features users would pay for, not just table stakes. This pace cuts scope, not quality, to test ideas swiftly.

  • Two roadmaps drive development: a public one based on user feedback and a “secret roadmap” of bold, unasked-for innovations. The eye-contact feature, adjusting gaze in videos, emerged from this and went viral.

  • Sometimes design kicks off before problem definition, sparking unexpected breakthroughs through creative exploration.
4. Snap’s Secret Sauce: Mission and Design-Driven Grit

  • Snap thrived by sticking to its mission of safe, private sharing, even rejecting lucrative features like public story sharing to avoid bullying.

  • A small design team of 10-12 members, who also served as product managers, enabled CEO Evan Spiegel to maintain detailed control over all UI changes across a company with thousands of employees.

  • Misra’s “design engineering” role blended design and engineering, prototyping ideas fast to keep Snap innovative as it scaled.
5. AI Video’s Horizon: Storytelling vs. Deception

  • AI is democratizing video, enabling non-professionals to create dialogue-driven content, with Captions targeting “talking videos” over silent B-roll.

  • ByteDance’s recent model showcases near-photorealistic talking avatars, a leap from the Will Smith spaghetti video just 18 months ago.

  • Misra splits video into documentation (e.g., news, memories) and storytelling (e.g., ads, entertainment). AI’s value lies in the latter, but misuse in the former—like faking reality—is a risk Captions designs against.

  • Marketing will drive AI video adoption, with tailored, scalable ads outperforming human-shot content.
6. Failure Corner: Ignoring a $500K Clue

  • Captions launched in two days and hit the App Store’s top charts, but Misra doubted its potential, chasing a social network instead.

  • A year and a half later, he found $500K in revenue on his personal account—unattended, with 2,000 unanswered tickets—proving product-market fit he’d overlooked.

  • Refocusing on Captions sparked explosive growth, turning a vertical revenue line into a new, steeper one.
subscribe to receive weekly 5 minute summaries.