Karan is the co-founder and CEO of Cartesia, an AI model lab building the next generation of real-time voice intelligence.
In this episode, Karan explains what all goes into building an AI Lab company; from massive datasets to pre-training to post-training to inference engines, plus a heavy dose of relentless evaluation, and obsession with every layer of the stack.
We also discuss why existing AI benchmarks are not very helpful, why latency is voice AI’s biggest enemy, and why maintaining context across long conversations is one of the hardest unsolved problems.
Apart from the cutting edge tech, this conversation explores Karan’s journey from researcher to founder, building Cartesia with a five-person founding team, raising capital, and realizing why first-time founders waste years focusing on things that ultimately don’t matter.
If you want a glimpse into the future of AI, watch this episode.
00:00 Trailer 01:35 From DPS to Stanford to Cartesia 02:35 From Counter-Strike to AI 04:28 Another Research Paper Wasn’t Enough 06:48 The Story Behind “Cartesia” 07:17 Building a Company With Five Technical Founders 09:55 From Research Project to Startup 13:54 Cartesia’s Audacious Vision for 2035 15:07 What It Takes to Build an AI Model Company 18:55 Why Faster AI Doesn’t Have to Be Worse 24:12 AI Still Has a Memory Problem 27:14 Why Context Builds Trust 27:50 Will AI Replace Entire Account Teams? 29:16 Hold Music Is Now a Salesman 30:30 Designing AI That Feels Personal 31:31 Building With Cartesia 34:48 Voice AI’s Enemy #1: Latency 38:50 Why AI Labs See the Future First 41:32 Finding Product Market Fit 45:34 Great Products Don’t Need Much Marketing 48:12 Very Few Things Matter 52:26 How Big Can Voice AI Get 55:53 Fundraising And Mission 58:15 What Cartesia Is Ultimately Building ------------- India’s talent has built the world’s tech—now it’s time to lead it. This mission goes beyond startups. It’s about shifting the centre of gravity in global tech to include the brilliance rising from India.
What is Neon Fund? We invest in seed and early-stage founders from India and the diaspora building world-class enterprise AI companies. We bring capital, conviction, and a community that’s done it before. Subscribe for real founder stories, investor perspectives, economist breakdowns, and a behind-the-scenes look at how we’re doing it all at Neon. ------------- Check us out on: Website: https://neon.fund/ Instagram: https://www.instagram.com/theneonshoww/ LinkedIn: https://www.linkedin.com/company/beneon/ Twitter: https://x.com/TheNeonShoww
Connect with Siddhartha on: LinkedIn: https://www.linkedin.com/in/siddharthaahluwalia/ Twitter: https://x.com/siddharthaa7 ------------- This video is for informational purposes only. The views expressed are those of the individuals quoted and do not constitute professional advice.
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