How VEED founder uses ChatGPT, Duolingo's $1billion freemium masterstroke and more AI chat

from Napkin Math · host Charlie & Sabba

Sabba talks about how he uses ChatGPT, Charlie talks use cases for Claude Code and the duo debate whether the UK is an impossible place to bootstrap. Sabba also share lessons on hiring top talent early, and dissect Duolingo’s $1billion freemium play (with a 15% churn rate) before comparing it to VEED’s freemium vs free trial approach.00:00 Intro00:28 How a VC-backed founder uses ChatGPT06:52 Use cases of Claude Code13:25 Napkin Math AI Animation16:14 Is the UK impossible to bootstrap?20:34 Hiring great talent early on25:31 Duolingo's $1billion freemium approach with 15% churn36:04 VEEDs approach to freemium vs free trial

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This episode was published on August 12, 2025.

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