Lenny’s Podcast128 min
Inside ChatGPT: The fastest-growing product in history
Nick Turley · Aug 9, 2025
Key learnings
- Ship early to learn what people actually want; with AI, the valuable behaviors are emergent, so you won't know what to polish…
- Treat the model itself as a product: iterate on it using real user use cases, personality/vibe checks, and new capabilities like…
- Set the team's pace deliberately by asking whether work is 'maximally accelerated', separating fast product iteration from…