Inside ChatGPT: The fastest-growing product in history | Nick Turley (Head of ChatGPT at OpenAI)

Nick Turley is Head of ChatGPT, the fastest-growing product in history, with 700 million weekly active users (10% of the world’s population). He was part of the original hackathon team that shipped ChatGPT in just 10 days, helped it grow from zero to billions in revenue, and leads product for what may be the most consequential product of our time. We recorded this the day before GPT-5 launched.We discuss:1. The 10-day sprint from deciding to ship ChatGPT to Sam Altman’s tweet (and why it was originally called “Chat with GPT-3.5”)2. How they ran a willingness-to-pay Van Westendorp survey in their Discord to decide on the $20/month price point that everyone copied3. The “Is it maximally accelerated?” philosophy that drives OpenAI’s insane shipping velocity4. Why ChatGPT’s retention curve “smiles”—users leave, then come back months later using it more5. The accidental decisions that changed history, including not having a waitlist6. The impact ChatGPT will have on SEO and product growth7. The counterintuitive reason why shipping unpolished AI features beats waiting for perfection8. Why ChatGPT intentionally shipped with that “ugly” model-chooser dropdown9. How TikTok comments became a primary user research channel early on—Brought to you by:Orkes—The enterprise platform for reliable applications and agentic workflows: https://www.orkes.io/Vanta—Automate compliance. Simplify security: https://vanta.com/lennyPostHog—How developers build successful products: https://posthog.com/lenny—Transcript: https://www.lennysnewsletter.com/p/inside-chatgpt-nick-turley—My biggest takeaways (for paid newsletter subscribers): https://www.lennysnewsletter.com/i/170411252/my-biggest-takeaways-from-this-conversation—Where to find Nick Turley• X: https://x.com/nickaturley• LinkedIn: https://www.linkedin.com/in/nicholasturley/• Website: https://nickturley.com/—Where to find Lenny:• Newsletter: https://www.lennysnewsletter.com• X: https://twitter.com/lennysan• LinkedIn: https://www.linkedin.com/in/lennyrachitsky/—In this episode, we cover:(00:00) Introduction to Nick Turley(04:52) GPT-5 launch(09:13) The vision for ChatGPT and AI assistants(13:52) The early days of ChatGPT(17:14) The success and impact of ChatGPT(20:44) Product development and iteration(23:11) Maximally accelerated: the OpenAI approach(26:17) Retention and user engagement(33:42) The future of chat interfaces(36:31) The evolution of ChatGPT(38:52) Subscription model and pricing strategies(42:10) Enterprise adoption and challenges(44:10) Balancing multiple product lines(52:13) Emergent use cases and user feedback(01:02:15) OpenAI’s unique product development approach(01:05:07) The importance of team composition(01:08:50) Balancing speed and quality in AI development(01:14:23) The role of evals in product development(01:16:13) The future of AI-driven content and GPTs(01:21:51) Philosophy and product leadership(01:23:47) Career journey and advice(01:27:49) Lightning round and final thoughts—References: https://www.lennysnewsletter.com/p/inside-chatgpt-nick-turley—Production and marketing by https://penname.co/. For inquiries about sponsoring the podcast, email [email protected] may be an investor in the companies discussed. To hear more, visit www.lennysnewsletter.com

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