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Builders + Strategy

Lenny's Podcast

Product, career, growth with top operators

Lenny's Podcast artwork

How AI Models Actually Think

Anthropic researcher Emmanuel Ameisen explains that language models are grown through training, not programmed line by line, so even their creators cannot read their internal logic directly. Interpretability research shows models form internal plans, share universal concepts across languages, and sometimes fixate on wrong answers when training data rewards them incorrectly (01:45, 15:31, 37:14).

October 18, 2026 · 7 min read

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Josh Woodward on Building an AI Labs Team

Google Labs head Josh Woodward argues every company now needs a frontier team that tests new AI models obsessively, judges early products by watching users' eyes rather than dashboards, and hires for an 'unlearning rate' as much as a learning one (32:13).

October 11, 2026 · 7 min read

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OpenAI's Tibo Sottiaux on Dots and AI Agents

OpenAI's Head of ChatGPT Tibo Sottiaux says agents will soon take most actions on the internet, not humans. He describes Dots, OpenAI's persistent agent that remembers personal context, controls multiple devices, and learns from feedback, plus a plugin ecosystem with revenue sharing and 16 sign-in partners, as proof the industry is moving from manually built loops to self-learning systems (00:16, 11:58).

October 4, 2026 · 7 min read

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Molly Graham's Give Away Your Legos AI Advice

Molly Graham's decade-old advice to give away your career projects still works, but she now says some tasks, like judgment and vision, should never go to AI. Tech burnout jumped from 44% to 55% in a year, and she argues AI needs coaching like a lazy intern rather than blind trust, while good management matters more than ever.

September 27, 2026 · 6 min read

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Peter Sellis on Why Most PMs Are Bad

Peter Sellis, former product chief at Snapchat and Discord, says most PMs are mediocre because top talent exits to become founders or executives. He also explains why Snap's camera-first, messaging-based product structurally resists advertising, and why growth usually comes from deepening core users' daily habits rather than chasing new ones.

September 20, 2026 · 7 min read

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How SpaceXAI Built GroqBot in One Month

GroqBot, a knowledge-work AI agent from SpaceXAI, went from first line of code to internal launch in one month (05:07). A small isolated team, manual onboarding of 200-300 early users (11:41), and giving each bot its own cloud computer instead of sharing the user's device (31:58) drove its rapid, widely praised launch.

September 8, 2026 · 7 min read

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Anish Acharya on AI Loops and Company Design

Anish Acharya, general partner at venture firm a16z, argues that companies are turning into stacks of self-correcting AI loops, from bug fixes to sales, but that every loop still hits a plateau where only human judgment can point it toward the next opportunity (15:15).

September 6, 2026 · 7 min read

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Tara Seshan on OpenAI's AI Product Strategy

OpenAI's third AI era is the persistent coworker, after chat and agents. Product lead Tara Seshan says to build features for where AI models will be in two to three months, not today's limits or a year-out guess, and treats writing as thinking as something she never automates.

August 30, 2026 · 6 min read

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How to Close $100K+ Enterprise Deals

Enterprise sales runs on fifteen real steps, not the five stages most CRMs track, and the actual product changing hands on every call is information. Jen Abel, co-founder of Jellyfish and GM of enterprise sales at State of Affairs, walks through targeting, demos, pilots, and procurement for deals over $100,000.

August 23, 2026 · 7 min read

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