Lenny's Newsletter

The coming AI security crisis (and what to do about it) | Sander Schulhoff

Kevin Stevens

Reading is a Competitive Advantage

Investing in AI | Rob May

OpenAI's Problem: Focusing on AGI Over ROI

Saastr

App of the Week: OpenRouter — The Universal API for All Your LLMs

Chamath Palihapitiya | Chamath Palihapitiya

What I read this week...

Lenny's Newsletter

🧠 Community Wisdom: What PMs need to master in the age of AI, testing product activation with AI browsers, splitting time between PM work and prompt engineering, Mixpanel vs. PostHog, and more

Kyle Harrison

2025 in Books

Andrew Ziperski

Tech’s Flat Earthers

Phin Barnes

Going AI Native, From Execution to Governance

Saastr

My Biggest Fear in Investing Now: The $100,000,000 ARR Slowdown

Jessie Harris

Week 29 Roundup

Ed Sim

What’s 🔥 in Enterprise IT/VC #477

Stage 2

Finding Your First Value Metric (Part 2)

Stage 2

Finding Your First Value Metric (Part 2)

David Ongchoco

Turning 30 - Change Is The Only Constant.

Simon Wu

Distribution Is Oxygen. Endurance Is the Moat.

A Wealth of Common Sense | Ben Carlson

Concentrate to Get Rich (or Poor)

Phin Barnes

Merrill Lutsky (Graphite) x Zach Lloyd (Warp) on building for engineers

Hunter Walk

Graphite Gets Bought By Cursor: Three Reflections from Six Years of Work [PMF didn’t happen right…

Hunter Walk

Graphite Gets Bought By Cursor: Three Reflections from Six Years of Work [PMF didn’t happen right away; working IRL mattered; three founders, three distinct roles]

Cathay

Distribution Is Oxygen. Endurance Is the Moat.

Dash Media

☀️ EP. 29 · Democratizing Work & Opportunity in Higher Ed | Edreform in 10

Euclid Ventures

Euclid Insights: 2025 Year In Review

Jack Arenas

People Over Logos

Glenn Borok

When the U.S. Government Joins the Cap Table