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@lennysan

Lenny Rachitsky · 444,340 followers

Deeply researched product, growth, and career advice

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I'd always thought AI was terrible at design, but after reading today's 🤯 post by @anshuc, I realized I was just doing it wrong. "AI models are capable of amazing creativity, but that creativity gets stifled. LLMs are trained to be next-token predictors: they look at a sequence…↗

💥 Announcing Lenny’s Jobs: The best place in the world to find, vet, and land your dream job I’ve spent thousands of hours on my newsletter and podcast sharing advice on how to get better at your work. But all that advice doesn’t mean much if you don’t actually have a job—or on…↗

Fable is really good at launch videos It essentially one-shotted this video. I told it to read my launch post and create a launch video. That's it. It ran for 46 minutes (without asking me any questions), found all the product logos, and spit this out. I then asked it to add…↗

🚨 Announcement: I’ve co-developed a live course with my frequent collaborator and new Head of Education, Colin Matthews. It's called Become an AI-Native Builder, and you'll learn how to use the latest AI tools—including Codex, Claude Code, Cursor, and other popular AI tools—in…↗

Andrew Ambrosino (@ajambrosino) leads the team behind the Codex desktop app at @OpenAI. Codex usage has 6x'd since February, reaching over 5M weekly active users, and nearly 100% of OpenAI's employees use the Codex app regularly (and not just the engineers). Andrew's personal mi…↗

·@lennysan·Jun 28, 2026·media·chatgpt·codex-desktop-app·design·openai

My biggest takeaways from @danshipper: 1. The future of work will happen inside Codex or Claude Code. Instead of putting AI into your SaaS tool, you’ll use your SaaS tools inside your favorite AI agents' in-app browser. Dan spends all his time in Codex now—writing documents, man…↗

·@lennysan·May 26, 2026·news·automation·claude-code·codex·pm

Automation is a lie. CLIs are over. The SaaSpocalypse is dumb. A year ago @danshipper came on the podcast to predict where AI was heading. He was remarkably right—including the call that everyone was sleeping on Claude Code. Dan has a unique lens into where things are going bec…↗

·@lennysan·May 24, 2026·media·claude-code·codex·podcast·saas

I rarely do interviews or talk about my personal life, but I made an exception for the team at @firstround. Their writer spent hours at my house. We talked about why I started Lenny's Newsletter, what motivates me to keep building it, and a lot of things I don't usually share p…↗

Anthropic is on an unprecedented growth run. Just in the past year they grew from $1B to $19B ARR. They added $6B in ARR just in *February*. Companies like Palantir and Atlassian took 15-20 years to reach ~$5B ARR. Anthropic is adding that every month. Amol Avasare is head of g…↗

·@lennysan·Apr 6, 2026·media·activation·anthropic·cash·claude

Claire Vo's first day with @OpenClaw it deleted her family calendar. Now she runs 9 agents across 3 Mac Minis, and said "I haven't felt like this since I was a teenager learning to code." Her sales agent Sam does a daily CRM sweep, identifies decision-makers from new signups, a…↗

Do you use Claude Code (or some other CLI) for a non-coding use case? I'd love to know how. Please share in the comments. If it's awesome, I'll feature you in the newsletter 👀↗

·@lennysan·Aug 26, 2025·essay·claude-code·cli·feedback·user-experience

Newsletter milestone: 2️⃣5️⃣0️⃣,0️⃣0️⃣0️⃣💥 Some stats and learnings from my newsletter'ing journey so far:↗

·@lennysan·Oct 15, 2022·news·growth·milestone·newsletter