HeyJaredLenny's Newsletter
Lenny’s Newsletter is a highly focused, practitioner-oriented publication centered on technology, startups, and modern product management.
- Indexed articles, last 90 days
- 22
- Latest publication
- Sep 26, 2026
- Audience
- Top 1M sites
- Earliest in this view
- Jul 4, 2026
Latest articles
🧠 Community Wisdom: AI doomerism, speeding up discovery in a big org, verifying engineering answers as a new PM, where analytics adds the most value, and more (opens the original)
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👋 Hello and welcome to this week’s edition of ✨ Community Wisdom ✨ a subscriber-only email, delivered every Saturday, highlighting the most helpful conversations in our members-only Slack community.<div class="image2
Opus 5.5 vs. GPT-6 Sol: which model won my blind taste test? (opens the original)
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Listen or watch on YouTube, Spotify, or Apple PodcastsI got up early to record an Opus 5.5 review. Then Anthropic and OpenAI dropped new models on the same morning, and I decided to do something I’d never done before: take the How I AI bench live. I put GPT-6 Astra, GPT-6 Sol, Claude Opus 5.5, and more thr
I left Claude for months. Opus 5.5 is why I'm back (opens the original)
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Listen or watch on YouTube, Spotify, or Apple PodcastsI’ve been off Claude for months. Not because it got dumb, but because it got annoying. The rambling, the hedging, the preachy little disclaimers on tasks that didn’t need them. I moved mos
Advanced evals: How to find (and fix) hidden AI failures in your product (opens the original)
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👋 Hey there, I’m Lenny. Each week, I share deeply researched product, growth, and career advice. For more: Lenny’s Jobs | Lennybot | Become an AI-Native Builder and other favorite AI/PM coursesSubscribe nowP.S. Get
🎙️ How I AI: Meta’s Muse review + How Warp ships 2,000 PRs a month with AI factories (opens the original)
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<img alt="" class="sizing-normal" height="344" src="https://substackcdn.com/image/fetch/$s_!gWeJ!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F361d81ef-7faf-4d8e-8028-5d5e03432a9a_2329x551.png" title="" width=
Publishing over time
Last 90 days. Choose a month to open its work.
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Audience
Top 1M sites
Measured Aug 1, 2026
Website popularity band, not a count of readers or article views.
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