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Lenny's Newsletter

Newsletter covering AI tools, developer platforms, and tech industry trends including model comparisons, product applications, and career insights for builders and managers. This page collects 801 posts published between June 2023 and November 2026. Recent coverage focuses on AI (Horizontal), Developer Tools and Venture Capital & Startups. Lenny's Newsletter publishes roughly 22 posts a month; the best of them appear in the SandHill weekly digest.

801 posts indexed22 in the last 30 daysAI (Horizontal) · Developer Tools · Venture Capital & Startups · Enterprise SoftwareVisit site ↗

Wednesday, 11 November 2026

1 piece
Claude Code + Obsidian: My family’s AI brain | Scott Farrar↗
AI (Horizontal) · Consumer

Tuesday, 10 November 2026

1 piece
State of the tech job market: late 2026↗
HR & Talent · Venture Capital & Startups

Monday, 9 November 2026

3 pieces
Claude Fable 5.2 review: fast, creative, and finally not annoying↗
AI (Horizontal) · Developer Tools
🎙️ How I AI: How this founder built a better Duolingo with Codex↗
AI (Horizontal) · Education
How this founder built a better Duolingo with Codex | William Imoh↗
Education · Developer Tools · AI (Horizontal)

Sunday, 8 November 2026

1 piece
Why PMs are suddenly valuable again | Tulsee Doshi (Head of Product, Gemini)↗
AI Infrastructure · AI (Horizontal)

Tuesday, 3 November 2026

1 piece
Lenny’s Newsletter holiday gift guide 2026↗
Consumer

Monday, 2 November 2026

2 pieces
🎙️ How I AI: Grok vs. Dot vs. Muse vs. Duet + How Figma’s PMs actually use AI every day↗
AI (Horizontal) · Developer Tools · Enterprise Software
How Figma’s PMs actually use AI every day | Ezra Mechaber (PM, Figma)↗
Enterprise Software · Developer Tools

Sunday, 1 November 2026

1 piece
How a 19-year-old intern built the growth engine behind this $2B AI company | Hector Serrano↗
AI (Horizontal) · Marketing & Sales Tech

Saturday, 31 October 2026

1 piece
🧠 Community Wisdom: The biggest sources of interruptions for PMs, hiring junior PMs with case studies vs. behavioral interviews, building a product harness for AI-driven development, and more↗
Venture Capital & Startups

Wednesday, 28 October 2026

1 piece
Grok vs. Dot vs. Muse vs. Claude Duet: which one crushes the competition?↗
AI (Horizontal)

Monday, 26 October 2026

2 pieces
🎙️ How I AI: Claude Duet honest review + Why Reddit built its own AI prototyping tool↗
Developer Tools · AI (Horizontal)
Why Reddit built its own AI prototyping tool | Blair Metcalf↗
Developer Tools · AI (Horizontal)

Sunday, 25 October 2026

1 piece
An 86-minute guide to finding PMF | Rob Snyder (Author, The Power of Pull)↗
Venture Capital & Startups

Saturday, 24 October 2026

1 piece
🧠 Community Wisdom: Negotiating a lowball offer, designers earning a seat in product decisions, resources for building an MCP server, and more↗
Venture Capital & Startups

Wednesday, 21 October 2026

1 piece
Claude Duet is beautiful. I still forgot to use it↗
AI (Horizontal) · Enterprise Software

Monday, 19 October 2026

2 pieces
🎙️ How I AI: Meta Muse Wonder + How Brooke Lacey is scaling video with AI↗
AI (Horizontal) · Media & Entertainment
“Claude cuts my TikTok”: How this creator is scaling video with AI | Brooke Lacey↗
Media & Entertainment · AI (Horizontal)

Sunday, 18 October 2026

1 piece
Inside the black box of AI: How AI models actually think | Emmanuel Ameisen (Anthropic)↗
AI Infrastructure

Saturday, 17 October 2026

1 piece
🧠 Community Wisdom: PRDs for agents, tracking competitor messaging, whether software moats still exist, exercising startup options when you leave, and more↗
AI (Horizontal) · Venture Capital & Startups

Wednesday, 14 October 2026

1 piece
Meta’s new ‘Muse Wonder’ model: good for AI agents, bad for design↗
AI (Horizontal)

Tuesday, 13 October 2026

1 piece
How to tell if a startup has a moat ↗
Venture Capital & Startups

Monday, 12 October 2026

2 pieces
🎙️ How I AI: How Meta designed Muse with Alex Cornell↗
AI (Horizontal) · Media & Entertainment
How Meta designed Muse: an AI agent people actually want to talk to | Alex Cornell (Design Director)↗
AI (Horizontal) · Consumer

Sunday, 11 October 2026

1 piece
Why every company now needs to think and operate like a lab team | Josh Woodward (Google Labs, Gemini, AI Studio)↗
AI (Horizontal) · Enterprise Software

Saturday, 10 October 2026

1 piece
🧠 Community Wisdom: Community Wisdom Top Contributors Summer Class 2026 + ML recommendation systems, getting back into product after being fired, deciding when to quit a side project, and more↗

Monday, 5 October 2026

2 pieces
🎙️ How I AI: 8 real Jev use cases + How OpenAI uses ChatGPT Sites (live at DevDay!) + Claire’s DevDay recap↗
AI (Horizontal) · Developer Tools
How OpenAI uses ChatGPT Sites (live at DevDay!) | Kath Korevec (Product Lead)↗
AI (Horizontal) · Developer Tools

Sunday, 4 October 2026

1 piece
OpenAI’s Head of ChatGPT: We’re entering a new era of AI (again) | Tibo Sottiaux↗
AI (Horizontal)

Saturday, 3 October 2026

1 piece
🧠 Community Wisdom: Getting value from personal AI agents without handing over your inbox, the ego threat of going from IC to manager, uncommon perks to negotiate for, and more↗
Venture Capital & Startups

Wednesday, 30 September 2026

2 pieces
OpenAI Dev Day 2026: The releases that actually matter↗
AI (Horizontal) · Developer Tools
Jev: 8 real use cases for the fastest, cheapest model I’ve ever used | John Lindquist↗
Developer Tools · AI (Horizontal)

Tuesday, 29 September 2026

1 piece
All of the Lenny & Friends Summit talks are now online!↗
Venture Capital & Startups

Monday, 28 September 2026

2 pieces
🎙️ How I AI: Jev for beginners + I left Claude for months, Opus 5.5 brought me back + Opus 5.5 vs. GPT-6 Sol bench↗
AI (Horizontal) · Developer Tools
Jev for beginners: how to use it and what to build↗
Developer Tools · AI Infrastructure

Sunday, 27 September 2026

1 piece
The grief, loneliness, and burnout sweeping through the tech industry right now | Molly Graham↗
AI (Horizontal) · HR & Talent

Saturday, 26 September 2026

1 piece
🧠 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↗
AI (Horizontal) · Data & Analytics

Tuesday, 22 September 2026

2 pieces
Opus 5.5 vs. GPT-6 Sol: which model won my blind taste test?↗
AI (Horizontal) · Developer Tools
I left Claude for months. Opus 5.5 is why I'm back↗
AI (Horizontal)
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