AI PM turning everyone into critical AI thinkers & builders. Join tens of thousands readers from 146 countries, and a community developing critical AI literacy through practice. Use AI to strengthen the branch you’re sitting on, not cut it off.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 112 | Founded | 2 years ago | Last Issue | 6 days ago |
| Active | |||||
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karozieminski.substack.comLatest Issues
What Is Jev? Why Is Everyone Crazy About It? What I Built for Less Than $1.
TL;DR: On September 15, 2026, TypeSafe launched Jev, the first System One judgment model, and it became the fastest-adopted model in Vercel AI Gateway history: nearly 13% of paid teams used it within 24 hours. Pricing is $0.042 per m...
How to Govern AI Agent Fleets Inside a Product Team
The skillset of an "AI-native" product team is a moving target.
A few years back, prompt engineering was a hot skill. Then came context engineering, and agent engineering.
We still need to know all of the above. But we can’t put our feet...
Get AI Recommended. AI Search Brought Me 51 Subscribers in 60 Days. And It Wasn’t LLMs.txt.
TL;DR: If you want to get cited by AI, give an answer engine a reason to retrieve your page. Start with a specific long-tail question. Bring something the rest of the search pile cannot: an original experiment result you measured, or...
Claude Fable 5.1: What Chinese Coverage Says and English Doesn’t
136 Chinese queries later: What English coverage of Fable 5.1 missed.
Does Pangram Work on Substack? I Ran a 159,002-Word Experiment During Its First Month
I blind-tested 159,002-word authorship dataset.
I’ve been running a secret experiment on everything I write (and some of what I say in meetings) since announced the roll-out of Pangram on July 21, 2026.
AI-assisted or entirely mine, eve...
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Authors
The writers behind this newsletter.
AI PM turning everyone into critical AI thinkers & builders. A community developing critical AI literacy through practice. Use AI to strengthen the branch you’re sitting on, not cut it off.
Economist, data engineer, cybersecurity. I write about systems, incentives, and entropy in modern organizations. Most failures are not operational, they are structural misreadings of reality.
Marketer, writer, dude, dad, nomad. Building things like: ECHO - recursive Known-Operator learning AI that absolutely rawks // wtfisecho.com
Decoding the Black Box of CS Admissions. A Tech PM & former robotics researcher's guide to helping your child navigate Engineering & AI/CS admissions without the 'Tiger Mom' stress.
The TAB Index is an independent daily measurement of AI model output quality across six trust categories, including security, provenance, and instruction authority.
AI Product Manager turned builder. Founder of DraftKit.app, AIAdventChallenge.com. I stopped asking for permission and now I lead through evidence. Published book author. Trusted by Reforge.
You know your subscriber count. You don't know which note drove it. I build tools that close that gap. One creator found $400 in hidden sales from a single query. Schedulers, AI analytics, dashboards: finntropy.gumroad.com
Donna: 2nd brain for Substack creators already making money. Next week’s what to write, what’s working, and what’s next — decided, drafted, and scheduled in one sitting.
I build small machines for solo creators who sell their own work: articles that become video, a store you run from Claude, channels that publish without you. Run in public, numbers and failures included. Engineer, dad, evenings only.
I help non-technical founders and creators build AI automation systems that grow revenue without growing workload. 20 years of enterprise engineering, now in plain English. I share just what works. Claude Code, Cowork, n8n, Codex and ChatGPT
CEO at ANDRS Projects, a Tech Foundry & AI Consultancy | Leader in AI, Travel + Fin Tech | Entrepreneur | #Dare2Create Advocate
Transform your Leadership, EQ, and AI skills with me. Staff AI & Frontend Engineer ex-AWS Amazon. Top 10 AI Mentor in ADPList. Opinions are my own.
Senior Frontend Engineer & Designer | Building my way through tech and writing about it.
Product Strategist, UX and AI Designer, Builder, Founder at Creative Glue Lab. Clarity and insights on how to build and design with and for AI.
Preparing Generalists for AI + Brain future, with language → code → AI. AI/NLP Product builder (\ud83e\udde0) in Finland - Writer (❤️) from India - Cognition based education enthusiast (\ud83e\ude94) for the world.
I'm a yoga and mindfulness teacher who traded hustle for grief, wonder & slow living. The village doesn't need more experts — it needs more witnesses. Subscribe and get The Little Guide to Everyday Wonder, plus tools & quizzes at the link.
Escrevo sobre saúde, longevidade e biohacking, com base em 17 anos de pesquisa e experimentação. Meu objetivo é ajudar você a entender melhor as informações sobre saúde e fazer escolhas mais informadas para a vida real.
Visual brand strategist for solopreneurs building with AI. The most fun you'll have learning AI branding and you'll come out looking like a real brand. Join 2,000+ flamingos building full brand systems that drive consistent subscriber growth. \ud83e\ude77\ud83e\udda9
Game designer, builder, data scientist, girl dad. Author of Alternate Worlds (the book), home of the Alternate Worlds (the podcast), about life’s journey through Magic.
Founder @IdeaGrit https://ideagrit.foundersailab.com Founder @They Moved the Needle https://xianli.substack.com/t/they-move-the-needle Share product design philosophy, founder lessons, and build in public so you can build better products, faster.
AI Solutions Architect at Microsoft, previously AWS and Oracle, documenting how AI teams turn fast-moving model capabilities into production systems, operating patterns, and business outcomes.
ex Antler VC. Building NEW ECONOMIES - your go to newsletter on the latest trends in tech.
HS Chemistry & Physics Teacher | Founder, Thinking Labs by Temple Academy | Building cognitive sovereignty before AI access | Published researcher | Harvard · Brandeis · Tufts
I help companies diagnose AI readiness, design the first workflows, and stay on to lead implementation until it sticks.
Writes about dogs, life with AI, and the weird stuff in between. Ex-USAID laid off by Elon. Outside Feet is for pet parents seeking to improve their dog's quality of life. Artificial Idiocracy is for those who feel out of place in the age of AI.
COO at VoiceOS. Building the next generation of voice AI and dictation tools. Economics student at Santa Clara University. Startup builder since 14.
Sandi is a problem-solver, crisis-averter, translator of the technical into the human. After decades of being the person everyone called, she's now doing the same thing with AI — for people who think it isn't for them.
For 27 years I played the smartest person in the room. Then I lost the room. Now I write about what's left when the performance falls away: self-knowledge, conscious leadership, and the friction that makes us sharp.
Short stories of the next hundred years. Genre neutral. One published anthology, another coming this fall.
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