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Every resource founders actually use, in one library.

The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.

What founders use most, ranked by how many answers lean on it.

  1. Hard evidence that half the 'better AI' effect is the user's prompting skill, the clearest answer to why identical tools... mitsloan.mit.edu Article · How Founders Use AI Study: Generative AI results depend on user prompts as much as models MIT Sloan (Ideas Made to Matter)
  2. Video · How Founders Use AI The Skill That Separates AI Power Users From Everyone Else (Why "Clear" Specs Produce Broken Output) Nate B Jones (AI News & Strategy Daily)
  3. Data from OpenAI's own enterprise usage showing the gap is behavioral, not access, everyone has the same tools, few use them... venturebeat.com Article · How Founders Use AI OpenAI report reveals a 6x productivity gap between AI power users and everyone else VentureBeat
  4. Video · How Founders Use AI AI prompt engineering in 2025: What works and what doesn't | Sander Schulhoff Lenny's Podcast
  5. A practitioner's deep-dive with real examples from AI companies like Bolt, separating research-backed techniques from folklore. news.aakashg.com Article · How Founders Use AI Prompt Engineering in 2025: The Latest Best Practices Aakash Gupta (Product Growth)
  6. Rare empirical test of popular techniques against a current model, shows which tips are measurable wins and which are myths. dreamhost.com Article · How Founders Use AI We Tested 25 Popular Claude Prompt Techniques: These 5 Actually Work Brian Andrus (DreamHost)
  7. A top VC walks through a real founder's Claude Project setup, a concrete, copyable example of putting business context into an... sarahtavel.com Article · How Founders Use AI Getting started with Claude Projects: Starting the day off right Sarah Tavel (Benchmark)
  8. A billion-dollar founder shares his exact custom-instruction templates so ChatGPT permanently knows who you are and how you work. simple.ai Article · How Founders Use AI The ChatGPT Feature 90% of Users Ignore (But Shouldn't) Dharmesh Shah (simple.ai / HubSpot co-founder)
  9. Video · How Founders Use AI Creating a contextual workspace in ChatGPT OpenAI
  10. Explains what ChatGPT remembers about you, how to view and edit it, and how to keep sensitive business info out, essential... help.openai.com Guide · How Founders Use AI Memory FAQ OpenAI Help Center
  11. Video · How Founders Use AI ChatGPT vs Claude vs Gemini: The Best AI for Each Use Case in 2025 Peter Yang (Creator Economy)
  12. A first-person, three-tool workflow (with the actual prompts) that shows the mature answer to "which AI?": use each for the... tomsguide.com Article · How Founders Use AI How I use Claude for strategy, Gemini for research and ChatGPT for 'the grind' Amanda Caswell, Tom's Guide
  13. An AI-native startup team stress-tests every major model release on real work within days; bookmark it and you never need to... every.to Guide · How Founders Use AI Vibe Check, Every's hands-on reviews of each new frontier model Dan Shipper and the Every team
  14. A bootstrapped indie founder itemizes his real stack with actual prices ($73-205/month all-in), showing you can run a whole... superframeworks.com Guide · How Founders Use AI The Solopreneur AI Stack Costs Under $200/Month, Here's What's In It Ayush Chaturvedi (Superframeworks)
  15. Video · How Founders Use AI How I AI: Zapier's CEO shares his personal AI stack (Wade Foster) Claire Vo, How I AI (Lenny's network)
  16. A seven-category head-to-head of the two subscriptions most founders debate first, with a clear verdict framework: depth of... tomsguide.com Article · How Founders Use AI Claude Pro vs ChatGPT Plus, I tested both subscriptions to see which one's actually worth $20 Amanda Caswell, Tom's Guide
  17. A useful contrarian take from a daily user of all four: keep the generous free tiers for most tools and pay for only the one... xda-developers.com Article · How Founders Use AI I use ChatGPT, Claude, Perplexity, and Gemini daily, here's the only one worth paying for Mahnoor Faisal, XDA Developers
  18. A working engineer's system for filtering AI noise, stick to primary sources and a short list of trustworthy people, from an... blog.nilenso.com Article · How Founders Use AI How I keep up with AI progress Atharva Raykar (nilenso, Bangalore)
  19. Gives five concrete filters you can apply to any shiny new tool, start from work friction, go deep on one tool for a week, the... chriskobar.medium.com Article · How Founders Use AI You Can't Keep Up With AI. Nobody Can. Here's What to Do Instead. Christopher Kobar
  20. A named 15-minutes-a-day source list (AI Daily Brief, Ethan Mollick, Ben's Bites, Nate B. Jones) you can copy wholesale instead... smithstephen.com Article · How Founders Use AI You Asked How I Keep Up With AI. Here's the Honest Answer. Stephen Smith (Intelligence by Intent)
  21. The highest-signal way to discover tools: watch a founder or operator demo a workflow that already works in production, then... youtube.com Podcast · How Founders Use AI How I AI, podcast where operators screen-share real AI workflows Claire Vo (Lenny's network)
  22. Video · How Founders Use AI AI as Your New Strategic Thought Partner, Jeremy Utley (Stanford) Jeremy Utley on Proof of Work: Applied AI Case Studies
  23. First-person, very fresh walkthrough of using AI as a sparring partner, devil's advocacy, blind-spot hunting, and... wondertools.substack.com Article · How Founders Use AI Five Useful AI Tactics to Sharpen Your Thinking Every Day Jeremy Caplan (Wonder Tools)
  24. A real operator demos turning Claude into a research and thinking assistant over 1,500 of his own notes, thinking-partner use... every.to Podcast · How Founders Use AI How to Use Claude Code as a Second Brain Dan Shipper with Noah Brier (Every, AI & I)

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