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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. 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
  3. 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)
  4. 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)
  5. 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)
  6. 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)
  7. 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
  8. 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
  9. 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
  10. 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)
  11. 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
  12. 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
  13. 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)
  14. 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
  15. 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)
  16. 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)
  17. Gives you a copy-paste system prompt that turns ChatGPT/Claude into a 'challenge first, support second' devil's advocate,... aimaker.substack.com Article · How Founders Use AI I Reprogrammed My AI to Disagree With Me, Here's What Happened Wyndo (The AI Maker)
  18. A step-by-step method for designing an AI 'board' with distinct seats, an inverter to challenge assumptions, a simplifier, a... mehtacognition.substack.com Guide · How Founders Use AI How I AI: Build Your Personal Board of Advisors Nishant Mehta (Mehta Cognition)
  19. A chief of staff compares Claude, ChatGPT, Gemini, and Copilot as thought partners for anticipating tough board questions on a... sectionai.com Article · How Founders Use AI How I Use AI to Help My Boss Prepare for Board Meetings Ana Silva (Section)
  20. A bootstrapped SaaS founder shows exactly how he uses ChatGPT and Claude to cover coding, marketing, support, and sysadmin... thebootstrappedfounder.com Article · How Founders Use AI The AI-Powered Solopreneur Arvid Kahl (The Bootstrapped Founder)
  21. Hour-by-hour breakdown of one operator running multiple AI coding agents in parallel, the most concrete picture of one person... every.to Article · How Founders Use AI How I Use Claude Code to Ship Like a Team of Five Kieran Klaassen (Every)
  22. A practical six-step playbook mapping which AI tools cover which gap, discovery, prototyping, production, marketing, sales, for... aakashgupta.medium.com Guide · How Founders Use AI How Solo Founders Are Building $1M+ SaaS Businesses (Using Only AI Tools) Aakash Gupta (Product Growth)
  23. The defining write-up of the tiny-teams movement, with real operating tactics from Gamma, Gumloop, Bolt.new, and other... latent.space Article · How Founders Use AI The Tiny Teams Playbook swyx (Latent Space)
  24. Maps which parts of production readiness you can automate. web.archive.org Article · How Founders Use AI Vibe coding startups: when it works, breaks, and what to automate Autonoma

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