How Founders Use AI

How people use AI, and the tool for each job.

The AI map of which tool is for which job, checked on 29 October 2026, what changed since July, and every video, thread, guide, podcast and tool behind 278 answered questions on putting AI to work.

The AI map: which tool is for which job, as of 29 October 2026

Models and assistants AI assistants Frontier models Open-weight models Decision models

Building with AI Coding agents App builders Design and presentations Spreadsheets, data and internal tools

Agents and research Agents that do tasks for you AI browsers No-code automation with AI steps Research and search Meeting notes and everyday productivity

Making media Video generation Images Avatars and voice Music and audio Video editing

AI at work Prospecting and sales Marketing, ads and AI search Customer support agents Legal and contracts Finance and accounting Hiring and HR

What changed since July

  1. 28 Oct 2026 GitHub began including Copilot with GitHub Enterprise licences and added projects to the Copilot app, where several agents work across repositories. Coding agents github.blog
  2. 27 Oct 2026 n8n released the 3.0 beta, a reliability and security release with breaking changes; self-hosting now runs on Docker only and the stable release is due in early December. No-code automation with AI steps blog.n8n.io
  3. 27 Oct 2026 Hex released Hex 4.0, rebuilt for analysts and AI agents working together, with a $100 million raise. Spreadsheets, data and internal tools hex.tech
  4. 26 Oct 2026 Replit launched Replit for Business, and the next day Cloud Agents that let non-engineers propose changes to a company codebase. App builders blog.replit.com
  5. 26 Oct 2026 OpenAI released GPT-6.1 Terra at $1 / $5 per million tokens, half the price of GPT-6.1 Sol. Frontier models openai.com
All 108 changes

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

  1. A workflow-oriented comparison useful for choosing a company-wide default. gmelius.com Article ChatGPT vs Gemini vs Copilot vs Claude vs Perplexity vs Grok: AI assistants compared Gmelius
  2. Same-prompt tests scored across reasoning, research and writing tasks. bairesdev.com Article The Ultimate AI Test: ChatGPT vs. Gemini vs. Perplexity vs. Copilot vs. Claude BairesDev
  3. A quick reference to hand a co-founder who has not kept up with the tools. techrepublic.com Article AI Chatbot Cheat Sheet: Comparing ChatGPT, Gemini, Copilot, and More TechRepublic
  4. When your question needs peer-reviewed evidence, these specialist tools beat the general chatbots. paperguide.ai Article Elicit vs Consensus: Detailed Comparison Paperguide
  5. Maps the academic-grade research stack for founders in health, deeptech or regulated spaces. iatrox.com Article Best AI tools for evidence research: Elicit, Consensus, Semantic Scholar, Perplexity, scite iatrox
  6. The free reference 3M+ people learned from, covering zero-shot to ReAct with examples. promptingguide.ai Guide Prompt Engineering Guide (promptingguide.ai) DAIR.AI
  7. A self-paced course version if you prefer structure over docs. academy.dair.ai Course Introduction to Prompt Engineering (DAIR Academy) DAIR.AI
  8. Google's persona-task-context-format formula with role-specific examples; effective prompts average 21 words. services.google.com Guide Gemini for Google Workspace Prompting Guide (handbook) Google
  9. The interactive version of the handbook, organised by job and use case. workspace.google.com Guide Google Workspace with Gemini Prompt Guide Google Workspace
  10. A two-minute read of prompting basics to share with non-technical teammates. support.google.com Guide Tips to write prompts for Gemini Google
  11. Names the 8 components of a research prompt including guardrails and anti-hallucination clauses. findskill.ai Guide Deep Research Prompt Framework FindSkill.ai
  12. A copy-paste template that turns a fuzzy founder question into an analyst brief. armenberenson.com Guide Deep Research Prompt Template Armen Berenson
  13. The meta-prompting trick: have the model interview you before it researches. linkedin.com Article ChatGPT Deep Research: Prompts inside prompts Seth Wylie
  14. Worked examples of weak vs strong research prompts with the outputs compared. medium.com Article Unlock ChatGPT's Research Superpowers: Guide to Deep Research Prompts Ali Azimi Darmian
  15. OpenAI's own training material on briefing the research agent properly. academy.openai.com Course Deep research (OpenAI Academy resource) OpenAI Academy
  16. An educator's battle-tested prompt patterns for rigorous, citable research output. teachingnaked.com Guide Deep Research Prompts José Bowen (Teaching Naked)
  17. Shows how a standing system prompt about you and your company upgrades every future research answer. lennysnewsletter.com Article Build your personal AI copilot Tal Raviv, Lenny's Newsletter
  18. A gentle training plan that builds daily prompting muscle instead of one-off hacks. lennysnewsletter.com Article Your Couch-to-5K for AI Hilary Gridley, Lenny's Newsletter
  19. The key instruction: build TAM/SAM/SOM bottom-up from buyer constraints, not analyst headlines. saas-hackers.com Guide How do you use ChatGPT Deep Research for market sizing? SaaS Hackers
  20. A forensic case study of how AI overshot a market by $33B, and how to catch it. strategex.com Article When AI Gets Market Sizing Wrong: A $33 Billion Reality Check Strategex
  21. Tests both agents on actual business-plan research so you see the output quality gap. liveplan.com Article I Tried ChatGPT and Google Gemini's Deep Research (for business planning) LivePlan
  22. A professional B2B market researcher grades AI reports against industry standards. cascadeinsights.com Article A Market Researcher's Review: Deep Research with ChatGPT vs. Gemini Cascade Insights
  23. Five sharp prompts that stress-test demand before you build anything. forbes.com Article 5 ChatGPT Prompts To Check If Your Business Idea Is Worth Millions Jodie Cook, Forbes
  24. A builder's literal prompt stack for demand, competition and willingness-to-pay checks. medium.com Article The Exact Prompts I Use to Validate New Business Ideas Talha Malik

Show the next 24

Playbooks

A goal, and the route through it a step at a time.

Start using AI well Pick an assistant, learn with it, hand it real work, and keep yourself and your data safe. 5 steps Build your product with AI From a prompt to a shipped product: prototype, build, and wire AI into what you ship. 6 steps Code and ship with AI Write, ship, and maintain real software as a founder, with AI as your pair. 4 steps Design and prototype with AI Go from idea to a clickable prototype without a designer. 3 steps Build AI agents and automations Wire up agents and internal tools that do real work for you. 3 steps Put AI inside your product Ship AI features users actually feel, not a bolted-on chatbot. 3 steps Research your market with AI Size the market, study competitors, and read data in hours, not weeks. 3 steps Market and grow with AI Content, creative, and distribution: fill the top of the funnel without a big team. 5 steps Create content with AI Write, film, and design a content engine that runs without a team. 3 steps Get found in AI search Show up when founders and buyers ask AI, not just Google (AEO/GEO). 3 steps Run ads with AI Brief creatives, read the numbers, and optimize spend with AI. 3 steps Find and serve customers with AI Research the market, prospect, close, and support, with AI doing the heavy lifting. 4 steps Sell and prospect with AI Find leads, personalize outreach, and run better sales calls. 3 steps Support customers with AI Answer faster and deflect tickets without losing the human touch. 3 steps Run the back office with AI The unglamorous grind: workflows, finance, legal, and hiring, automated where it counts. 5 steps Automate your workflows Stitch your tools together so the busywork runs itself. 3 steps Hire and manage your team with AI Source, screen, and onboard faster, and keep the team in sync. 3 steps Handle legal and finance with AI Draft contracts and stay on top of the numbers without a big spend. 2 steps Be more productive with AI Get more done and think sharper with AI as a daily habit. 3 steps Become an AI-native founder The meta-skills: build your stack, prompt well, and use AI to research, think, and decide. 6 steps Build your AI stack Pick the tools worth paying for and the prompts worth reusing. 3 steps

The questions, by topic

Building & Product

Vibe Coding 15 Databases & Internal Tools 11 AI Agents 15 Design & Prototyping 12 AI in Your Product 13

Research & Knowledge

Search & Research 13 Market Research 13 Data Analysis 13

Marketing & Growth

Content Creation 12 Video, Image & Audio 14 Getting Found in AI Search (AEO/GEO) 12 Ads & Performance Marketing 14 Social & Community 12

Sales & Customers

Sales Prospecting 13 Customer Support 6 CRM & Sales Calls 12

Operations & Back-office

Legal & Contracts 13 Finance & Accounting 3 Hiring & HR 3 Productivity 3 Workflows & Automation 3

Strategy & The AI-Native Founder

Fundraising 6 Prompting 3 Building Your AI Stack 3 AI as a Thinking Partner 4

Everyday AI

Choosing Your AI Assistant 8 Learning with AI 7 Working with AI Agents 7 Using AI Safely 8 AI in Indian Languages 7
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