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
- 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
- 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
- 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
- 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
- 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
What founders use most, ranked by how many answers lean on it.
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Video
Rapidly test and validate any startup idea with the 2-day Foundation Sprint
Jake Knapp & John Zeratsky
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Video
How to Validate Your Startup Idea for $50 (Same Method That Built a $100M Brand)
YouTube creator (DTC founder)
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Video
How to Validate Your Startup Idea Using AI Tools
YouTube creator (startup tools)
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Video
Kevin Hale - How to Evaluate Startup Ideas
Y Combinator
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Video
How to use AI to do quick competitive analysis
YouTube creator (product marketing)
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Video
How to use AI for Competitor Analysis in Product Marketing (in 5 mins)
YouTube creator (product marketing)
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Video
Create a McKinsey-Level Competitive Analysis with AI!
YouTube creator (AI for business)
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Video
Build an AI Competitor Analysis Agent (No-Code Tutorial)
YouTube creator (automation)
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Video
Build an AI Competitor Analysis Tool with Lovable AI & Firecrawl | Full Tutorial
YouTube creator (dev tutorials)
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Video
AI Competitors Analysis: The Only AI Workflow I Trust
YouTube creator (marketing ops)
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Video
Miro Flows Tutorial: Automate Competitor Analysis with AI
Miro
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Video
The RIGHT Way to Calculate your Market Size (TAM/SAM/SOM)
YouTube creator (startup finance)
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Video
How to Size Your Market (TAM SAM SOM) the RIGHT WAY
YouTube creator (startup funding)
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Video
Why Everyone Gets TAM Market Sizing WRONG: Explained by a VC
VC (YouTube)
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Video
How to Size Your Addressable Market (TAM, SAM, SOM, top-down vs. bottom-up)
YouTube creator (startup education)
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Video
How To Size Your Market (TAM, SAM, SOM Explained Simply)
YouTube creator (startup education)
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Video
Must watch before you start up | TAM SAM SOM | Market size calculation
YouTube creator (startup education)
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Video
Market research with ChatGPT
YouTube creator (AI tutorials)
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Video
ChatGPT Deep Research: Turn Market Analysis into Revenue (Full Guide)
YouTube creator (AI for business)
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Video
Unlocking ChatGPT's Deep Research: Marketing Innovation w/ HubSpot CMO Kipp Bodnar
HubSpot (Kipp Bodnar)
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Video
How to Use ChatGPT Deep Research: Generate Reports
YouTube creator (AI tutorials)
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Video
How I used ChatGPT to do my niche's market research (in 20 min)
YouTube creator (solopreneurship)
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Video
How To Talk To Users | Startup School
Y Combinator (Gustaf Alströmer)
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Video
[The Mom Test] AI can't run your customer interviews (but it *can* help in other ways)
Rob Fitzpatrick
Playbooks
A goal, and the route through it a step at a time.