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 360 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. The leading open-source LLM observability platform: traces, costs, evals, and prompt management. langfuse.com Tool Langfuse Langfuse
  2. A jargon-free primer on what you should be recording and why. langfuse.com Article What is LLM Observability and Monitoring? Langfuse
  3. The managed alternative, strongest if you already build on LangChain. langchain.com Tool LangSmith Observability LangChain
  4. A follow-along tutorial that gets tracing live in your app quickly. towardsdatascience.com Guide LLM Monitoring and Observability: Hands-on with Langfuse Towards Data Science
  5. A current comparison so you choose once instead of migrating later. confident-ai.com Article Top 7 LLM Observability Tools Confident AI
  6. Explains traces, spans, and generations with the main tools side by side. langflow.org Article LLM Observability Explained (Langfuse, LangSmith, LangWatch) Langflow
  7. The operations chapter: daily habits of teams that keep LLM features healthy in production. oreilly.com Article What We Learned from a Year of Building with LLMs (Part II): Operations Eugene Yan, Hamel Husain, et al.
  8. A menu of AI-specific metrics beyond DAUs, from acceptance rate to cost per active user. mixpanel.com Article 30+ AI product metrics to track today Mixpanel
  9. Includes the killer diagnostic: compare AI-user retention curves against your product baseline. institutepm.com Guide AI Product Metrics That Actually Matter Institute of Product Management
  10. Connects AI feature metrics to the board-level numbers investors ask about. thesaasbarometer.substack.com Article AI Metrics that Matter in 2025 SaaS Barometer
  11. Last's first outside interview on the practical engineering of a reliable AI product at scale. open.spotify.com Podcast How Notion Cofounder Simon Last Builds AI for Millions of Users AI and I (Dan Shipper, Every)
  12. A setup-to-dashboards walkthrough for self-hosting the free stack. prismix.dev Guide Langfuse Guide: Open-Source LLM Observability and Tracing Prismix
  13. An India-based engineering firm's field guide to the metrics and tooling that matter. cloudraft.io Article LLM Observability: Monitoring Large Language Models CloudRaft (India)
  14. Monitoring and optimization together, from an India-founded AI quality platform. getmaxim.ai Article How to Reduce LLM Cost and Latency: A Practical Guide for Production AI Maxim AI (India)
  15. Updated adoption frameworks that treat AI feature usage as its own funnel. userpilot.com Article How to Measure Product Adoption: Metrics for Human Users and AI Agents Userpilot
  16. Useful for B2B founders whose buyers now ask for AI usage reporting. capably.ai Article Measuring AI Adoption Metrics Capably
  17. Why accuracy alone is a vanity metric and what to track instead. stackai.com Article Measuring Enterprise AI Success: Essential KPIs Beyond Accuracy StackAI
  18. Video How Perplexity works | Aravind Srinivas and Lex Fridman Lex Fridman
  19. Video Can Perplexity beat Google? | Aravind Srinivas and Lex Fridman Lex Fridman
  20. Video Perplexity CEO explains RAG: Retrieval-Augmented Generation Lex Fridman
  21. Video Nikhil Kamath ft. Perplexity CEO Aravind Srinivas | WTF Online Ep 1 Nikhil Kamath (WTF)
  22. The Wharton professor's definitive framing of the shift from searching for links to delegating research. oneusefulthing.org Article The End of Search, The Beginning of Research Ethan Mollick
  23. The primary source on how ChatGPT blends live web results with a conversational interface. openai.com Article Introducing ChatGPT search OpenAI
  24. Google's CEO pressed hard on what AI answers do to the web, straight from the incumbent's mouth. podcasts.apple.com Podcast Google's Sundar Pichai on AI-powered search and the future of the web (Decoder) Nilay Patel, The Verge

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 20 Databases & Internal Tools 11 AI Agents 15 Design & Prototyping 14 AI in Your Product 15

Research & Knowledge

Search & Research 16 Market Research 13 Data Analysis 13

Marketing & Growth

Content Creation 14 Video, Image & Audio 27 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 5 Workflows & Automation 3

Strategy & The AI-Native Founder

Fundraising 6 Prompting 4 Building Your AI Stack 5 AI as a Thinking Partner 5

Everyday AI

Choosing Your AI Assistant 15 Learning with AI 8 Working with AI Agents 8 Using AI Safely 9 AI in Indian Languages 8 Quick Fixes for Files, Photos and Video 26 AI for Your Line of Work 12
eChai Partner Brands The partnership →