How to Validate Your AI Startup Idea FAST (Step-by-Step)
A founder who scaled RB2B/Retention.com walks through a fast, no-fluff validation process for AI-era startup ideas.
Open youtube.com →3 questions founders actually ask, each with a straight answer and the resources worth your time.
Start by making an AI chat (ChatGPT or Claude) attack your idea, not cheer for it: ask who exactly the customer is, what they use today, and 'steelman the case against this idea.' Then use AI tools to build a simple landing page in a day, share it in a few communities (Reddit, X, WhatsApp groups), and watch whether strangers actually sign up. AI compresses weeks of desk research and building into hours, but the real validation signal still comes from real people responding with their email or money.
A founder who scaled RB2B/Retention.com walks through a fast, no-fluff validation process for AI-era startup ideas.
Open youtube.com →Tackles the biggest trap, AI agreeing with you, with copy-paste adversarial prompts and a clear go/no-go checklist.
Open aicodex.to →First-person case study: ChatGPT + Framer + $32 to get a validation page live and pulling real traffic in a weekend.
Open dev.to →The internet's best-known idea-validation practitioner shares his AI-assisted playbook for finding and testing demand.
Open x.com →Use a deep-research mode (ChatGPT Deep Research, Perplexity, or Claude) with a prompt like 'find my top 10 competitors, compare their pricing, features, and customer complaints, and put it in a table', it will read pricing pages, review sites, and forums for you in minutes. Treat the output as a strong first draft: AI is known to invent prices and fake sources, so click through and verify anything you will act on. Then ask the AI to find the gap, what everyone else says that you won't, and what you can own, to sharpen your positioning.
The founder of competitor-tracking tool Panoramata shows the exact AI workflow he actually trusts for competitive analysis.
Open youtube.com →Step-by-step Deep Research walkthrough with ready prompts for comparing competitor pricing, features, and positioning.
Open validatemysaas.com →Unusually honest: shows what ChatGPT does well for competitor mapping and documents the fabricated-pricing failures to watch for.
Open klue.com →A sharp VC-eye view of how AI collapses the cost and time of market research, useful for knowing what's now possible.
Open a16z.com →Ask an AI deep-research tool to size your market two ways: top-down (what analyst reports say the industry is worth) and bottom-up (how many target customers exist times what you'd charge each per year), and make it show every assumption and source. Then sanity-check the numbers against competitor revenues and real counts like LinkedIn company searches, because investors care far more about your bottom-up logic than a giant headline number. AI turns two or three days of analyst grunt work into an hour, but you own the assumptions.
Copy-paste Deep Research prompt for TAM/SAM/SOM plus four sanity checks (competitor revenue, LinkedIn counts, adversarial prompting).
Open saas-hackers.com →A product leader's seven-step framework with example prompts for building TAM, SAM, and SOM estimates from real data sources.
Open productside.com →Free prompt templates for agent-driven sizing, TAM/SAM/SOM with method, assumptions, and evidence, adaptable to any AI tool.
Open manus.im →The same Deep Research workflow extends to sizing: its C.P.R. prompting method keeps market numbers sourced and checkable.
Open validatemysaas.com →