Article

I Tried ChatGPT and Google Gemini's Deep Research (for business planning)

LivePlan · liveplan.com

Tests both agents on actual business-plan research so you see the output quality gap.

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The question it answers

  1. How do founders use AI for market research and market sizing (TAM/SAM/SOM)?

Read with it

  1. A respected SaaS operator's real workflows for market and GTM research with deep research. growthunhinged.com Article How to use Deep Research for GTM Kyle Poyar, Growth Unhinged
  2. 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
  3. A founder-level walkthrough from question to structured, cited market report. validatemysaas.com Guide How to Use ChatGPT's Deep Research for Market Research Validate My SaaS
  4. 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
  5. 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
  6. 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
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