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I ran 7 AI investing experiments. Then turned the results into a free diagnostic tool.

I ran 7 AI investing experiments. Then turned the results into a free diagnostic tool.

【Body】
For the past few months I've been running experiments: asking 8 different AIs the exact same investing questions and comparing their answers.

One pattern kept showing up. Every AI — whether it was Claude, GPT-4, Gemini, or DeepSeek — landed in one of 4 investing schools: Index, Value, Growth, or Trend.

So I built a free tool that puts you through the same diagnostic. 5 questions, then you get:

  • Your investing school + fit score
  • An "AI committee verdict" (what all 8 AIs think of your profile)
  • A ready-to-use Prompt Library for your school

It's free, no signup, runs in the browser:
https://ordinarymantrying.com/tools/ai-invest-os.html

Would love feedback from people who actually use AI for investing decisions.

on July 25, 2026