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AI vs. AI: The Battle for 2026’s Best Investment Thesis

How Six Leading LLMs Rank Each Other’s Portfolio Advice—and What It Reveals About the Future of Finance

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Bill Cara
Dec 29, 2025
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Executive Summary

This analysis presents a unique metacognitive experiment: six leading AI platforms (Claude, Gemini, ChatGPT, DeepSeek, SuperGrok, and Perplexity) were asked to predict the defining business story of 2026 and provide portfolio guidance. Their responses were then subjected to mutual evaluation, with each AI ranking the others based on inv…

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