Top AI models wrong on 57% of financial queries, 88% on complex multi-step questions

johncrickett · x · 2026-09-20

John Crickett cites benchmark results: the most popular AI models from ChatGPT, Claude, Copilot, Grok and Gemini gave wrong answers to financial queries 57% of the time.

On more complex questions involving multiple calculations, models averaged 88% error rates, with some models wrong on 99% of the harder questions — yet people still claim they use AI to evaluate bank statements and generate tax returns.

Related event: FT Report Claims AI Chatbots Mostly Wrong on Finance; Mollick Questions Methodology(6 posts)→

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