Can You Trust ChatGPT With Your Small Business Taxes? What a 2026 Head-to-Head AI Test Found
NerdWallet's 2026 test of ChatGPT, Gemini, and Perplexity found all three chatbots nearly aced IRS exam-style tax questions but made costly errors on personalized advice — misstating the standard deduction by nearly $3,000, claiming an ineligible EV credit, and recommending the wrong filing state — showing AI is reliable for factual lookups but not for case-specific tax decisions.
