AI Cites the IRS in 76.4% of Answers to Federal Tax Questions

    When people ask ChatGPT, Gemini or Google's AI features about federal tax, 76.4% of the answers cite irs.gov. Questions about state, sales and property tax, which the IRS does not cover, draw on tax software companies, a tax policy nonprofit and national publishers, and TurboTax's maker Intuit appears in more AI tax answers than any state revenue department.

    Tax answers citing irs.gov by engine
    ChatGPT
    41.2%
    Google AI Mode
    33.5%
    Google AI Overviews
    31.1%
    Gemini
    23.5%

    Source: Suff Digital analysis of 1,012 AI answers to 136 tax questions · answers from ChatGPT, Gemini and Google's AI features, September 2026

    Sourced AI tax answers citing it by website
    irs.gov
    34.7%
    taxfoundation.org
    19.9%
    intuit.com
    18.6%
    hrblock.com
    13.6%
    youtube.com
    11.7%
    stripe.com
    9.4%
    avalara.com
    8.9%
    smartasset.com
    8.5%
    aarp.org
    7.9%
    usa.gov
    6%

    Source: Suff Digital analysis of 1,012 AI answers to 136 tax questions · answers from ChatGPT, Gemini and Google's AI features, September 2026

    Source: AI Cites the IRS in 76.4% of Answers to Federal Tax Questions - Suff Digital