ZeroTax.ai is an AI question-and-answer service for United States federal tax questions. A visitor types the question they would put into Google, such as whether a home office can be deducted, whether an IRS payment has gone through, or whether crypto creates a tax bill, and gets a plain-English answer in seconds from a chat widget. The site calls itself the original TaxGPT and says it has run since 2023, and it advertises answers backed by licensed tax professionals. It is separate from TaxGPT at taxgpt.com, which is listed in this directory as a tool for tax professionals.
Access is limited. The site states that it answers United States federal tax questions and is available to visitors in the US, and it returned a legal-restriction error (HTTP 451) from outside the US, so its pricing pages could not be reviewed first-hand. The front page advertises 5 free questions a month and a Talk to a tax pro option. Search listings and third-party directories describe paid unlimited passes from $5 and a review of an AI answer by a licensed professional, such as a CPA, enrolled agent or tax attorney, for about $50, but those figures should be confirmed on the site. The model behind the answers and the operating company are not named.
Tax outcomes carry real financial and legal consequences. An AI answer can be wrong, out of date or blind to a taxpayer’s particular facts, and this service covers federal rules only, so state and local tax, and any audit or IRS notice, need a professional. Treat the free answers as a starting point, check important ones against IRS guidance, and use the paid human review or your own preparer before filing or replying to the IRS.

