- AI tax software at a glance
- Nine AI tax tools
- Matching AI tax software to who does the work
- Who signs your return matters more than the software
- Research assistant, preparation tool or filing service?
- Questions to ask before AI touches your taxes
- Signs your tax work could use AI
- My plain advice on AI tax software
- Frequently asked questions
AI tax software uses AI to research tax questions, prepare and check returns, find deductions or handle sales tax compliance. Some tools are for tax professionals and firms, others are filing services for freelancers and small business owners, and one covers sales tax for online sellers. Nine options follow in no particular order.
Tax work is mostly reading: rules, receipts, the previous return, the latest rule changes. That's exactly the kind of work AI has got good at.
The nine tools below put it to use. They're listed alphabetically and in no particular order, and every description comes from the vendor's own website, read this week. If you're self-employed and doing your own return, my tax tips for the self-employed are a good companion.
AI tax software at a glance
I checked the free plan column on each tool's own website, as of Oct 2026. Yes means the site names a free plan, a free version, a free account, a free edition, a free tool or an open source release. Trial only means a time-limited trial. Not stated means the pages I read named neither, even where there's a button inviting you to try it, so check the vendor's page before you sign up.
| Tool | Type | Good for | Free plan |
|---|---|---|---|
| Bizora | AI tax research platform | Solo CPAs and small firms | Yes |
| Black Ore | Autonomous tax preparation for firms | Automating individual returns at a practice | Not stated |
| Blue J | AI tax research platform | Answering tax research questions fast | Trial only |
| Filed | AI tax preparation and review software | Preparing and checking business returns | Not stated |
| FlyFin | AI and CPA tax service for freelancers | Self-employed people who want deductions found | Not stated |
| Instead | AI agent for tax planning and filing | Planning across several entity types | Not stated |
| Keeper | Tax platform pairing AI with accountants | Owners with business expenses to track | Not stated |
| Kintsugi | Sales tax automation and compliance | Online sellers dealing with sales tax | Not stated |
| TaxGPT | AI tax assistant for professionals | Cited answers to complex tax questions | Not stated |
Nine AI tax tools
Bizora
Best for: Solo CPAs and small firms who want AI tax research answers they can put in a client file, with a free account to try it.
Black Ore
Best for: Accounting firms that want an autopilot for individual return preparation, with partnership and trust returns listed as coming soon.
Blue J
Best for: Tax professionals at firms of all sizes who want AI tax research with agentic workflows, with a short free trial.
Filed
Best for: Tax practices that prepare individual, partnership and corporate returns and want automated quality review before sign-off.
FlyFin
Best for: Freelancers and the self-employed who want AI to find deductions and an expert CPA to file the return for them.
Instead
Best for: Advisers and owners who want one AI agent with context across personal, corporate, partnership and trust returns for planning and filing.
Keeper
Best for: Freelancers and small business owners who want expenses tracked all year and AI to spot missed savings, with human accountants to file.
Kintsugi
Best for: Online sellers and software companies that want sales tax exposure, registrations, calculation and filings handled, with an AI engine behind it.
TaxGPT
Best for: Accountants and tax professionals who want citation-backed research answers, tax prep help and planning ideas inside their existing software.
Matching AI tax software to who does the work
- Freelancers who want deductions found: FlyFin or Keeper.
- Tax research with cited answers: Blue J, Bizora or TaxGPT.
- Firms automating individual returns: Black Ore.
- Preparing and checking business returns: Filed.
- Planning across several entity types: Instead.
- Online sellers with sales tax: Kintsugi.
Who signs your return matters more than the software
The Internal Revenue Service says anyone can prepare tax returns for others as long as they have an IRS Preparer Tax Identification Number (PTIN), and that preparers have differing levels of skills, education and expertise.
AI can read documents, suggest deductions and check a return for mistakes. When a person signs it for you, though, check their credentials too, because a PTIN on its own isn't a qualification. The IRS keeps a directory of preparers with recognised credentials.
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Research assistant, preparation tool or filing service?
A research assistant answers tax questions with references, for professionals who still make the call.
A preparation tool drafts returns inside a firm's workflow, with review before sign-off.
A filing service does the job for you, often pairing AI with human accountants, which is the shape most freelancers want.
Questions to ask before AI touches your taxes
- Does it cite the rule behind each answer?
- Who reviews the return before it's filed?
- Which forms and entity types does it cover?
- How is your financial data stored and protected?
- Does it work with your accounting or tax software?
- What happens if the tax office asks questions later?
Signs your tax work could use AI
- Receipts pile up until year end. Track them all year.
- Research questions eat billable hours. Get cited answers.
- Returns need a second pair of eyes. Add automated review.
- Sales tax rules confuse you. Automate compliance.
Do you make AI tax tools? Tool makers can ask to be considered for a featured place on this list.
My plain advice on AI tax software
Treat AI tax answers like advice from a bright junior: useful, fast and worth checking. Ask it to show the rule it's relying on, then read that rule yourself or put it in front of your accountant before you act.
Wondering when to bring in a professional? My piece on hiring a CPA or filing yourself walks through the choice.
Frequently asked questions
What is AI tax software?
It's software that uses AI to research tax questions, prepare or review returns, find deductions or manage sales tax, either for professionals or for people filing their own taxes.
Can AI file my taxes for me?
Some services use AI to prepare the return and have human accountants file it. Check who signs and who's responsible for accuracy.
Is AI tax advice reliable?
It's a strong first draft. Ask for the source of each answer and have a qualified person check anything that changes what you owe.
Is there free AI tax software?
Some tools offer a free account or a free trial. Check the free plan column above and confirm on each vendor's site.
Is AI tax software only for the US?
Most of the tools above are built around US tax forms. Sales tax tools may cover other countries, so check coverage before you sign up.
Can AI help with sales tax for my online shop?
Yes. Sales tax tools can monitor where you've built up obligations, register you and file returns.
