Best AI Tax Software in 2026

In short: Taxation.ai is ranked #1 of 33 as of 4 October 2026, ahead of ONESOURCE Certificate Manager and ONESOURCE Indirect Compliance. The best-ranked option with a free plan is TaxAct. The lowest first paid tier on this page is FlyFin at $1.33/mo.

Tax software with AI features can help with guidance, deduction discovery, document handling, and filing. Compared on AI tax guidance, deduction finding, and document import, these entries also distinguish themselves through expert review, filing support, taxpayer types, and return limits. Taxation.ai and EZTax lead the ranking, with TurboTax and TaxAct among the next entries to consider. Check the free-plan availability and paid-from price alongside the capabilities you need; the listed taxpayer types and return limits can help you narrow options for your filing situation. Use the stated order as a starting point, then weigh which combination of guidance and support fits your needs.

33 AI tax software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

33ranked
8free plans on this page
$1.33/molowest paid tier
4 Oct 2026last checked
#PlatformScoreWhyFromFree planPaid fromTaxpayer types
1Taxation.ai7.2
RecognisedAPIDocumented
$49/moYes15 one-timebothView
2ONESOURCE Certificate Manager6.6
RecognisedAPIDocumented
————View
3ONESOURCE Indirect Compliance6.4
RecognisedAPIDocumented
————View
4EZTax6.0
RecognisedAPIDocumented
₹208.25/moYes—bothView
5TaxAct6.0
RecognisedAPIDocumented
$44.99/moYes44.99 one-time—View
6TaxTim6.0
RecognisedAPIDocumented
—Yes—bothView
7H&R Block Online5.9
RecognisedAPIDocumented
FreeYes——View
8Keeper5.9
RecognisedAPIDocumented
—Yes—bothView
9Taxfix5.9
RecognisedAPIDocumented
€3.33/moYes—bothView
10TurboTax5.9
RecognisedAPIDocumented
$79/moYes79 one-time—View
11FlyFin5.8
RecognisedAPIDocumented
$1.33/moNo—bothView
12IndiaTax.AI5.8
RecognisedAPIDocumented
—No—bothView
13TelosTax5.8
RecognisedAPIDocumented
FreeYes—personalView
14Instead5.7
RecognisedAPIDocumented
FreeYes——View
15Quicko5.7
RecognisedAPIDocumented
₹999/moYes——View
16Filabl5.5
RecognisedAPIDocumented
—Yes—bothView
17Prime Meridian5.5
RecognisedAPIDocumented
—Yes—personalView
18Bart5.4
RecognisedAPIDocumented
—Yes—personalView
19OpenTax5.4
RecognisedAPIDocumented
—Yes—personalView
20OpenTax by Invaro5.4
RecognisedAPIDocumented
—Yes—bothView
21SelfTax5.4
RecognisedAPIDocumented
—Yes—personalView
22ProConnect Tax5.3
RecognisedAPIDocumented
$17.50/moNo——View
23TaxBuddy5.3
RecognisedAPIDocumented
₹58.25/moNo——View
24TaxGPT5.2
RecognisedAPIDocumented
—No——View
25BharatTax AI5.0
RecognisedAPIDocumented
———bothView

Is your platform on this list?

Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.

Questions about this list

Which AI tax software is ranked first on Inferse?

Taxation.ai is ranked #1 of 33 with a score of 7.2. ONESOURCE Certificate Manager is second and ONESOURCE Indirect Compliance third.

How many of these have a free plan?

8 of the 25 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, FlyFin has the lowest first paid tier we found: $1.33/mo.

How is this list ranked?

Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.

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