# What Claude (Anthropic) with web search answered for tax preparation software (nonprofits) on 2026-10-21

## In short

On 2026-10-21, Claude (Anthropic) with web search was asked "best tax preparation software for nonprofits". It named 10 brands; the first six, in order, were Tax990, 990-PF, 990-T, ExpressTaxExempt, File990 and File990.org.

| Fact | Value |
| --- | --- |
| Question | best tax preparation software for nonprofits |
| Asked on | 2026-10-21 |
| Engine | Claude (Anthropic) with web search |
| Model | claude-opus-5 |
| Brands named | 10 |
| Sources cited | 7 |
| Audience | nonprofits |
| Coverage | Coverage: Claude (Anthropic) with web search. Other engines not included. |
| Last verified | 2026-10-21 |

Page: https://bikoosh.com/answers/s/tax-preparation-software-nonprofits-2026-10-21
Coverage: Claude (Anthropic) with web search. Other engines not included.

## The answer, as recorded

Asked on 2026-10-21 through Claude (Anthropic) with web search (model claude-opus-5).

> Searched. Here's what I'd actually recommend, in order:
> 
> ## 1. The IRS's own Form 990-N e-Postcard - free
> If your gross receipts are normally **$50,000 or less**, don't buy software at all. The IRS's e-Postcard system is free, takes about ten minutes, and asks for eight pieces of information. The single most common nonprofit tax mistake is a small org paying a vendor for something the IRS gives away. ([irs.gov](https://www.irs.gov/e-file-providers/e-file-for-charities-and-nonprofits), [irs.gov](https://www.irs.gov/Charities-&-Non-Profits/Exempt-Organizations-e-File-e-Postcard))
> 
> ## 2. Tax990 - best overall for a nonprofit filing its own return
> This is my default recommendation for anyone past the 990-N threshold. It covers the whole series (990-N, 990-EZ, 990, 990-PF, 990-T) plus state filings, so you don't have to switch vendors when you grow. All required schedules are included at no extra cost - important, since schedules are where competitors nickel-and-dime you. It has an internal audit check, prior-year import, interview-style *or* direct form entry, and free retransmission if the IRS rejects, free extensions, and a free first amendment. Pricing is **$99.90 for a 990-EZ and $

## Brands named, in the order the engine gave

| Position | Brand | How it was named |
|---|---|---|
| 1 | Tax990 | recommended |
| 2 | 990-PF | mentioned |
| 3 | 990-T | mentioned |
| 4 | ExpressTaxExempt | recommended |
| 5 | File990 | mentioned |
| 6 | File990.org | mentioned |
| 7 | EIN | mentioned |
| 8 | Aplos | mentioned |
| 9 | Lacerte | mentioned |
| 10 | UltraTax CS | mentioned |

## Sources the engine cited

- https://www.irs.gov/e-file-providers/e-file-for-charities-and-nonprofits (reference)
- https://www.irs.gov/Charities-&-Non-Profits/Exempt-Organizations-e-File-e-Postcard (reference)
- https://tax990.com/pricing (vendor)
- https://support.tax990.com/art/17694/what-services-are-included-in-the-pricing (vendor)
- https://www.file990.org/blog/best-nonprofit-tax-software-available-even-novice-treasurer (vendor)
- https://www.wikipedia.com/wiki/Aplos_Software (other)
- https://www.capterra.com/p/10041549/Tax990/ (review)

The question page: https://bikoosh.com/answers/q/tax-preparation-software/nonprofits

Alerts and membership: Answer Watch Pro, 79 USD per month: https://bikoosh.com/answers. Bikoosh is monitoring assistance, not complete protection.

Answer Watch records what one AI answer engine said on one date, nothing more. Each page names the engine and the model, carries the date the question was asked, and lists the brands that appeared in the answer in the order the engine gave them, with the sources it cited. It is a measurement, not a ranking, not a recommendation and not a claim about the world. Brands that did not appear in an answer are not named on any public page. Coverage: Claude (Anthropic) with web search. Other engines not included.