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I have a company abroad in addition to living abroad. It’s kind of a nightmare to do my US taxes and costs me easily $2000 per year right now. I was hoping I could have an agent do them after I have a few years of data and point it at the source statements and the end result forms
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I also had a great experience consulting LLM regarding registering a business as a foreigner. Except I'm still very sceptical since it's not my area of expertise and consequences for a mistake are very high.
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you were consulted by an LLM?
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He said he's a foreigner, almost certainly a mistranslation.
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Embarrassing...
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I'm also in a non-trivial tax situation, GPT Sol did better than my specialist accountant this year. It needed a lot of steering from me and about 2B tokens, but that is better than spending $3-4k in preparation fees. Total time to prepare and handle steering was still less than I normally spend on tax prep with my accountant.

I think what helped is giving it 100+ pdf and csv documents of my full situation so it knew everything about me and could cross-reference with all my bank statements.

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Is it unusual for Americans to spend that much on tax returns?
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So, GPT Sol outputted tax return PDFs that you were able to submit to the IRS? (I'd imagine that you couldn't directly e-file like you could from TurboTax.)
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Correct, it first did it in a spreadsheet, then filled out 59 pages of returns and supplement forms and I printed and posted it. It also filed my FBAR.
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I don't know that I'd trust it with an FBAR given it's an interactive PDF myself, but good to hear that it was able to do it - maybe I'll get fed up doing the FBAR manually one year and trust an agent to do so.
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Amazing story!! Honestly, thanks for sharing so completely.
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> I have a non-trivial tax situation, as a US citizen living abroad.

Same situation as you. I have a local accountant in the country I'm in plus my US accountant. Claude/ChatGPT have been a huge help for checking, explaining, and finding issues. They also found websites with pertinent information that Google did not, which surprised me.

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Similarly, had Claude look at my past returns and found mistakes in my records.

I had it prepare an analysis and then found a professional to confirm everything and then handle doing the amendment.

Definitely useful as a second pair of eyes.

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https://claude.com/marketplace/connectors/aiwyn-tax

Try this, it uses a tax engine as the backbone and provides feedback for Claude if it goes off the rails. Albeit it doesn't support every tax scenario.

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I appreciate the recommendation, but as it happens I have already solved the estimated issue (mostly by just preparing a full return with estimated next year's figures, which while time-heavy is going to be more accurate). And for what it's worth, I suspect it wouldn't work for me - cross-border is extraordinarily complicated because of the tax treaties (indeed there is a dedicated IRS form to disclose the effect and rationale of any treaty based position), and given there is no obvious note on the documentation for it that there is cross-border support I doubt there is.

(And as I said to another commenter, I think it would be advisable in this thread for people to expressly acknowledge or disclaim any interest in or prior experience with any particular product)

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check out https://www.multiplierholdings.com/

it's the most ai-native tax experience for US citizens abroad

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Are you saying I should use this (or it looks like one of their portfolio companies) as my return preparer, or as a replacement for Claude my return-checker? If the former, I would want to know why I should trust it; if the latter, I would want to know why I should pay for their services given I am already playing Anthropic for a subscription plan anyway.

(It would also help to know if you had a financial interest in or prior experience with this company)

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