I Used An AI Tool To Do My Taxes – Here's Where Experts Say I Went Wrong
By CNBC Make It
Summary
Topics Covered
- AI Tax Advice May Be Based On Old Data
Full Transcript
Tax time for me is usually pretty straightforward. I get my W2, enter the
straightforward. I get my W2, enter the information into my tax software, E file, and I'm done. But last year was a little different. To raise funds for my
little different. To raise funds for my upcoming wedding, I sold most of the shares I had bought over the years [music] through my company's employee stock purchase plan. And that meant I might owe capital gains tax. But instead
of asking a tax pro for advice, I tested out an increasingly popular route.
[music] More than one in five taxpayers say they're planning on using AI to help file their 2025 taxes. [music]
I was a little skeptical about trusting an AI chatbot with my taxes, but any doubts I had fizzled [music] out under ChatGpt's cheerfully helpful demeanor.
And because I was using a paid corporate version of the software that wouldn't use my data to train OpenAI's [music] models, I felt comfortable uploading the consolidated 1099 from my brokerage firm. Chat GBT broke down the
firm. Chat GBT broke down the information I needed into easyto read bullet points and told me that all I [music] had to do was swap one number from my 1099 for another before filing.
Easy enough, right? But just to be on the safe side, I checked with the CPA.
Turns out things weren't so simple.
Ask any AI model, can I deduct my dog?
And the the answer that that I would give as a professional is it depends because it covers our butts, right? But
if you if you ask, can I deduct my dog?
It will start off with yes. And I think the challenge that you have is how many people just [music] stop reading after they get the answer that they want to hear. A number ChatGpt told me [music]
hear. A number ChatGpt told me [music] was almost certainly right was one I needed to actually calculate and verify.
The tax bro told me. Plus, my 1099 had some fishy data Chat GPT hadn't told me [music] about because I didn't think to ask. It's a small enough error to make,
ask. It's a small enough error to make, but it shows how easy it is to follow AI's advice without [music] doing further research. I literally took a
further research. I literally took a question from my exam not more than a couple of weeks ago. Loaded the question in. What I love about those responses
in. What I love about those responses is, boy, the [music] AI will convince you that the sky is green, right? It is
so convincing. And it gave me this this [music] response that the mechanics were perfect, but I had to take a step back and say, well, you're wrong.
Part of the problem is that large language models may be trained on antiquated tax information.
In many instances, the data that goes into a model might be 9 or 18 months old, and it could actually be very much older than that. And obviously tax laws
change, right? There's the the recent
change, right? There's the the recent one big beautiful bill act that changed the code pretty significantly. Where is
it going to verify that information? Is
it going to find an article from 2024, [music] 2025, or 2026? And the difference obviously can sway the the results and the accuracy of whatever you're using it
for [music] wildly. If you're planning on using an AI for help with your taxes, experts say it's best to use a thinking model rather than an instant chatbot.
Some premium plans from AI firms allow [music] you to toggle between thinking and instant mode. But most free versions of chatbots are not thinking [music] models. You should also be aware of
models. You should also be aware of whether an AI firm is using the information you upload to train its software. Even though that information
software. Even though that information isn't shared publicly, [music] you probably don't want Chat GBD to have access to your social security number.
And whether you're using an AI or not, it's probably best to doublech checkck any questions you have with a tax expert.
If you make a mistake while [music] using AI to do your taxes, it could get you in trouble with the IRS. And a valid excuse isn't, "Well, the AI made me do it.
[music]
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