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·7 hr ago·Dev community · RSS

GPT-6-Astra's tax return underpays the government

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A recent demo of GPT-6-Astra's capabilities showed it filling out a Form 1040 for a tax situation. However, the AI calculated an incorrect tax amount of $4165.50 for a taxable income of $36700, when the correct amount, according to IRS Publication 17, should be $4169. This discrepancy suggests Astra may have used marginal tax rate formulas instead of the required tax table, raising questions about its output validation and its classification as an AGI model.

One of the demos of Astra's computer use abilities in their blog post (https://openai.com/index/gpt-6-astra/) has it fill out a Form 1040 for a relatively simple tax situation.

The problem is that it's wrong. For one, this is clearly not the f1040 PDF you get off the IRS website; it's a seemingly-AI-concocted HTML rendering of it with a completely different layout, hosted on a local web server. I doubt that the IRS would accept this if you printed it and mailed it in.

Second, almost everyone puts whole dollars in on their forms. That Astra chose otherwise is a bit unconventional. But there's an even more glaring problem - at a taxable income of $36700 you are obligated to pay $4169, not $4165.50 [in tax]( https://www.irs.gov/publications/p17 ). Astra appears to have used the marginal tax rate formulas but the IRS requires you to use the tax table.

I am a big proponent of AI and I think it won't be long before it takes over most white-collar work. But it's hard to say that Astra is an AGI model if it doesn't do basic validation of its output.