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Politics · Asked June 26, 2026
Which tax system is fairer: flat or progressive?
Verdict
Majority
2 of 3 models chose Progressive tax
67%agree
Where the models landed
Progressive tax
2 of 3
ChatGPT
It is fairer because it asks more from those with greater ability to pay while reducing the burden on lower incomes.
Claude
Taxing income at rates rising with ability to pay distributes the burden more equitably than a flat rate that weighs far heavier on those with the least.
Neither
1 of 3
Gemini
Flat taxes prioritize horizontal equity through equal rates, while progressive taxes prioritize vertical equity based on the ability to pay.