TaxCalcBench

OpenTax, an open-source deterministic tax computation engine, scored 96% exact returns on the TaxCalcBench benchmark, outperforming every AI model and engine ever measured, including GPT solutions and…

Researchers released TaxCalcBench, an open-source benchmark evaluating AI models' ability to file taxes using realistic PDF inputs for federal and state returns. GPT-5.4 Pro achieved the highest stric…

A developer argues that large language models should never have the final say on money-moving decisions like tax, discounts, and pricing. Citing TaxCalcBench, which shows frontier models like Gemini 2…