While prepping for the HRCI Senior Professional in Human Resources (SPHR) exam, I tapped some of the most popular large language models (LLMs) for help—dissecting tricky questions, reviewing case law, and even generating a few sample scenarios.

But I quickly learned: the nuance and judgment required for real HR situations often left the AIs stumped—and sometimes squabbling with each other over the “right” answer. So, in the spirit of breaking up my own study grind, I decided to flip the script and put them to the test. Ten questions. Only one shot at HR glory. Who would ace it, and who’s still fetching coffee in the HR intern bullpen?

See how it went below. If there’s one thing these AIs never lacked, it was confidence.