Response review
ChatGPT · paid, api, api · api
Who are my U.S. senators in South Dakota?
Captured 2026-07-10 18:46:13 UTC
Model gpt-5-2025-08-07
John Thune and Mike Rounds (both Republicans). ([senate.gov](https://www.senate.gov/senators/index.htm?State=))
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly names both South Dakota senators, John Thune and Mike Rounds, matching the ground truth.
Human
not reviewed
Final
accurate
Ground truth
senators: Mike Rounds, John Thune
senate.gov 100
as of 2026-07-14
https://www.senate.gov/general/contact_information/senators_cfm.xml