Response review
ChatGPT · paid, login_required, browser · local_node
Who are my U.S. senators in South Dakota?
South Dakota's two current U.S. senators are: John Thune (Republican) — South Dakota's senior senator. He has served in the Senate since 2005, and his current term expires in 2029. South Dakota Secretary of State Mike Rounds (Republican) — South Dakota's junior senator. He has served in the Senate since 2015, and his current term expires in 2027. South Dakota Secretary of State +1
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies 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