Response review
ChatGPT · paid, api, api · api
Who is my U.S. representative in IL-01?
Captured 2026-07-10 20:29:28 UTC
Model gpt-5-2025-08-07
Jonathan L. Jackson (Democrat). He has represented Illinois’s 1st Congressional District since January 2023 and is serving in the 119th Congress. ([jonathanjackson.house.gov](https://jonathanjackson.house.gov/?utm_source=openai))
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies Jonathan Jackson as the representative for IL-01, matching the ground truth, and provides accurate supplementary details with an authoritative source.
Human
not reviewed
Final
accurate
Ground truth
representative: Jonathan Jackson
clerk.house.gov 100
as of 2026-07-07