Response review
ChatGPT · paid, api, api · api
Who is my U.S. representative in IN-08?
Captured 2026-07-10 20:31:27 UTC
Model gpt-5-2025-08-07
Mark B. Messmer (Republican) is the U.S. Representative for Indiana’s 8th Congressional District (IN‑08), serving since January 3, 2025. ([clerk.house.gov](https://clerk.house.gov/Members/M001233?utm_source=openai))
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies Mark Messmer as the U.S. Representative for IN-08, matching the ground truth, with accurate additional details and a valid authoritative source.
Human
not reviewed
Final
accurate
Ground truth
representative: Mark Messmer
clerk.house.gov 100
as of 2026-07-07