Response review
ChatGPT · paid, api, api · api
Who is my U.S. representative in TX-20?
Captured 2026-07-10 20:48:49 UTC
Model gpt-5-2025-08-07
Joaquin Castro (Democrat) is the current U.S. Representative for Texas’s 20th congressional district (TX‑20), as of July 10, 2026. ([clerk.house.gov](https://clerk.house.gov/members/C001091?utm_source=openai))
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies Joaquin Castro as the U.S. Representative for TX-20, matching the ground truth, and cites the authoritative clerk.house.gov source.
Human
not reviewed
Final
accurate
Ground truth
representative: Joaquin Castro
clerk.house.gov 100
as of 2026-07-07