Response review
ChatGPT · paid, api, api · api
Who is my U.S. representative in CA-21?
Captured 2026-07-10 20:20:45 UTC
Model gpt-5-2025-08-07
As of July 10, 2026, your U.S. Representative for California’s 21st congressional district (CA-21) is Rep. Jim Costa (Democrat). ([house.gov](https://www.house.gov/representatives?utm_source=openai))
Cited sources
Grade
Judge
accurate
Judge model claude-opus-4-8
The response correctly identifies Jim Costa as the U.S. Representative for CA-21, matching the ground truth.
Human
not reviewed
Final
accurate
Ground truth
representative: Jim Costa
clerk.house.gov 100
as of 2026-07-07