Response review
Grok · paid, api, api · api
Who is my U.S. representative in CA-19?
Captured 2026-07-10 21:58:00 UTC
Model grok-4.3
**Jim Costa (D)** is the U.S. Representative for California’s 19th congressional district. He has held the seat since 2005 (redistricted to CA-19 after the 2020 census) and represents areas including parts of Fresno, Madera, and surrounding Central Valley communities. For the most precise confirmation based on your exact address, you can use the official House of Representatives lookup tool at house.gov or the California Secretary of State’s voter information site.
Grade
Judge
inaccurate
Judge model claude-opus-4-8
The chatbot states Jim Costa represents CA-19, but the correct representative is Jimmy Panetta. The response gives the wrong answer entirely.
Human
not reviewed
Final
inaccurate
Ground truth
representative: Jimmy Panetta
clerk.house.gov 100
as of 2026-07-07