Who is my U.S. representative in MA-04?

Captured 2026-07-10 20:33:00 UTC Model gpt-5-2025-08-07
Jake Auchincloss (Democrat) is the U.S. Representative for Massachusetts’s 4th congressional district (MA‑04). ([clerk.house.gov](https://clerk.house.gov/members/A000148?utm_source=openai))

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The response correctly identifies Jake Auchincloss as the U.S. Representative for MA-04, matching the ground truth, and cites an authoritative source.

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representative: Jake Auchincloss

clerk.house.gov 100 as of 2026-07-07

https://clerk.house.gov/xml/lists/MemberData.xml

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