Pro-artificial intelligence political action committees have poured at least $20 million into a heated Manhattan Democratic primary race, a contest that has become a proxy battle over federal AI regulation. The spending surge positions the outcome as a key signal of voter appetite for industry oversight.

The Manhattan race pits candidates with sharply divergent views on AI policy, reflecting a broader national debate over how aggressively to regulate the rapidly advancing technology. CNBC reports that the primary will serve as a bellwether for where voters stand on the issue.

The $20 million in PAC expenditures, reported by CNBC, marks one of the largest single-issue spending blitzes in a House primary this cycle. The sheer scale of outside money underscores how high the stakes have become for companies seeking to shape AI rules at the federal level.

The winner will inherit a congressional landscape where bipartisan AI legislation remains stalled, making this primary a crucial early test of political viability for candidates aligned with industry interests. The outcome could ripple through other primaries nationwide.

Fortune notes that New York's democratic socialist mayor is also attempting to reshape the city's congressional delegation, adding a layer of ideological complexity to the contests.