119th Congress · Live
Track every version of every bill.
Bill Trax is the workspace for policy teams, journalists, and advocacy organizations to compare versions, tag topics with AI, and follow amendments — all in one place.
Side-by-side compare
See exactly what changed between House and Senate versions, or year over year. Adds in green, removes in red.
AI topic tagging
Define a topic — "defense spending for Maryland" — and Bill Trax surfaces every matching passage.
Amendments, tracked
Sponsor, party, status, and a preview of how the bill would read if adopted.