$USDC The budget, which includes huge tax breaks and more defence spending, was passed by the House of Representatives last month and is now being considered by senators.
Musk urged Americans to call their representatives in Washington to "kill the bill" as he believed it would "cause a recession in the second half of the year".
The tech entrepreneur claimed, without evidence, that Trump appears in unreleased government files linked to the late sex offender Jeffrey Epstein. The White House rubbished those claims.
In response, Trump said Musk had "lost his thanks