President Donald Trump taunted Elon Musk’s new third party as ‘ridiculous’ and said it has been sad to watch his former First Buddy go ‘completely off the rails.’ Trump said Musk’s America Party would ‘never work’ as the world’s richest man carried out his threat to challenge the two-party system. ‘Have fun,’ Trump said in response.

In a lengthy post on his Truth Social account, Trump accused Musk of going ‘completely off the rails.’ ‘I am saddened to watch Elon Musk go completely “off the rails,” essentially becoming a TRAIN WRECK over the past five weeks. He even wants to start a Third Political Party, despite the fact that they have never succeeded in the United States.’

Musk, in retaliation for Trump’s ‘big, beautiful bill,’ officially filed a Statement of Organization on Sunday with the Federal Election Commission for his ‘America Party’ political party. Trump, asked about it, went off on his former ‘first buddy.’ Musk, the world’s richest man, spent millions helping Trump win a second term in the White House.

‘I think it’s ridiculous to start a third party,’ Trump told reporters in New Jersey on his way back to the White House after a weekend at his Bedminster golf club. ‘We have a tremendous success with the Republican Party. The Democrats have lost their way, but it’s always been a two party system, and I think starting a third party just adds to confusion. It really seems to have been developed for two parties. Third parties have never worked, so he can have fun with it, but I think it’s ridiculous.’

Musk quickly, indirectly, responded on social media, asking: ‘What the heck was the point of @DOGE if he’s just going to increase the debt by $5 trillion??’ He then quoted Dune, writing of Trump: ‘Fear is the mind-killer. Fear is the little death that brings total. Obliteration.’

Musk vowed vengeance after Congress passed Trump’s signature legislation to fund the government. The Tesla founder was angry it contained no federal subsidies for electronic vehicles. Musk was furious the legislation added to the country’s debt. During his time at the Department of Government Efficiency, Musk worked to cut the size and scope of the federal government.

But Trump said Musk knew all along he wouldn’t get subsidies. ‘When Elon gave me his total and unquestioned Endorsement, I asked him whether or not he knew that I was going to terminate the EV Mandate – It was in every speech I made, and in every conversation I had. He said he had no problems with that – I was very surprised!,’ he wrote in his Truth post.

As lawmakers debated Trump’s legislation, Musk threatened them repeatedly with primaries and then vowed to start his own political movement. It passed last week and Trump signed it into law on the Fourth of July. And, this weekend, Musk carried out his threat. ‘When it comes to bankrupting our country with waste & graft, we live in a one-party system, not a democracy,’ he wrote Saturday on X. ‘Today, the America Party is formed to give you back your freedom.’