Elon Musk and Sam Altman cofounded OpenAI, but now they're locked in a legal battle. Here's the history of their working relationship and feud.
Elon Musk clashes with OpenAI's Sam Altman over Stargate AI data centre project
Elon Musk and Sam Altman take to social media to fight over Stargate

OpenAI, Microsoft and Marc Benioff

Microsoft’s relationship with OpenAI cracked when it hired Mustafa Suleyman, rival Marc Benioff says
Salesforce CEO Marc Benioff: Don't think Microsoft will use OpenAI in the future
Salesforce CEO Marc Benioff claims Microsoft won't use OpenAI in the future — Microsoft already admitted GPT-4 is too expensive and isn't fast enough to meet consumer needs
Salesforce CEO Marc Benioff claims Microsoft won't use OpenAI in the future, following the announcement of the $500 billion Stargate project to build AI infrastructure for the ChatGPT maker's cloud computing needs.
Sam Altman has ‘changed his perspective’ on Trump and wishes he hadn’t been a ‘non-playable character’ during previous term
Sam Altman's comments came amid a flurry of online exchanges between himself, Musk, and Microsoft over the $500 billion Stargate Project announced by Trump.
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Why Sam Altman Joined Forces With Larry Ellison and Took a Step Back From Microsoft
As 2024 was drawing to a close, OpenAI CEO Sam Altman faced two major problems. He wasn’t getting enough server capacity from Microsoft, his company’s biggest backer, to stay ahead of rivals developing artificial intelligence.
Altman Tells ChatGPT Fans To Stop The Hype On AGI & Superintelligence
OpenAI CEO Sam Altman is battling rumors surrounding superintelligence and AGI (artificial general intelligence). Is ChatGPT able to perform at human levels - or better?
Clash of titans: Who said what in the spat among Elon Musk, Sam Altman and Satya Nadella
Elon Musk and Sam Altman shared a longstanding feud ever since Musk, who co-founded OpenAI with Altman in 2015, split from the company.
FTC, DOJ backs key allegations in Elon Musk’s antitrust case against Sam Altman’s OpenAI, Reid Hoffman
The feds have sided with Elon Musk on a key pillar of his high-profile antitrust lawsuit against Sam Altman-led OpenAI, Microsoft and billionaire Reid Hoffman, The Post has learned.
Microsoft poised to benefit from Stargate venture, with zero money
When President Donald Trump touted a multibillion-dollar artificial intelligence project led in part by OpenAI, one question sprang to mind: Where's Microsoft?
Trump had phone call with OpenAI's Sam Altman last week about AI infrastructure
President Donald Trump spoke with OpenAI CEO Sam Altman by phone Friday, ahead of the AI infrastructure announcement, CNBC has learned.
Elon Musk and Sam Altman are fighting over major AI project
SIGN UP for TheStreet’s FREE Daily newsletter 💰💸 Elon Musk has never avoided getting into arguments with other high-profile figures. He’s publicly insulted politicians such as Bernie Sanders and Elizabeth Warren and lashed out at X users with opinions he doesn’t share.
Musk clashes with OpenAI CEO Sam Altman over Trump-supported Stargate AI data center project
Elon Musk is clashing with OpenAI CEO Sam Altman over the Stargate artificial intelligence infrastructure project touted by President Donald Trump, the latest in a feud between the two billionaires that started on OpenAI’s board and is now testing
Elon Musk fumes as Trump’s Stargate AI announcement elevates arch-rival Sam Altman
The Stargate project has big implications for U.S. AI leadership, but also for who's winning the new president's ear.