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Sam Altman’s OpenAI is suing Elon Musk just weeks after the billionaire tried to buy it for $97 billion.
The Tesla boss is now facing a lawsuit as OpenAI now claims that Musk made ‘nonstop’ attempts to slow down its business for his own gain.
In the lawsuit that was filed on Wednesday (April 9), the AI firm claims that the world’s richest man used ‘bad faith tactics’ against the company in order for him to control the groundbreaking technology.
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Musk co-founded OpenAI with Altman but left in 2018 after citing a potential conflict of interest with his role at Tesla.
Then last year, Musk sued Altman in an attempt to stop him from changing the not-for-profit firm into a for-profit company, and a trial date has been set for March 2026.
OpenAI is calling for Musk to be stopped from ‘further unlawful and unfair action’ and to be ‘held responsible for the damage he has already caused’.
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The suit continued: “OpenAI is resilient but Musk’s actions have taken a toll. Should his campaign persist, greater harm is threatened — to OpenAI’s ability to govern in service of its mission, to the relationships that are essential to furthering that mission, and to the public interest.”
It added: “Musk’s continued attacks on OpenAI, culminating most recently in [a] fake takeover bid designed to disrupt OpenAI’s future, must cease.”
In a post on X, formerly Twitter, the AI firm wrote: “Elon’s nonstop actions against us are just bad faith tactics to slow down OpenAI and seize control of the leading AI innovations for his personal benefit. Today, we counter-sued to stop him.”

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In another post, it added: “He’s been spreading false information about us. We’re actually getting ready to build the best-equipped nonprofit the world has ever seen – we’re not converting it away.”
Musk’s own lawsuit against OpenAI claims that the firm is abandoning its not-for-profit mission.
The suit stated: “OpenAI Inc has been transformed into a closed-source, de facto subsidiary of the largest technology company in the world: Microsoft.”
Earlier this year, Musk made a public offer to buy OpenAI for $97 billion from Altman.
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However, Altman wasn’t interested, flatly rejecting the offer on X, where he wrote: “No thank you but we will buy twitter for $9.74 billion if you want.”
Musk, who bought Twitter back in 2022 for $44 billion, was quick to fire back, calling Altman a ‘swindler’.