OpenAI was co-founded by Musk and Altman in 2015. Musk left OpenAI in 2018 and now alleges that the company has abandoned its founding mission to develop AI for the benefit of humanity, and is therefore in breach of contract. He first launched his suit in early 2024, before dropping it in June and re-filing in August last year.

Musk could not tolerate seeing such success for an enterprise he had abandoned and declared doomed,” read a suit by OpenAI co-founder Sam Altman.