Elon Musk sues OpenAI and Sam Altman because they no longer seek the “good of humanity”. Musk's lawyers maintain that, from the moment Microsoft partnered with OpenAI, it changed its objective and focused on making money, which conflicts with its founding contract.

“OpenAI, Inc. has become a de facto closed-source subsidiary of the largest technology company in the world: Microsoft,” reads the lawsuit filed in San Francisco. ChatGPT is one of the most successful applications in history.