The tech leader and his family denied Ann Altman's accusations in a statement that was posted online just as the lawsuit went public.

Sam Altman, the head of OpenAI — the company that created ChatGPT — has been accused by his sister of sexually abusing her while they were both children. Now, he is hitting back at the claims and painting his sister as someone suffering from mental health issues.

Ann Altman filed a lawsuit Monday that alleged her older brother sexually abused her for several years starting when she was 3 years old