A new scale of humiliation ritual kicked off this week as Elon Musk’s lawsuit against OpenAI went to trial in Silicon Valley. The Tesla CEO, who co-founded OpenAI, is suing the artificial intelligence firm and two of its other co-founders,

In his second day on the stand in the trial he launched against OpenAI, Elon Musk said the AI start-up he'd helped found had strayed from its charitable mission.

Microsoft has invested over $13 billion in OpenAI since 2019 and holds a 27% stake in the company as of late 2025. Microsoft has served as OpenAI's primary cloud provider, licensed its models exclusively,

Elon Musk took the stand for a second day of testimony against OpenAI and its leaders in a lawsuit that could reshape the future of artificial intelligence, as the emerging technology has sent ripples through the economy and financial markets.

OpenAI announced GPT-5.5, its latest AI model that is better at coding, using computers and pursuing deeper research capabilities. The launch comes just weeks after Anthropic unveiled Claude Mythos Preview,

Today, Musk will continue his testimony as the trial continues into its third day. OpenAI maintains that Musk’s lawsuit as an unfounded “harassment campaign,” a power struggle for control. Musk sees himself as a man on a mission to save humanity from the dangers of AI.

The announcement of GPT-5.5-Cyber follows Anthropic’s debut of its own Mythos AI, which the company said has already uncovered thousands of cyber vulnerabilities.

Amazon announced what it called a “major expansion” of its partnership with ChatGPT maker OpenAI on Tuesday, a day after the artificial intelligence company said it was loosening its ties to longtime backer Microsoft.

A dramatic courtroom clash between Elon Musk and Sam Altman briefly turned into a stark warning about AI extinction risk — before the judge shut it down.