Pre-trial motions in Elon Musk's lawsuit against OpenAI and Microsoft focus in part on his company's business dealings with the Redmond company, and what that means for his credibility as a witness.

OpenAI VP of Research Max Schwarzer departs for rival Anthropic to lead reinforcement learning efforts. Meanwhile, Elon Musk used a decoy Tesla to confuse the media as he strode into federal court in San Francisco on Wednesday.

Elon Musk criticizes OpenAI's safety record in a lawsuit deposition, contrasting it with his xAI venture. He claims ChatGPT is linked to self-harm incidents, while Grok is not. However, a judge dismissed Musk's lawsuit against OpenAI,

OpenAI called the xAI lawsuit "baseless" after a judge dismissed the case, part of Elon Musk's ongoing legal battle with the company.

Musk, the world's richest person, is suing Microsoft-backed OpenAI over its controversial conversion to a for-profit entity. He is seeking a staggering sum of up to $134.5 billion in damages. Jury selection for that blockbuster trial is scheduled for April 27.

In his lawsuit against OpenAI, Musk touted xAI safety compared with ChatGPT. A few months later, xAI's Grok flooded X with non-consensual nude images.

The extended conflict between Elon Musk and OpenAI reached a new level of intensity after a newly released court deposition showed Musk's strong disapproval of ChatGPT and presented new

Elon Musk has promoted the latest Grok 4.20 AI update as uniquely 'non‑woke,' dismissing rivals like ChatGPT, Claude and Gemini as 'weak sauce' and saying his platform gives bold answers.

Elon Musk and an OpenAI engineer engaged in a game of pizza one-upmanship over the weekend as AI companies fight for top recruits.

As arguably the top titan of modern commerce, Elon Musk has owned his fair (or is that unfair?) share of companies over the years.

Grok is built by xAI, Elon Musk’s AI company, and the chatbot is tightly linked to X, the platform Musk owns. xAI’s own materials market “Grok on X” alongside web and mobile access, and Musk has publicly used X to announce product availability changes.