Grok 4.1 Fast's compelling dev access and Agent Tools API overshadowed by Musk glazing

Elon Musk's frontier generative AI startup xAI formally opened developer access to its Grok 4.1 Fast models last night and introduced a new Agent Tools API—but the technical milestones were imm [...]

Elon Musk leaves DOGE amid tanking Tesla sales

Elon Musk has left his role as the de facto head of the Department of Government Efficiency (DOGE). “As my scheduled time as a Special Government Employee comes to an end, I would like to thank Pres [...]

Elon Musk and xAI are suing Apple and OpenAI because Grok isn't topping the app charts

Elon Musk's artificial intelligence company xAI is suing Apple and OpenAI, as reported by Reuters. The suit accuses the companies of illegally conspiring to stop rival AI companies from getting a [...]

Tech's biggest losers of 2025

It’s the end of another year, so it’s time for the Engadget staff to compile a list of the year’s biggest losers. We scour over articles from the previous 12 months to determine the people, comp [...]

xAI, Elon Musk's AI company, just purchased X, Elon Musk's social media company

Elon Musk's AI company, xAI, has purchased X, according to a post shared by Musk. Besides their similar names and owner, the companies are already connected through xAI's chatbot Grok, which [...]

Elon Musk misled investors during his Twitter takeover, jury finds

A group of former Twitter investors have prevailed at a federal civil trial over Elon Musk's actions amid his $44 billion acquisition of the social platform in 2022. A jury in San Francisco found [...]

xAI accuses OpenAI of stealing its trade secrets in new lawsuit

Elon Musk's xAI is suing OpenAI, alleging that the ChatGPT maker has stolen its trade secrets. The lawsuit comes after the company recently sued a former employee, Xuechen Li, for allegedly steal [...]

I'm not losing sleep over Elon Musk's political ambitions

Just a month after his explosive fallout with Donald Trump, Elon Musk is floating the idea of forming his own political party. In a poll on X, 1.24 million of his followers voted, with 65.4 percent sa [...]

Big Tech bent the knee for Trump in 2025

Sure, we've seen millions poured into lobbying and other means of influence during every presidency, but the last two years set a whole new bar. Business leaders, including those from almost ever [...]