xAI launches Grok 4.3 at an aggressively low price and a new, fast, powerful voice cloning suite

While Elon Musk faces off against his former colleague and OpenAI co-founder Sam Altman in court, Musk's rival firm xAI, founded to take on OpenAI, isn't slowing down on launching competitiv [...]

What you need to know as Elon Musk's lawsuit against Sam Altman begins

In a few short days, jury selection will begin in the long-awaited Musk v. Altman case. At the end of that process, an Oakland federal court will task nine regular people with deciding if OpenAI defra [...]

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 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 [...]

Elon Musk feels Apple favors OpenAI over xAI in App Store rankings

Elon Musk has accused Apple of committing an "unequivocal antitrust violation" by favoring OpenAI in the App Store rankings. In a post on X, he claimed that Apple has made it impossible for [...]

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 [...]

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 [...]

SpaceX's Grok 4.5 launches at half the price of rivals — here's why that could rattle Anthropic and OpenAI

Elon Musk's SpaceX released Grok 4.5 on Wednesday, the first artificial intelligence model the company has trained specifically for coding and autonomous agents — and the first tangible product [...]