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 [...]

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 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 [...]

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 [...]

Musk's xAI launches Grok 4.1 with lower hallucination rate on the web and apps — no API access (for now)

In what appeared to be a bid to soak up some of Google's limelight prior to the launch of its new Gemini 3 flagship AI model — now recorded as the most powerful LLM in the world by multiple ind [...]

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 kept talking about 'white genocide' due to an 'unauthorized modification'

In the early hours of May 14, xAI's chatbot Grok repeatedly gave X users responses that referred to claims about a "white genocide" in South Africa even if their inquiries had nothing t [...]

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 [...]

Musk's xAI launches Grok Business and Enterprise with compelling vault amid ongoing deepfake controversy

xAI has launched Grok Business and Grok Enterprise, positioning its flagship AI assistant as a secure, team-ready platform for organizational use. These new tiers offer scalable access to Grok’s mos [...]