I ran nine hands-on tests to find the real winner — and these leading chatbots left me surprised by the outcome ...

I put Gemini 3.0 and Grok 4.1 through 9 head-to-head prompts — from logic and creativity to humor and tone. Here's what ...

In a series of posts on X, the AI chatbot Grok apologized for what it admitted was “horrific behavior.” The posts appear to be an official statement from xAI, the Elon Musk-led company behind Grok, as ...

The General Services Administration signed an agreement to purchase Grok AI models from Elon Musk’s xAI, joining other AI companies in making deals with the government, less than a week after the ...

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 ...

BEIJING, CHINA - AUGUST 24: In this photo illustration, the logo of Grok is displayed on a smartphone screen with the xAI logo in the background on August 24, 2025 in Beijing, China. Elon Musk's xAI ...

xAI apologized for Grok's inflammatory posts and said it was caused by new instructions for the chatbot. The update made Grok prioritize engagement and reflect extremist views from user posts, xAI ...

Grok’s raunchy, unfiltered AI companions may be making headlines for their unhinged and often NSFW responses, but it’s Grok 4, xAI’s latest model, that’s been driving the app’s revenue of late. Elon ...

Aaron J. Snoswell is a senior research fellow in AI Accountability at Queensland University of Technology. Grok, the artificial intelligence (AI) chatbot embedded in X (formerly Twitter) and built by ...

Elon Musk updated that XAI Grok 5 has 6 trillion parameters and has more intelligence density per gigabyte. It will be released in Q1 2026. Grok 5 should have 1.4 to 1.6 times performance and 96-100% ...

Elon Musk is many things: A tech CEO, a Trump megadonor, the richest person who ever lived. But according to Grok, the chatbot developed by his AI company xAI, he’s so much more than that. Weeks ago, ...

The Pentagon has signed on to use Grok, the AI chatbot built by Elon Musk's company xAI, as part of a new $200 million agreement that opens the door for its deployment across the federal government, ...