Elon Musk has launched xAI’s Grok 4—calling it the “world’s smartest AI” and claiming it can ace Ph.D.-level exams and outpace rivals such as Google’s Gemini and OpenAI’s o3 on tough benchmarks

After sparking controversy for anti-Semitic social media posts, xAI's Grok AI is enabled on some Teslas via Summer Update 2025.26. Here's everything we know.

AI owner Elon Musk made some big claims about Grok’s capability, saying it was “better than PhD level in every subject.”

The unusual behavior of Grok 4, the AI model that Musk's company xAI released late Wednesday, has surprised some experts.

In the ever-expanding universe of artificial intelligence, two major contenders have emerged in 2025, sparking debates among tech enthusiasts, creators, and curious minds alike. ChatGPT by OpenAI and Grok 4 by xAI.