Rhea Purohit in Vibe Check Was this newsletter forwarded to you? Sign up to get it in your inbox. Grok 4 is topping some big AI benchmarks. So why have the responses to it been so mixed? And how come ...

Experts at OpenAI and Anthropic are calling out Elon Musk and xAI for refusing to publish any safety research. In the wake of ...

Elon Musk’s xAI released the long-awaited Grok 4. And from our perspective, it likely marked the moment AI officially shifted into a higher gear. In the span of just a few months, xAI went from Grok 3 ...

Elon Musk’s company xAI has launched a new suite of tools tailored for U.S. government agencies, including offerings designed for healthcare. The product line, called Grok for Government, will provide ...

Grok has reached the number one spot on Japan’s App Store, just days after introducing a new anime-inspired AI companion ...

Internal docs show xAI paid contractors to "hillclimb" Grok's rank on a coding leaderboard above Anthropic's Claude.

xAI’s Grok can’t seem to stay out of the news recently. It’s had its highs, releasing Grok 4, one of the most powerful AI ...

The news comes alongside the U.S. Department of Defense’s announcement of $200 million contracts awarded to xAI, Anthropic, Google and OpenAI for AI implementation.

The stolen API key allows interaction with at least 52 large language AI models (LLMs) that are in development at Musk's xAI, ...

AI safety researchers from OpenAI and Anthropic are criticizing Elon Musk's xAI for "completely irresponsible" safety ...

Grok 4 by xAI was released on July 9, and it's surged ahead of competitors like DeepSeek and Claude at LMArena, a leaderboard ...

AI safety researchers from OpenAI, Anthropic, and other organizations are speaking out publicly against the “reckless” and ...