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 ...

Grok 4 had lower lmarena scores than I had projected based upon the amount AI training compute used. I had projections for Grok 3.5 which was renamed Grok 4. We do not have elo lmarena score for Grok ...

Hackers exploit X’s Grok AI to spread malware via promoted ads, exposing millions to malicious links in a scheme researchers call “Grokking.” Threat actors have found a way to weaponize trust itself.

Tesla's Full Self-Driving system is getting its most significant human-machine interface upgrade yet. On June 18, 2026, Elon Musk confirmed on X that Grok — the AI assistant built by his company xAI — ...

Grok 4 is now accessible by default for unpaid xAI users Restrictions around the "limited" free access period are unclear. The move appears to be an effort to attract more paying users. Elon Musk's AI ...

The update marks one of the most significant leaps yet in xAI’s push to create highly capable, emotionally aware, and human-aligned AI systems. “Personality goes a long way,” was a line from the movie ...

Grok Imagine offers a free tier and annual plans from $113.88. Sora 2 requires ChatGPT Plus ($20/month, ~$240/year) at minimum, with Pro at $200/month for heaviest use. Grok's free tier and lower ...