Grok 4 is xAI’s most advanced model yet, but early praise is clashing with old scandals and fresh tests of its limits.

Elon Musk on Wednesday unveiled Grok 4, a new version of his X platform's AI chatbot. The update comes a day after the bot ...

Happy Thursday! I’m Andrea Jiménez, the tech bureau’s news aide, announcing some changes to the Tech Brief. The Thursday ...

In a late-night announcement, X owner Elon Musk unveiled the new Grok 4 chatbot. Here's everything you need to know about it.

Elon Musk’s artificial intelligence company is taking down antisemitic comments and other “inappropriate posts” made by its ...

According to xAI's data, Grok 4 and Grok 4 Heavy essentially beat all other models, including OpenAI's o3, Google's Gemini ...

Elon Musk’s artificial intelligence startup xAI is rolling out Grok 4 just months after releasing its previous iteration, ...

Elon Musk's artificial intelligence company took action against its Grok chatbot on Wednesday, removing a post it had made ...

The AI chatbot Grok, which is produced by Elon Musk’s xAI, wrote numerous antisemitic social media posts Tuesday after the ...

We are aware of posts made by Grok and are actively working to remove the inappropriate posts,” Musk's company said.