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 ...