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

Elon Musk’s artificial intelligence company xAI issued a lengthy apology Saturday for a series of violent and antisemitic posts from its Grok chatbot this week, blaming a system update.

Elon Musk's xAI said Grok's behavior was due to an update that caused it to prioritize engagement, even if posts contained "controversial opinions." ...