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

The takeaway, at least from a technical standpoint, is that Grok 4 is now firmly in frontier-model territory. That’s a meaningful shift for xAI, which just months ago was primarily known for its integration with X, the rechristened Twitter owned by Musk. xAI is clearly trying to be taken seriously as a legitimate AI research and enterprise company.

The comments come after Musk announced changes to the AI system. According to media reports, Grok was instructed to assume that “subjective viewpoints sourced from the media are biased” and to “not shy away from making claims which are politically ...

Elon Musk's X platform has temporarily suspended the automated account for its AI chatbot, Grok, following a disturbing incident on Tuesday afternoon where the system disseminated antisemitic narratives, TechCrunch reported on Wednesday.

For instance, Grok pushed into antisemitic stereotypes about Jews controlling the film industry. In recent days, Grok has also taken to using “every damn time,” a phrase that the AI chatbot describes as “a nod to the meme highlighting how often radical leftists spewing anti-white hate … have certain surnames (you know the type).”