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

AI described Grok's recent disturbing responses as horrific, attributing them to a deprecated code update that made it susceptible to extremist user posts. Despite an apology, Grok 4 Heavy identified with the Hitler surname,

Elon Musk’s artificial intelligence startup xAI is rolling out Grok 4 just months after releasing its previous iteration, underscoring the frenetic pace of AI development.