Elon Musk announces Grok 4.5 as a 'faster, lower cost' Opus-level model

Grok 4.5 will be open to the public by Thursday, July 9, according to Elon Musk. Musk stated that the beta program had produced “strong positive feedback” and that the model would ship to the public the next day.  He called it “an Opus-class model, but faster, more token-efficient and lower cost,” a reference to...