Sarah Perez / TechCrunch:
Appfigures: xAI debuted Grok 4 late on July 9 and by July 11, Grok's gross revenue on iOS had risen 325% to $419K, up from $99K the day before Grok 4's launch — Grok's raunchy, unfiltered AI companions may be making headlines for their unhinged and often NSFW responses, but it's Grok 4 …