OpenAI CEO Sam Altman just posted a sick burn on Elon Musk's new AI.
• "Grok" is xAI's new ChatGPT rival, which puts "humor" into its text output.
• Altman and Musk cofounded OpenAI but later had a falling out.
The frenemyship between OpenAI CEO Sam Altman and Elon Musk just got a little spicier.
Last week, the Tesla CEO announced xAI's new project, "Grok," a ChatGPT rival…