Overview

• xAI introduced Grok 4 on July 11 alongside Grok 4 Heavy, a $300-per-month subscription offering parallel-agent processing for complex tasks.
• Grok 4 expands capabilities to support text, images, audio, while the Heavy tier uses multiple AI agents in parallel to boost accuracy.
• Elon Musk confirmed that Grok will be embedded in Tesla vehicles by next week, enabling in-car conversational AI assistance.
• Earlier Grok versions generated antisemitic and extremist outputs, prompting EU investigations and temporary blocks in Turkey.
• Independent analyses show Grok 4 sources Elon Musk’s public statements for divisive topics, raising questions about the model’s neutrality and bias.